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Conversion Factors

Acceleration
Acceleration conversions to meters per second squared (m/s).
From Unit

To Unit

Multiply By
centimeters per second squared (cm/s)

(m/s)

1.000 000 E-02
feet per second squared (ft/s)

(m/s)

3.048 000 E-01
g's (gravity)

(m/s)

9.806 650 E+00
inches per second squared (in/s)

(m/s)

2.540 000 E-02
meters per second squared (m/s)

(m/s)

1.000 000 E+00
 
Angle
Angle conversions to degrees ().
From Unit

To Unit

Multiply By
degree ()

()

1.000 000 E+00
grade (gr)

()

9.000 000 E-01
minute (min)

()

1.666 667 E-02
quadrant (quad)

()

9.000 000 E+01
radian (rad)

()

5.729 578 E+01
revolution (rev)

()

3.600 000 E+02
second (s)

()

2.777 778 E-04
 
Angular Acceleration
Angular acceleration conversions to radian per second squared (rad/s).
From Unit

To Unit

Multiply By
radian per second squared (rad/s)

(rad/s)

1.000 000 E+00
revolution per minute second (rev/(min-sec))

(rad/s)

1.047 198 E-01
revolution per minute squared (rev/min)

(rad/s)

1.745 329 E-03
revolution per second squared (rev/s)

(rad/s)

6.283 185 E+00
 
Angular Velocity
Angular velocity conversions to degrees per second (/s).
From Unit

To Unit

Multiply By
degrees per hour (/hr)

(/s)

2.777 778 E-04
degrees per minute (/min)

(/s)

1.666 632 E-02
degrees per second (/s)

(/s)

1.000 000 E+00
radians per second (rad/s)

(/s)

5.729 578 E+01
revolutions per hour (rev/hr, rph)

(/s)

1.000 000 E-01
revolutions per minute (rev/min, rpm)

(/s)

6.000 000 E+00
revolutions per second (rev/s, rps)

(/s)

3.600 000 E+02
 
Area
Area conversions to square centimeters (cm).
From Unit

To Unit

Multiply By
acre (a)

(cm)

4.046 856 E+07
barn (b)

(cm)

1.000 000 E-24
circular mil (c m)

(cm)

5.067 075 E-06
darcy (d)

(cm)

9.869 233 E-09
hectare (ha)

(cm)

1.000 000 E+08
square centimeter (cm)

(cm)

1.000 000 E+00
square foot (ft)

(cm)

9.290 304 E+02
square inch (in)

(cm)

6.451 600 E+00
square kilometer (km)

(cm)

1.000 000 E+10
square meter

(cm)

1.000 000 E+04
square mile (mi)

(cm)

2.589 988 E+10
square millimeter (mm)

(cm)

1.000 000 E-02
square yard (yd)

(cm)

8.361 274 E+03
 
Energy or Work
Energy or work conversions to joule (J).
From Units

To Unit

Multiply By
British thermal unit (international) (BTU int'l)

(J)

1.055 056 E+03
British thermal unit (mean) (BTU mean)

(J)

1.055 870 E+03
British thermal unit (thermodynamic) (BTU thermo)

(J)

1.054 350 E+03
calorie (international) (cal int'l)

(J)

4.186 800 E+00
calorie (mean) (cal mean)

(J)

4.190 200 E+00
calorie (thermodynamic) (cal thermo)

(J)

4.184 000 E+00
electron volt (eV)

(J)

1.602 190 E-19
erg (erg)

(J)

1.000 000 E-07
foot pound force (ft-lbf)

(J)

1.355 818 E+00
foot poundal (ft-pdl)

(J)

4.214 011 E-02
joule (J)

(J)

1.000 000 E+00
kilocalorie (international) (kcal int'l)

(J)

4.186 800 E+03
kilocalorie (mean) (kcal mean)

(J)

4.190 200 E+03
kilocalorie (thermodynamic) (kcal thermo)

(J)

4.184 000 E+03
kilogram calorie (international) (kg-cal int'l)

(J)

4.186 800 E+03
kilogram calorie (mean) (kg-cal mean)

(J)

4.190 200 E+03
kilogram calorie (thermodynamic) (kg-cal thermo)

(J)

4.184 000 E+03
kilowatt hour (kW-h)

(J)

3.600 000 E+06
therms (European)

(J)

1.055 060 E+08
therms (U.S.)

