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Beauforts wind scale

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Full Conversion Table (sorted by Category)

Category
Unit
Formula
In SI
SI Unit
In CGS
CGS Unit
Acceleration
 acceleration of free fall (g or grav)
9.80665
 m/sec2
 980.665
 cm/sec2
Acceleration
 galileo (Gal or gal)
0.01
 m/sec2
 1.0
 cm/sec2
Angle
 degree angular (° or deg)
 quadrant/90
 0.0174533
 radian(rad)
 0.0174533
 radian(rad)
Angle
 gon or grade (g or grd)
 0.9*degree_angular
 0.015707963267949
 radian(rad)
 0.015707963267949
 radian(rad)
Angle
 minute (' or m)
 1/60*degree_angular
 2.90888208665722E-4
 radian(rad)
 2.90888208665722E-4
 radian(rad)
Angle
 quadrant (quad)
 3.14159265/2
 1.5708
 radian(rad)
 1.5708
 radian(rad)
Angle
 revolution (r )
 360*degree_angular
 6.28319
 radian(rad)
 6.28319
 radian(rad)
Angle
 second (" or s or sec)
 1/60*minute_angular
 4.848136811E-6
 radian(rad)
 4.848136811E-6
 radian(rad)
Area
 acre (ac or A)
4046.86
 m2
 40468600.0
 cm2
Area
 area(a)
100.0
 m2
 1000000.0
 cm2
Area
 hectare (ha)
 10000
 10000.0
 m2
 1.0E+8
 cm2
Area
 square centimeter (cm2)
 cm*cm
 0.0001
 m2
 1.0
 cm2
Area
 square foot (f2)
 f*f
 0.092903
 m2
 929.030
 cm2
Area
 square inch (in2)
0.00064516
 m2
 6.4516
 cm2
Area
 square kilometer (km2)
 km*km
 1.0E+6
 m2
 1.0E+10
 cm2
Area
 square mile (mi2 or sq mi)
 mi*mi
 2589846
 m2
 25898460000.0
 cm2
Area
 square millimeter (mm2)
 mm*mm
 1.0E-6
 m2
 1.0E-2
 cm2
Area
 square yard (y2)
 .8361
 0.8361
 m2
 8361.0
 cm2
Distance_Length
 astronomical unit (ua or au)
 92955807*mile
 149597870691
 m
 14959787069100
 cm
Distance_Length
 caliber (cal)
 0.01*inch
 0.000254
 m
 0.0254
 cm

 


Category
Unit
Formula
In SI
SI Unit
In CGS
CGS Unit
Distance_Length
 centimeter (cm)
 .01
 0.01
 m
 1.0
 cm
Distance_Length
 chain (ch) (Gunther's) (U.K.)
 792*inch
 20.1168
 m
 2011.68
 cm
Distance_Length
 chain (ch) (Ramsden's) (U.S.)
 1200*inch
 30.480
 m
 3048.0
 cm
Distance_Length
 cicero
 corresponds to the pica
 0.00452
 m
 0.452
 cm
Distance_Length
 decimeter (dm)
 .1
 0.1
 m
 10.0
 cm
Distance_Length
 Didot point
 0.013837*inch
 0.0003514598
 m
 0.03514598
 cm
Distance_Length
 fathom (fth or fath)
 6*foot
 1.828804
 m
 182.8804
 cm
Distance_Length
 foot (ft or ')
 .3048
 0.30480
 m
 30.480
 cm
Distance_Length
 furlong (fur)
 mi/8
 201.0
 m
 20100.0
 cm
Distance_Length
 hand
 4*inch
 0.1016
 m
 10.16
 cm
Distance_Length
 inch (in or ")
 .0254
 0.0254
 m
 2.54
 cm
Distance_Length
 kilometer (km)
 1000
 1000.0
 m
 100000.0
 cm
Distance_Length
 light year (ly)
9.46091E+15
 m
 9.46091E+17
 cm
Distance_Length
 line (li)
 1/12*inch
 2.11666666666667E-03
 m
 0.211666666666667
 cm
Distance_Length
 link (for Gunther's chain)
 .01*chain
 0.201168
 m
 20.1168
 cm
Distance_Length
 link (for Ramden's chain)
 .01*chain
 0.201168
 m
 20.1168
 cm
Distance_Length
 meter (m)
1.0
 m
 100.0
 cm
Distance_Length
 micron (µ)
 1E-6
 1.0E-6
 m
 1.0E-4
 cm
Distance_Length
 mil (U.S.) or thou (U.K.)
 0.001*inch
 2.54E-5
 m
 2.54E-3
 cm
Distance_Length
 mile (mi)
 5280*foot
 1609.344
 m
 160934.4
 cm

 