(J)

1.054 804 E+08
ton (nuclear equiv. TNT)

(J)

4.184 000 E+09
watt hour (W-h)

(J)

3.600 000 E+03
watt second (W-s)

(J)

1.000 000 E+00
 
Force
Force conversions to dyne (dyn).
From Units

To Unit

Multiply By
dyne (dyn)

(dyn)

1.000 000 E+00
joules per centimeter (J/cm)

(dyn)

1.000 000 E+07
joules per meter (J/m)

(dyn)

1.000 000 E+05
kilogram force (kgf)

(dyn)

9.806 650 E+05
kilopound (kip)

(dyn)

4.448 222 E+08
newton (N)

(dyn)

1.000 000 E+05
ounce force (ozf)

(dyn)

2.781 250 E+04
pound force (lbf)

(dyn)

4.448 222 E+05
poundal (pdl)

(dyn)

1.382 600 E+04
ton force (tonf)

(dyn)

8.896 443 E+08
 
Length
Length conversions to meters (m).
From Units

To Unit

Multiply By
angstrom ()

(m)

1.000 000 E-10
astronomical unit (au)

(m)

1.500 000 E+11
centimeter (cm)

(m)

1.000 000 E-02
chain

(m)

2.011 680 E+01
fathom (f)

(m)

1.828 804 E+00
fermi (fm)

(m)

1.000 000 E-15
foot (ft)

(m)

3.048 000 E-01
foot (U.S. survey)

(m)

3.048 006 E-01
inch (in)

(m)

2.540 000 E-02
kilometer (km)

(m)

1.000 000 E+03
light year (light yr)

(m)

9.460 550 E+15
meter (m)

(m)

1.000 000 E+00
microinch (in)

(m)

2.540 000 E-08
micron

(m)

1.000 000 E-06
mile (int'l nautical) (nmi int'l)

(m)

1.852 000 E+03
mile (international) (mi int'l)

(m)

1.609 344 E+03
mile (U.S. nautical) (nmi U.S.)

(m)

1.852 000 E+03
mile (U.S. statute) (mi U.S)

(m)

1.609 347 E+03
millimeter (mm)

(m)

1.000 000 E-03
mil

(m)

2.540 000 E-05
parsec

(m)

3.085 678 E+16
pica (printer's) (p)

(m)

4.217 518 E-03
point (printer's) (pt)

(m)

3.514 598 E-04
rod (rd)

(m)

5.029 210 E+00
yard (yd)

(m)

9.144 000 E-01
 
Mass
Mass conversions to kilograms (kg).
From Units

To Unit

Multiply By
atomic mass unit (amu)

(kg)

1.660 540 E-27
carat (ct)

(kg)

2.000 000 E-04
grain

(kg)

6.479 891 E-05
gram (g)

(kg)

1.000 000 E-03
hundredweight (long) (cwt)

(kg)

5.080 235 E+01
hundredweight (short) (cwt)

(kg)

4.535 924 E+01
kilogram (kg)

(kg)

1.000 000 E+00
kilogram force seconds squared per meter (kgf-s/m)

(kg)

9.806 650 E+00
milligram (mg)

(kg)

1.000 000 E-06
ounce (avoirdupois) (oz)

(kg)

2.834 952 E-02
ounce (troy or apothecary) (oz troy)

(kg)

3.110 348 E-02
pennyweight (pwt)

(kg)

1.555 170 E-03
pounds mass (avoirdupois) (lbm)

(kg)

4.535 924 E-01
pounds mass (troy or apothecary) (lbm troy)

(kg)

3.732 418 E-01
slug

(kg)

1.459 390 E+01
stone

(kg)

6.350 293 E+00
ton (assay) (t assay)

(kg)

2.916 670 E-02
ton (long, 2240 lb) (t long)

(kg)

1.016 047 E+03
ton (metric) (t metric)

(kg)

1.000 000 E+03
ton (short, 2000 lb) (t short)

(kg)

9.071 847 E+02
tonne

(kg)

1.000 000 E+03
 
Power
Power conversions to watts (W).
From Units

To Unit

Multiply By
British thermal units (int') per hour (BTU/hr int'l)

(W)

2.930 711 E-01
British thermal units (int') per second (BTU/s int'l)

(W)

1.055 056 E+03
British thermal units (thermo) per hour
(BTU/hr thermo)

(W)

2.928 751 E-01
British thermal units (thermo) per second
(BTU/s thermo)

(W)

1.054 350 E+03
calorie (thermo) per minute (cal/min thermo)

(W)

6.973 333 E-02
calorie (thermo) per second (cal/s thermo)

(W)

4.184 000 E+00
ergs per second (erg/s thermo)

(W)

1.000 000 E-07
foot pounds force per hour (ft-lbf/h)

(W)

3.766 161 E-04
foot pounds force per second (ft-lbf/s)

(W)

1.355 818 E+00
horsepower (550 ft-lb/s)

(W)

7.457 000 E+02
horsepower (hp boiler)

(W)

9.809 500 E+03
horsepower (hp electric)

(W)

7.460 000 E+02
horsepower (hp metric)

(W)

7.354 990 E+02
horsepower (hp water)

(W)

7.460 430 E+02
kilocalories per minute (kcal/min therm)

(W)

6.973 333 E+01
kilocalories per minute (kcal/s therm)

(W)

4.184 000 E+03
ton (refrigeration)

(W)

3.517 000 E+03
watt (W)

(W)

1.000 000 E+00
 
Pressure
Pressure conversions to pascals (Pa).
From Units

To Unit

Multiply By
atmosphere (atm kgf/cm)

(Pa)

9.806 650 E+04
standard atmosphere (atm std)

(Pa)

1.013 250 E+05
bar

(Pa)

1.000 000 E+05
centimeters of mercury (cm Hg 0C)

(Pa)

1.333 220 E+03
centimeters of water (cm water 4C)

(Pa)

9.806 380 E+01
dyne per square centimeter (dyne/cm)

(Pa)

1.000 000 E-01
foot of water (ft water 39.2F)

(Pa)

2.988 980 E+03
grams force per square centimeter (gf/cm)

(Pa)

9.806 650 E+01
inches of mercury (in Hg 32F)

(Pa)

3.386 380 E+03
inches of mercury (in Hg 60F)

(Pa)

3.376 850 E+03
inches of water (in water 39.2F)

(Pa)

2.490 820 E+02
inches of water (in water 60F)

(Pa)

2.488 400 E+02
kilograms force per square centimeter (kgf/cm)

(Pa)

9.806 650 E+04
kilograms force per square meter (kgf/m)

(Pa)

9.806 650 E+00
kilograms force per square millimeter (kgf/mm)

(Pa)

9.806 650 E+06
kilopascals (kPa)

(Pa)

1.000 000 E+03
kilopounds per square inch (kip/in)

(Pa)

6.894 757 E+06
millibar (mbar)

(Pa)

1.000 000 E+02
millimeters of mercury (mm Hg 0C)

(Pa)

1.333 224 E+02
Pascal (Pa)

(Pa)

1.000 000 E+00
poundals per square foot (poundal/ft)

(Pa)

1.488 164 E+00
pounds per square foot (lbf/ft)

(Pa)

4.788 026 E+01
pounds per square inch (lbf/in)

(Pa)

6.894 757 E+03
pounds per square inch (psi)

(Pa)

6.894 757 E+03
torr (mm Hg 0C)

(Pa)

1.333 224 E+02
 
Torque
Torque conversions to newton meters (N m).
From Units

To Unit

Multiply By
dyne centimeter (dyne-cm)

(N m)

1.000 000 E-07
kilogram force meter (kgf-m)

(N m)

9.806 650 E+00
newton meter (N-m)