Category
Unit
Formula
In SI
SI Unit
In CGS
CGS Unit
Distance_Length
 millimeter (mm)
 .001
 0.001
 m
 0.1
 cm
Distance_Length
 nanometer (nm)
 1E-9
 1.0E-9
 m
 1.0E-7
 cm
Distance_Length
 nautical mile (nmi or NM)
1852.0
 m
 185200.0
 cm
Distance_Length
 parsec (pc)
 3.084E+15
 3.084E+15
 m
 3.084E+17
 cm
Distance_Length
 pica (pi) or em
 12*point
 0.00421752
 m
 0.421752
 cm
Distance_Length
 point (pt) (British & American)
 inch/72
 0.0003514598
 m
 0.03514598
 cm
Distance_Length
 yard (yd)
 .9144
 0.9144
 m
 91.44
 cm
Electric_charge
 ampere hour (A h)
3600.0
 coulomb(C)
 3600.0
 sec A
Electric_charge
 coulomb (C)
1.0
 coulomb(C)
 1.0
 sec A
Electric_charge
 elementary charge (e)
1.6021776462E-19
 coulomb(C)
 1.6021776462E-19
 sec A
Electric_current
 abampere or biot (Bi)
 10*ampere
 10.0
 A
 1.0
 abampere
Electric_inductance
 abhenry
1.0E-9
 m2*kg/sec2A2(henry,H)
 1.0
 abhenry
Electric_potential
 abvolt
1.0E-8
 J/C(Volt,V)
 1.0
 abvolt
Electric_resistance
 abohm
1.0E-9
 ohm
 1.0
 abohm
Energy
 british thermal unit (Btu) (39 F)
1059.67
 m2*kg/sec2(Joule)
 1.05967E+10
 cm2*g/sec2(erg)
Energy
 british thermal unit (Btu) (59 F)
1054.80
 m2*kg/sec2(Joule)
 1.05480E+10
 cm2*g/sec2(erg)
Energy
 british thermal unit (Btu) (60 F)
1054.68
 m2*kg/sec2(Joule)
 1.05468E+10
 cm2*g/sec2(erg)
Energy
 british thermal unit (Btu) (Int'l Table)
1055.05585262
 m2*kg/sec2(Joule)
 10550558526.2
 cm2*g/sec2(erg)
Energy
 british thermal unit (Btu) (Thermochemical)
1054.35
 m2*kg/sec2(Joule)
 1.05435E+10
 cm2*g/sec2(erg)
Energy
 calorie (cal 15) (15 C)
4.18580
 m2*kg/sec2(Joule)
 4.18580E+7
 cm2*g/sec2(erg)

 


Category
Unit
Formula
In SI
SI Unit
In CGS
CGS Unit
Energy
 calorie (cal 20) (20 C)
4.18190
 m2*kg/sec2(Joule)
 4.18190E+7
 cm2*g/sec2(erg)
Energy
 Calorie (Cal or kcal) (nutrition) (Int'l Table)
4.1868E+03
 m2*kg/sec2(Joule)
 4.1868E+10
 cm2*g/sec2(erg)
Energy
 Calorie (Cal or kcal) (nutrition) (mean)
4.19002E+3
 m2*kg/sec2(Joule)
 4.19002E+10
 cm2*g/sec2(erg)
Energy
 Calorie (Cal or kcal) (nutrition) (Thermochemical)
4.184E+03
 m2*kg/sec2(Joule)
 4.184E+10
 cm2*g/sec2(erg)
Energy
 calorie (cal) (International Table)
4.1868
 m2*kg/sec2(Joule)
 4.1868E+7
 cm2*g/sec2(erg)
Energy
 calorie (cal) (mean)
4.19002
 m2*kg/sec2(Joule)
 4.19002E+7
 cm2*g/sec2(erg)
Energy
 calorie (cal) (Thermochemical)
4.184
 m2*kg/sec2(Joule)
 4.184E+7
 cm2*g/sec2(erg)
Energy
 electronvolt (eV)
1.602176462E-19
 m2*kg/sec2(Joule)
 1.602176462E-12
 cm2*g/sec2(erg)
Energy
 erg
 0.1*microjoule
 1.0E-7
 m2*kg/sec2(Joule)
 1.0
 cm2*g/sec2(erg)
Energy
 kilowatt hour(kW·h)
 3.6E+6
 3600000.0
 m2*kg/sec2(Joule)
 3.6E+13
 cm2*g/sec2(erg)
Finance
 hourly pay (hp)
 1/261/8
 4.78927E-4
 $/sec
 4.78927E-4
 $/sec
Flux_density
 tesla (T)
1.0
 kg/sec2*A(Wb/m2)(T)
 10000.0
 gauss(Gs,G)
Illumination
 lux (lx) (SI)
 lumen/square_foot
 0.0161028
 W/m2
 16.1028
 g/sec3
Luminance
 lambert (Lb or La)
1.61028E+2
 W/m2
 1.61028E+5
 g/sec3
Luminance
 phot (ph)
 10000*lux
 1.0E+4
 W/m2
 1.0E+7
 g/sec3
Luminous_flux
 lumen (lm) (SI)
0.001496
 W
 14960.0
 cm2*g/sec3
Magnetic_field_strength
 oersted (Oe)
7.957747E+1
 A/m
 0.7957747
 A/cm
Magnetic_flux_density
 gauss (G or Gs)
1.0E-4
 tesla(T)
 1.0
 dyn/A*cm(Gs)
Mass_Weight
 carat(ct or c)
 2E-4
 0.0002
 kg
 0.2
 g
Mass_Weight
 dram (avoirdupois)
 ounce/16
 1.7718451953125E-3
 kg
 1.7718451953125
 g

 


Category
Unit
Formula
In SI
SI Unit
In CGS
CGS Unit
Mass_Weight
 dram (dr) (apothecaries)
 ounce_troy/8
 0.00388794
 kg
 3.88794
 g
Mass_Weight
 dyne (dyn)
 10-5*newton
 1.019716213E-6
 kg
 1.019716213E-3
 g
Mass_Weight
 grain (gr)
 648E-7
 6.48E-5
 kg
 0.0648
 g
Mass_Weight
 gram (g)
 .001
 0.001
 kg
 1.0
 g
Mass_Weight
 gram force or gram-weight
 0.0022045*pound
 1.0E-3
 kg
 1.0
 g
Mass_Weight
 hundredweight long (Cwt) (U.K.)
 112*pound
 50.802304
 kg
 50802.304
 g
Mass_Weight
 hundredweight short (Cwt) (U.S.)
 100*pound
 45.3592
 kg
 45359.2
 g
Mass_Weight
 kilogram (kg)
 1
 1.0
 kg
 1000.0
 g
Mass_Weight
 milligram (mg)
 1E-6
 1.0E-6
 kg
 1.0E-3
 g
Mass_Weight
 newton (N)
 105*dyne
 0.1019716213
 kg
 101.9716213
 g
Mass_Weight
 ounce (oz)
0.0283495
 kg
 28.3495
 g
Mass_Weight
 ounce apothecaries (oz)
0.03083
 kg
 30.83
 g
Mass_Weight
 ounce troy (troz)
0.0311035
 kg
 31.1035
 g
Mass_Weight
 pennyweight (dwt or pwt)
 ounce_troy/20
 0.00155518
 kg
 1.55518
 g
Mass_Weight
 pound (lb or #)
 16*ounce
 0.453592
 kg
 453.592
 g
Mass_Weight
 sheet
 pound/700
 0.000647989
 kg
 0.647989
 g
Mass_Weight
 stone (st)
 14*pound
 6.35029318
 kg
 6350.29318
 g
Mass_Weight
 ton long (t or tn)
 1016
 1016.0
 kg
 1016000.0
 g
Mass_Weight
 ton metric (t or tn)
 1000
 1000
 kg
 1000000.0
 g
Mass_Weight
 ton short (t)
 907.2
 907.2
 kg
 907200.0
 g

 


Category
Unit
Formula
In SI
SI Unit
In CGS
CGS Unit
Money
 dollar1970
 4.41799*current_$
 4.41799
 U.S. Dollar
 0.2645503
 Dollar1914
Money
 dollar1971
 4.19598*current_$
 4.19598
 U.S. Dollar
 0.2512563
 Dollar1914
Money
 dollar1972
 4.06326*current_$
 4.06326
 U.S. Dollar
 0.243309
 Dollar1914
Money
 dollar1973
 3.92019*current_$
 3.92019
 U.S. Dollar
 0.2347419
 Dollar1914
Money
 dollar1974
 3.58369*current_$
 3.58369
 U.S. Dollar
 0.2145922
 Dollar1914
Money
 dollar1975
 3.20537*current_$
 3.20537
 U.S. Dollar
 0.1919383
 Dollar1914
Money
 dollar1976
 3.00360*current_$
 3.0036
 U.S. Dollar
 0.1798563
 Dollar1914
Money
 dollar1977
 2.85470*current_$
 2.8547
 U.S. Dollar
 0.1709401
 Dollar1914
Money
 dollar1978
 2.67200*current_$
 2.672
 U.S. Dollar
 0.16
 Dollar1914
Money
 dollar1979
 2.44510*current_$
 2.4451
 U.S. Dollar
 0.1464132
 Dollar1914
Money
 dollar1980
 2.14653*current_$
 2.14653
 U.S. Dollar
 0.1285347
 Dollar1914
Money
 dollar1981
 1.91954*current_$
 1.91954
 U.S. Dollar
 0.1149425
 Dollar1914
Money
 dollar1982
 1.77094*current_$
 1.77094
 U.S. Dollar
 0.1060443
 Dollar1914
Money
 dollar1983
 1.70757*current_$
 1.70757
 U.S. Dollar
 0.1022497
 Dollar1914
Money
 dollar1984
 1.63886*current_$
 1.63886
 U.S. Dollar
 9.813532E-02
 Dollar1914
Money
 dollar1985
 1.58294*current_$
 1.58294
 U.S. Dollar
 9.478682E-02
 Dollar1914
Money
 dollar1986
 1.52372*current_$
 1.52372
 U.S. Dollar
 9.124072E-02
 Dollar1914
Money
 dollar1987
 1.50180*current_$
 1.5018
 U.S. Dollar
 8.992814E-02
 Dollar1914
Money
 dollar1988
 1.44339*current_$
 1.44339
 U.S. Dollar
 8.643053E-02
 Dollar1914
Money
 dollar1989
 1.37903*current_$
 1.37903
 U.S. Dollar
 8.257664E-02
 Dollar1914

 


Category
Unit
Formula
In SI
SI Unit
In CGS
CGS Unit
Money
 dollar1990
 1.31083*current_$
 1.31083
 U.S. Dollar
 7.849281E-02
 Dollar1914
Money
 dollar1991
 1.24071*current_$
 1.24071
 U.S. Dollar
 7.429401E-02
 Dollar1914
Money
 dollar1992
 1.20927*current_$
 1.20927
 U.S. Dollar
 7.241137E-02
 Dollar1914
Money
 dollar1993
 1.17111*current_$
 1.17111
 U.S. Dollar
 7.012635E-02
 Dollar1914
Money
 dollar1994
 1.14227*current_$
 1.14227
 U.S. Dollar
 0.0683994
 Dollar1914
Money
 dollar1995
 1.11111*current_$
 1.11111
 U.S. Dollar
 6.653353E-02
 Dollar1914
Money
 dollar1996
 1.08161*current_$
 1.08161
 U.S. Dollar
 6.476706E-02
 Dollar1914
Money
 dollar1997
 1.04965*current_$
 1.04965
 U.S. Dollar
 6.285328E-02
 Dollar1914
Money
 dollar1998
 1.03342*current_$
 1.03342
 U.S. Dollar
 6.188143E-02
 Dollar1914
Money
 dollar1999
 1.01643*current_$
 1.01643
 U.S. Dollar
 6.086407E-02
 Dollar1914
Percentage
 karat gold (kt)
 1/24
 0.0416667
 1
 4.16667
 %
Percentage
 part per billion (ppb)
 1E-9
 1.0E-9
 1
 1.0E-7
 %
Percentage
 part per million (ppm)
 1E-6
 1.0E-6
 1
 1.0E-4
 %
Percentage
 part per trillion (ppt)
 1E-12
 1.0E-12
 1
 1.0E-10
 %
Percentage
 per mill (roughly, 0/00)
 .001
 1.0E-3
 1
 0.1
 %
Percentage
 percent (% or pct)
 .01
 0.01
 1
 1.0
 %
Percentage
 proof (prf)
 percent*2
 0.02
 1
 2.0
 %
Power
 horsepower US (CV)
745.7
 m2*kg/sec3(Watt)
 7.457E+9
 cm2*g/sec3
Pressure
 atmosphere(atm)
 101325
 101325
 kg/m*sec2(PA)
 1013250.0
 g/cm*sec2
Pressure
 bar (b)
1.0E+5
 kg/m*sec2(PA)
 1.0E+6
 g/cm*sec2