(N m)

1.000 000 E+00
inch ounce (in-oz)

(N m)

7.061 552 E-03
foot pound (ft-lbf)

(N m)

1.355 818 E+00
inch pound (in-lbf)

(N m)

1.129 848 E-01
 
Velocity
Velocity conversions to meters per second (m/s).
From Units

To Unit

Multiply By
centimeters per hour (cm/hr)

(m/s)

2.780 000 E-06
centimeters per minute (cm/min)

(m/s)

1.666 670 E-04
centimeters per second (cm/s)

(m/s)

1.000 000 E-02
feet per hour (ft/hr)

(m/s)

8.466 667 E-05
feet per minute (ft/min)

(m/s)

5.080 000 E-03
feet per second (ft/s, fps)

(m/s)

3.048 000 E-01
inches per second (in/s)

(m/s)

2.540 000 E-02
kilometers per hour (km/h)

(m/s)

2.777 778 E-01
kilometers per minute (km/min)

(m/s)

1.666 667 E+01
kilometers per second (km/s)

(m/s)

1.000 000 E+03
knot (knot int'l)

(m/s)

5.144 444 E-01
meters per hour (m/h)

(m/s)

2.777 780 E-04
meters per minute (m/min)

(m/s)

1.666 667 E-02
meters per second (m/s)

(m/s)

1.000 000 E+00
miles per hour (mi/h int'l)

(m/s)

4.470 400 E-01
miles per hour (mi/h U.S.)

(m/s)

4.470 408 E-01
miles per minute (mi/min int'l)

(m/s)

2.682 240 E+01
miles per minute (mi/min U.S.)

(m/s)

2.682 245 E+01
miles per second (mi/s int'l)

(m/s)

1.609 344 E+03
miles per second (mi/s U.S.)

(m/s)

1.609 347 E+03
millimeters per hour (mm/h)

(m/s)

2.777 780 E-07
millimeters per minute (mm/min)

(m/s)

1.666 670 E-05
millimeters per second (mm/s)

(m/s)

1.000 000 E-03
 
Volume
Volume conversions to liters (L).
From Units

To Unit

Multiply By
acre foot (a-ft)

(L)

1.233 489 E+06
barrel (oil) (bbl)

(L)

1.589 873 E+02
barrel (US liquid) (bbl)

(L)

1.198 280 E+02
board foot (bd-ft)

(L)

2.359 737 E+00
bushel (bsh)

(L)

3.524 000 E+01
centiliter (cl)

(L)

1.000 000 E-02
cubic centimeter (cc)

(L)

1.000 000 E-03
cubic foot (ft)

(L)

2.832 000 E+01
cubic inch (in)

(L)

1.638 527 E-02
cubic meter (m)

(L)

1.000 000 E+03
cubic millimeter (mm)

(L)

1.000 000 E-06
cubic yard (yd)

(L)

7.646 000 E+02
cup (c)

(L)

2.365 880 E-01
gallon (UK liquid)

(L)

4.545 596 E+00
gallon (US liquid)

(L)

3.785 000 E+00
gallon (US dry)

(L)

4.404 884 E+00
gill (UK)

(L)

1.420 700 E-01
gill (US)

(L)

1.182 941 E-01
liter (L)

(L)

1.000 000 E+00
microliter (l)

(L)

1.000 000 E-06
milliter (ml)

(L)

1.000 000 E-03
ounce (UK fluid)

(L)

2.841 306 E-02

ounce (US fluid)

(L)

2.957 303 E-02
peck (UK)

(L)

9.091 901 E+00
peck (US)

(L)

8.809 768 E+00
pint (US liquid)

(L)

4.731 765 E-01
pint (US dry)

(L)

1.101 221 E+00
quart (US liquid)

(L)

9.463 529 E-01
quart (US dry)

(L)

1.101 221 E+00
stere

(L)

1.000 000 E+03
tablespoon (tbs)

(L)

1.478 676 E-02
teaspoon (tsp)

(L)

4.928 922 E-03
ton (register)

(L)

2.831 685 E+03

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