 


Category
Unit
Formula
In SI
SI Unit
In CGS
CGS Unit
Pressure
 centimeter mercury(cmHg)
 atmosphere/76
 1333.0
 kg/m*sec2(PA)
 13330.0
 g/cm*sec2
Pressure
 inch mercury (in Hg)
 .03342*atmosphere
 3386.28
 kg/m*sec2(PA)
 33862.8
 g/cm*sec2
Pressure
 inch of water (in WC)
 .07355*inch_mercury
 249.061
 kg/m*sec2(PA)
 2490.61
 g/cm*sec2
Pressure
 millimeter of mercury (mm Hg)
133.322368421
 kg/m*sec2(PA)
 1333.22368421
 g/cm*sec2
Pressure
 pound per square inch (psi)
6894.75729316836
 kg/m*sec2(PA)
 68947.5729316836
 g/cm*sec2
Radioactivity
 becquerel (Bq)
1.0
 sec-1
 1.0
 sec-1
Radioactivity
 curie (Ci)
 37*gigabecquerel
 3.7E+10
 sec-1
 3.7E+10
 sec-1
Speed
 kilometer per hour (km/h)
0.277778
 m/sec
 27.7778
 cm/sec
Speed
 knot(kn or kt)
 nautical_mile/hour
 0.514444
 m/sec
 51.4444
 cm/sec
Speed
 mach (ma)
331.0
 m/sec
 33100.0
 cm/sec
Speed
 mile per hour (mph)
 mile/hour
 0.447028
 m/sec
 44.7028
 cm/sec
Time_interval
 biweek payroll (bwp)
 10*day_payroll
 288000.0
 sec
 288000.0
 sec
Time_interval
 day payroll(da)
 8*hour
 28800.0
 sec
 28800.0
 sec
Time_interval
 day(d)
 24*hour
 86400.0
 sec
 86400.0
 sec
Time_interval
 hour (hr)
3600.0
 sec
 3600.0
 sec
Time_interval
 month(mo or mon)
 year/12
 2629743.0
 sec
 2629743.0
 sec
Time_interval
 year (a or y or yr)
 365.2422*day
 3.15569E+7
 sec
 3.15569E+7
 sec
Time_interval
 year payroll (yp)
 261*day_payroll
 7516800.0
 sec
 7516800.0
 sec
Time_interval
 year payroll academic (ypa)
 195*day_payroll
 5616000.0
 sec
 5616000.0
 sec
Time_interval
 year short (ye)
 365*day
 31536000.0
 sec
 31536000.0
 sec

 


Category
Unit
Formula
In SI
SI Unit
In CGS
CGS Unit
Time_interval_units
 bi weeks per year (bwpy)
26.1
 units
 26.1
 units
Volume
 barrel dry (bbl)
 7056*I3
 0.115627
 m3
 115627.0
 cm3
Volume
 barrel fluid (bbl)
 31.5*gallon
 0.11924
 m3
 119240.0
 cm3
Volume
 barrel oil (bo)
 42*gallon
 0.158987
 m3
 158987.0
 cm3
Volume
 bushel dry (bu)
0.0352381
 m3
 35238.1
 cm3
Volume
 cord (cd) (USA)
 4feet*8feet*4feet
 3.6247
 m3
 3.6247E+6
 cm3
Volume
 cord foot (cd ft)
 4feet*1foot*4feet
 0.4531
 m3
 453100.0
 cm3
Volume
 cubic centimeter (cm3 or cc)
 cm*cm*cm
 1.0E-6
 m3
 1.0
 cm3
Volume
 cubic foot (f3)
 f*f*f
 0.0283168
 m3
 28316.8
 cm3
Volume
 cubic inch (in3 or cu in)
 inch*inch*inch
 1.63871E-5
 m3
 16.3871
 cm3
Volume
 cubic kilometer (km3)
 km*km*km
 1.0E+9
 m3
 1.0E+15
 cm3
Volume
 cubic millimeter (mm3)
 mm*mm*mm
 1.0E-9
 m3
 1.0E-3
 cm3
Volume
 cup (c )
 8*ounce_fluid
 0.000236587
 m3
 236.587
 cm3
Volume
 dram fluid (dr)
 ounce_fluid/8
 3.69668E-6
 m3
 3.69668
 cm3
Volume
 drop (gtt)
 tsp/60
 8.33333E-8
 m3
 0.0833333
 cm3
Volume
 gallon (gal)
 231*cubic_inch
 0.0037854
 m3
 3785.4
 cm3
Volume
 gallon (gal) (Imperial)
 1.20095 * gallon & 1.03206 * gallon dry
 4.54609E-3
 m3
 4.54609E+3
 cm3
Volume
 gallon dry (gal)
 268.8025*cubic_inch
 0.004404884
 m3
 4404.884
 cm3
Volume
 gill (gi)
 4*ounce_fluid
 1.182941E-04
 m3
 1.182941E+2
 cm3
Volume
 gill (gi) (Imperial)
 5*ounce_fluid
 1.420653E-4
 m3
 1.420653E+2
 cm3

 


Category
Unit
Formula
In SI
SI Unit
In CGS
CGS Unit
Volume
 liter (lt)
0.001
 m3
 1000.0
 cm3
Volume
 ounce fluid (floz)
 gal/4/32
 2.95734E-5
 m3
 29.5734
 cm3
Volume
 ounce_fluid (floz) (Imperial)
 gal/4/32
 2.8413063E-5
 m3
 28.413063
 cm3
Volume
 peck UK (pk)
0.00909219858976
 m3
 9092.19858976
 cm3
Volume
 peck US (pk)
 8*quart_dry
 0.00880969
 m3
 8809.69
 cm3
Volume
 pint (pt)
 4732E-7
 0.0004732
 m3
 473.2
 cm3
Volume
 pint (pt) (Imperial)
0.00056826126
 m3
 568.26126
 cm3
Volume
 pint (pt) (Scotland)
 1.491*imperial_quart
 0.001695
 m3
 1695
 cm3
Volume
 pint dry (pt)
 5506E-7
 0.0005506
 m3
 550.6
 cm3
Volume
 quart (qt) (Imperial)
0.0011365225
 m3
 1136.5225
 cm3
Volume
 quart dry (qt)
 67.2*i3
 0.00110121
 m3
 1101.21
 cm3
Volume
 quart fluid (qt)
 gallon/4
 0.00094635
 m3
 946.35
 cm3
Volume
 stere (st)
1.0
 m3
 1000000.0
 cm3
Volume
 tablespoonful (tbsp)
 .015*liter
 1.5E-5
 m3
 15.0
 cm3
Volume
 teaspoonful (tsp)
 liter/200
 5E-6
 m3
 5.0
 cm3

 

OR

 

SI Units and Conversion Factors

To Convert From To Multiply By

ACCELERATION
feet per second per second centimeters per second per second
meters per second per second		 30.480
0.30480
free fall (standard) meters per second per second 9.8067
kilometers per hour per second centimeters per second per second
feet per second per second
meters per second squared		 27.778
0.9113
0.27778

ANGULAR
circumferences radians 6.283
degrees grade
radians		 1.111
0.017453
degrees per second radians per second
revolutions per minute
revolutions per second		 0.017453
0.16667
0.0027778
minutes radians 0.002909
radians degrees (angular) 57.296
radians per second degrees per second (angular)
revolutions per minute		 57.296
9.549
revolutions per minute degrees per second
radians per second		 6
0.01472
AREA
acres square feet
square meters
hectares		 43560
4046.9
0.40469
circular mils square inches 0.000007854
hectares acres
square feet
square meters		 2.4710
107639
10000
square centimeters square inches 0.1550
square feet acres
square meters		 0.000022956
0.092903
square inches square centimeters 6.4516
square kilometers acres
square miles		 247.10
0.38610
square meters acres
square feet		 0.00024710
10.764
square miles acres
square kilometers		 640
2.590
square yards acres
square meters		 0.00020661
0.83613

CANDLEPOWER
foot candles lumens per square meter 10.764
CAPACITY, DISPLACEMENT
cubic inches per revolution liters per revolution
milliliters per revolution		 0.01639
16.39

DENSITY, MASS/VOLUME
grams per cubic centimeter kilograms per cubic meter
pounds per cubic inch
pounds per cubic foot		 0.001
0.03613
62.427
pounds-mass per cubic foot kilograms per cubic meter 16.018
pounds per cubic foot grams per cubic centimeter
kilograms per cubic meter
pounds per cubic inch		 0.016018
16.018
0.0005787
pounds per cubic inch grams per cubic centimeter
kilograms per cubic meter
newtons per meter		 27.68
27.680
1728
ENERGY AND WORK
British thermal units joules 1055
British thermal units per second watts 1.055
British thermal units per minute horsepower
watts		 0.02358
17.58
British thermal units per hour watts 0.2931
calories British thermal units
foot-pounds
joules
kilogram-meters
watt-hours		 0.0039683
3.088
4.1868
0.4265
0.001163
ergs joules 0.0000001
foot-pounds-force British thermal units
calories
horsepower hours
joules
kilocalories
kilogram-force meters
kilowatt hours		 0.001285
0.3238
0.0000005050
1.3558
0.0003238
0.13825
0.0000003766
horsepower British thermal units per minute
foot-pounds-force per minute
foot-pounds-force per second
kilocalories per minute
kilowatts
horsepower (metric)
watts		 42.43
33000
550
10.69
0.7457
1.0139
745.7
horsepower-boiler British thermal units per horse
kilowatts
pounds of water evaporated per hour at 212°F		 33479
9.8095
34.5
horsepower hours British thermal units
foot-pounds-force
joules
kilocalories
kilogram-force meters
kilowatt hours		 2.545
1980000
2684500
641.5
273200
0.7457
joules British thermal units
calories
foot-pounds-force
watt-hours		 0.0009484
0.2390
0.73756
0.00027778
kilowatts British thermal units per minute
foot-pounds-force per minute
foot-pounds-force per second
horsepower
kilocalories per minute		 56.92
44254
737.6
1.3410
14.34
kilowatt hours British thermal units
foot-pounds-force
horsepower hours
joules
kilocalories
kilograms-force meters		 3413
2655000
1.3410
3.600000
860
367100
pounds-force kilograms-force
newtons		 0.45359
4.4482
tons of refrigeration British thermal units per hour
British thermal units per 24 hours		 12000
288000
watts British thermal units per minute
foot-pounds-force per second
foot-pounds-force per minute
horsepower
joules per second
kilocalories per minute		 0.05691
0.73756
44.254
0.0013410
1.0
0.014340
watt-hours British thermal units
foot-pounds-force
horsepower hours
joules
kilocalories
kilograms-force-meters		 3.413
2665
0.0013410
3600
0.8604
367.10
There are several definitions of the Btu, and the values of applicable and/or equivalent factors
may vary slightly depending on the definition used. For this reason, three or four significant figures
are given on this page, and in most cases provide a value near to most definitions of the Btu.
However, as always in making calculations of high accuracy, one should reference the appropriate
lists and handbooks of standards.

ENERGY/AREA TIME
Btu/cubic feet second watts per square meter 11348
Btu/cubic feet hour watts per square meter 3.1525
FLOW RATE MASS
pounds per minute kilograms per minute 0.4536

FLOW RATE VOLUME
cubic feet per minute cubic centimeters per second
cubic meters per second
cubic meters per hour
liters per second
gallons (US) per second
pounds of water per minute (at 68°F)		 471.9
0.0004719
1.699
0.4719
0.2247
62.32
cubic feet per second cubic meters per second
cubic meters per minute
cubic meters per hour
gallons (US) per minute
gallons (imp) per hour
liters		 0.028317
1.699
101.9
448.8
646315
28.32
cubic meters per hour cubic meters per minute
cubic meters per second
gallons (US) per minute
liters per second		 0.016667
0.00027778
4.4033
0.27778
cubic meters per second cubic meters per hour
gallons (US) per minute		 3600
15850
gallons (US) per minute cubic meters per second
cubic meters per minute
cubic meters per hour
cubic feet per second
cubic feet per hour
liters per second		 0.000063090
0.0037854
0.2771
0.002228
8.021
0.06309
liters per minute cubic feet per second
liters per second
gallons (US) per second
gallons (US) per minute
gallons (imp) per minute		 0.0005885
0.01667
0.004403
0.26418
0.003666
liters per second cubic meters per second
cubic meters per minute
cubic meters per hour
liters per minute
gallons (US) per minute
gallons (imp) per minute		 0.001
0.06
3.600
60
15.85
13.20
pounds of water per minute at 60°F cubic centimeters per second
cubic feet per second
cubic meters per minute
kilograms per second		 7.5667
0.0002675
0.00045398
0.0075599
standard cubic feet per minute cubic meters per hour at STP
liters per second at STP		 1.6957
0.47103
stokes square feet per second
square meters per second		 0.001076
0.0001
tons (short) of water per 24 hours at 60°F cubic feet per hour
cubic meters per hour
gallons (US) per minute
pounds of water per hour		 1.338
0.03789
0.1668
83.333
FORCE
dynes newtons 0.00001
grams-force newtons 0.0098066
kilograms-force newtons
pounds-force		 9.8066
2.2046
kiloponds newtons
kilograms-force
pounds-force
poundals
kips		 9.807
1
2.2046
70.932
0.002205
kips newtons
kilograms-force
pounds-force
poundal
kilopond		 4448
453.6
1000
32174
453.6
grams-force per centimeter newtons per meter
pounds-force per inch		 98.07
0.005600
kilograms-force per meter newtons
pounds-force per foot		 9.8066
0.6721
newtons dynes
kilograms-force
poundals
pounds-force		 100000
0.10197
7.2330
0.2248
poundals newtons 0.13826
pounds-force newtons 4.448

LENGTH
centimeters inches 0.3937
fathoms feet
meters		 6
1.8288
feet centimeters
inches
meters
yards		 30.480
12
0.30480
0.3333
inches centimeters
meters
millimeters
micrometers		 2.540
0.02540
25.40
25.4
kilometers feet
miles		 3280.8
0.62137
meters feet
inches
yards		 3.2808
39.370
1.0936
micrometers meters 0.000001
millimeters inches 0.039370
mills millimeters 0.0254
miles feet
kilometers
meters
yards		 5280
1.6093
1609.3
1760
statute miles kilometers 1.609
yards meters 0.91440
MASS/WEIGHT
drams (avoir) grains
grams
ounces		 27.344
1.7718
0.0625
grains grams
ounces (avoir)		 0.0648
0.0022857
grams grains
ounces (avoir)
pounds (avoir)		 15.432
0.035274
0.0022046
kilograms pounds
tons (short)		 2.2046
0.0011023
metric tons (tonnes) kilograms
pounds		 1000
2204.6
ounces (avoir) drams (avoir)
grains
grams
kilograms
pounds-avoir
tons (long)
metric tons		 16
437.5
28.3495
0.028350
0.06250
0.00002790
0.000028350
pounds (avoir) drams (avoir)
grains
grams
kilograms
ounces (avoir)
metric tons
tons (long)
tons (short)		 256
7000
453.59
0.45359
16
0.00045359
0.00044643
0.0005
tons (long) kilograms
metric tons
pounds-avoir
tons (short)		 1016.0
1.0160
2240
1.120
tons (short) kilograms
pounds-avoir
tons (long)
metric tons		 907.18
2000
0.89286
0.9072
short ton metric ton/tonne 0.9072
POWER
Btu/hour watt 0.2931
Btu/second watt 1055
Horsepower kilowatt 0.746
PRESSURE AND STRESS
atmosphere bars
centimeters of mercury at 32F
feet of water at 68F
inches of mercury at 32F
kilograms-force per square centimeter
kilograms-force per square meter
kilopascals
pounds-force per square inch
tons-force (short) per square foot
torr		 1.01325
76.0
33.96
29.921
1.0332
103322
101.325
14.696
1.0581
760
bars kilopascals 100
centimeters of mercury atmospheres
bars
feet of water at 68°F
inches of water at 68°F
kilograms-force per square centimeter
pounds-force per square inch
torr		 0.013158
0.01333
0.4468
5.362
0.19337
27.85
10
feet of water (at 68°F) atmospheres
bars
inches of mercury (at 0°C)
kilograms-force per square centimeter
kilopascals
pounds-force per square inch
pounds-force per square foot		 0.02945
0.02984
0.8811
0.03042
2.984
0.4328
62.32
inches of mercury at 0°C atmospheres (standard)
bars
feet of water at 68°F
inches of water at 68°F
kilograms-force per square centimeter
kilograms-force per square meter
kilopascals
millimeters of mercury
pounds-force per square foot
pounds-force per square inch		 0.00342
0.033864
1.135
13.62
0.034532
345.32
3.3864
25.40
70.73
0.4912
inches of water at 68°F atmosphere
bars
inches of mercury
kilograms-force per square centimeter
kilopascals
ounces-force per square inch
pounds-force per square foot
pounds-force per square inch		 0.002454
0.002487
0.07342
0.002535
0.2487
0.5770
5.193
0.03606
kilograms-force per square centimeter atmospheres
bars
feet of water at 68°F
inches of mercury at 0°C
kilopascals
pounds-force per square foot
pounds-force per square inch		 0.9678
0.98066
32.87
28.96
98.066
2048
14.223
kilograms-force per square millimeter kilograms-force per square meter
megapascals		 1000000
9.8066
kilograms per square meter pascals 9.807
kilopascals dynes per square centimeter
feet of water at 68°F
inches of mercury at 32°F
inches of water at 68°F
kilograms-force per square centimeter
pascals
pounds-force per square inch		 10000
0.3351
0.2953
4.021
0.010197
1000
0.1450
kips per square inch kilopascals
kilograms-force per square centimeter
bars
pounds per square inch		 6894.8
70.307
68.94
1000
megapascals kilograms-force per square millimeter
kilograms-force per square centimeter
kilopascals
pascals
pounds-force per square inch		 0.10197
10.197
1000
1000000
145.0
millibars pascals 100
millimeters of mercury at 0°C bars
feet of water at 68°F
inches of mercury
inches of water at 68°F
kilograms per square centimeter
pascals
pounds per square inch		 0.0013332
0.004680
0.03937
0.53616
0.0013595
133.32
0.0193368
ounces-force per square inch grams-force per square centimeter
pascals
pounds-force per square inch		 4.395
43.1
0.06250
pascals bars
dynes per square centimeter
grams-force per square centimeter
kilograms-force per square centimeter
kilopascals
newtons per square meter
pounds-force per square inch		 0.00001
10.0
0.010197
0.000010197
0.001
1.0
0.0001450
poise centipoises
pascal-seconds
pound-force-seconds per square foot
pounds per foot-second		 100
0.1000
0.0020886
0.06721
pounds-force per square foot feet of water at 68°F
kilograms-force per square centimeter
kilopascals
pascals
pounds-force per square inch		 0.01605
0.0004882
0.0047880
47.880
0.0069444
pounds-force per square inch atmospheres
feet of water at 68°F
inches of water at 68°F
inches of mercury at 0°F
kilograms force per square centimeter
kilopascals		 0.06805
2.311
27.73
2.036
0.07031
6.8948
pounds per square foot kilograms per square meter 4.8824
pounds per square inch pascals
kilopascals
megapascals		 6895
6.895
0.006895
THERMAL CONDUCTIVITY
Btu . inch . hour . feet2 . °F watt per meter2 °K 0.1442
TORQUE: BENDING MOMENT
pound feet newton meters 1.356
kilogram meters newton meters 9.807
VELOCITY
centimeters per second feet per second
feet per minute
miles per hour
kilometers per hour
meters per minute		 0.03281
1.9685
0.02237
0.03600
0.60000
feet per minute centimeters per second
kilometers per hour
meters per minute
meters per second
miles per hour		 0.5080
0.01829
0.30480
0.00508
0.01136
feet per second centimeters per second
kilometers per hour
meters per minute
meters per second
miles per hour		 30.480
1.097
18.29
0.30480
0.6818
international knots meters per second
miles per hour		 0.5144
1.1516
kilometers per hour centimeters per second
feet per second
feet per minute
international knots
meters per minute
meters per second
miles per hour		 27.778
0.9113
54.68
0.53996
16.667
0.27778
0.6214
kilometers per second miles per minute 37.28
meters per minute centimeters per second
feet per minute
feet per second
kilometers per hour
miles per hour		 1.6667
3.2808
0.05468
0.0600
0.03728
meters per second feet per minute
feet per second
kilometers per hour
kilometers per minute
miles per hour
miles per minute		 196.8
3.281
3.600
0.0600
2.237
0.03728
miles per hour centimeters per second
feet per minute
feet per second
international knots
kilometers per hour
meters per minute		 44.70
88
1.4667
0.8690
1.6093
26.82
VOLUME
acre-feet cubic feet
gallons (US)
cubic meters		 43.560
325851
1233.5
barrels (US liquid) gallons (US) 31.5
barrels (oil) cubic meters
gallons of oil
cubic meters		 0.11924
42
0.15899
cubic centimeters cubic inches
cubic feet
cubic yards
gallons (US)
gallons (imp)
liters		 0.06102
0.000035315
0.000001308
0.0002642
0.00022
0.001
cubic feet cubic centimeters
cubic meters
cubic inches
cubic yards
gallons (US)
gallons (imp)
liters		 28317
0.028317
1728
0.03704
7.4805
6.229
28.32
cubic inches cubic centimeters
cubic feet
cubic meters
cubic yards
gallons (US)
gallons (imp)
liters		 16.387
0.0005787
0.000016387
0.00002143
0.004329
0.03605
0.016387
cubic meters cubic inches
cubic feet
cubic yards
gallons (US)
gallons (imp)
liters		 61024
35.315
1.3080
264.17
219.97
1000
cubic yards cubic centimeters
cubic feet
cubic inches
cubic meters
gallons (US)
gallons (imp)
liters		 764550
27
46.656
0.76455
201.97
168.17
764.55
fluid ounces (US) cubic inches
liters		 1.8046
0.02957
gallons (imp) cubic centimeters
cubic meters
cubic feet
cubic yards
gallons (US)
liters
pounds of water at 62°F		 4546.1
0.0045461
0.16054
0.005946
1.20094
4.5461
10.000
gallons (US) cubic centimeters
cubic meters
cubic inches
cubic feet
cubic yards
pints (liquid)
quarts (liquid)
gallons (imp)
liters
pounds of water at 60°F		 3785.4
0.0037854
231
0.13368
0.0049515
8
4
0.8327
3.7854
8.338
liters cubic centimeters
cubic feet
cubic inches
cubic meters
cubic yards
gallons (US)
gallons (imp)		 1000
0.035315
61.024
0.001
0.001308
0.26418
0.2200
pounds-mass of water at 60°F cubic centimeters
cubic feet
cubic inches
gallons (US)
liters		 454.00
0.01603
27.70
0.11993
0.45398
quarts (dry) cubic centimeters
cubic inches
cubic meters		 1101.2
67.20
0.0011012
quarts (liquid) cubic centimeters
cubic inches
liters		 946.35
57.75
0.94635
WATER HARDNESS
grains per gallon (imp) grams per cubic meter
kilograms per cubic meter
parts per million by weight in water		 14.25
0.01425
14.25
grains per gallon (US) grams per cubic meter
kilograms per cubic meter
parts per million by weight in water
pounds per million gallons		 17.118
0.017118
17.118
142.9
grains per liter grains per US gallon
parts per million by mass weight in water
pounds per cubic foot
pounds per 1000 gallons (US)		 58.417
1000
0.0622427
8.3544
milligrams per liter parts per million 1.0
parts per million by mass grains per gallon (US) at 60°F
grains per gallon (imp) at 62°F
grams per cubic meter at 15°C
milligrams per liter
pounds per million gallons (US) at 60°F		 0.0583
0.0700
0.9991
1.0
8.328

No1 

Beaufort's wind scale

Strength Name M/s Km/h Knots Effect on land Effect on sea
0 Calm 0,0 - 0,2 0 - 1 0 - 1 Smoke rises vertically The sea is mirror smooth
1 Light air 0,3 - 1,5 1 - 5 1 - 3 Smoke shows the direction of the wind -
2 Light breeze 1,6 - 3,3 6 - 11 4 - 6 Wind is felt on the face and leaves rustle in the trees -
3 Gentle breeze 3,4 - 5,4 12 - 19 7 - 10 Wind extends a light flag -
4 Moderate breeze 5,5 - 7,9 20 - 29 11 - 16 Loose paper blows around Fairly frequent whitecaps occur
5 Fresh breeze 8 - 10,7 30 - 38 17 - 21 Small trees sway -
6 Strong breeze 10,8 - 13,8 39 - 50 22 - 27 Wind causes whistling in telephone wires Some spray on the sea surface
7 Moderate gale 13,9 - 17,1 51 - 61 28 - 33 Large trees sway -
8 Fresh gale 17,2 - 20,7 62 - 74 34 - 40 Twigs break from trees Long streaks of foam appear on the ocean
9 Strong gale 20,8 - 24,4 75 - 86 41 - 47 Branches break from trees -
10 Whole gale 24,5 - 28,4 87 - 101 48 - 55 Trees are uprooted The sea takes on a white appearance
11 Storm 28,5 - 32,6 102 - 120 56 - 63 Widespread damage -
12 Hurricane Over 32,6 Over 120 Over 63 Structural damage Storm waves at sea
 

No2

Beaufort Wind Scale

In 1806, Admiral Sir Francis Beaufort devised a simple scale that coastal observers could use to report the state of the sea to the Admiralty. It was officially adopted in 1838.

 
Beaufort Wind Speed Wind Force Sea Surface Near Coast Ships Sea Height Code
Number Knots MPH KPH
State (m)
0 < 1 < 1 < 1 Calm Calm Sea like mirror Calm 0 0 Calm
1 1-3 1-3 1-5 Light air Ripples with the appearance of scales;no foam crests. Fishing smack just has steerage way. Man-of-war with all sails set will just have steerage way. 0 0 Calm
2 4-6 4-7 6-11 Light Breeze Small wavelets; crests of glassy apprearance, not breaking. Wind fills the sails of smacks which then travel at about 1-2 MPH. Man-of-war will sail at 1 to 2 knots. 1 0-0.1 Calm, rippled
3 7-10 8-12 12-19 Gentle Breeze Large wavelets; crests begin to break; scattered whitecaps. Smacks begin to careen and travel about 3-4 MPH. Man-of-war will sail at 3 to 4 knots. 2 0.1-0.5 Smooth
4 11-16 13-18 20-28 Moderate Breeze Small waves, becoming longer; numerous whitecaps. Good working breeze, smacks carry all canvas with good list. Man-of-war sails clean and full at about 5 to 6 knots. 3 0.5-1.25 Slight
5 17-21 19-24 29-38 Fresh Breeze Moderate waves, taking longer form; many whitecaps; some spray. Smacks shorten sail. Man-of-war in chase will just carry royals and courses. 4 1.25-2.5 Moderate
6 22-27 25-31 39-49 Strong Breeze Larger waves forming; whitecaps everywhere; more spray. Smacks have double reef in mainsail; care required when fishing. Man-of-war will have single reefed topsails and top-gallant sails. 5 2.5-4 Rough
7 28-33 32-38 50-61 Near Gale Sea heaps up; white foam from breaking waves begins to blow in streaks. Smacks remain in harbour and those at sea lie-to. Man-of-war will have double-reefed topsails, jib and courses. 6 4-6 Very Rough
8 34-40 39-46 62-74 Gale Moderately high waves of greater length; edges of crests begin to break into spindrift; foam is blown into wellmarked streaks. All smacks make for harbour, if near. Man-of-war will have triple-reefed topsails, jib and courses. 6 4-6 Very Rough
9 41-47 47-54 75-88 Strong Gale High waves; seas begins to roll; dense streaks of foam; spray may reduce visibility. - Man-of-war will have close-reefed topsails and courses. 6 4-6 Very Rough
10 48-55 55-63 89-102 Storm Very high waves with overhanging crests; sea takes white appearance as foam is blown in very dense streaks; rolling is heavy and visibility is reduced. - Man-of-war will scarcely bear close-reefed main-topsail and reefed foresail. 7 6-9 High
11 56-63 64-72 103-117 Violent Storm Exceptionally high waves; sea covered with white foam patches; visibility still more reduced. - Man-of-war will reduce sail to storm-staysails. 8 9-14 Very High
12 >64 >73 >118 Hurricane Air filled with foam; sea completely white with driving spray; visibility still more reduced. - Man-of-war will carry no sails. 9 14 Phenomenal

 

I used pages

http://www.allmeasures.com/table.asp
http://pump.net/thebasics/unitconvfactors.htm

and a scanned manual of a Casio FX990 I think