Our formulas page offers a simple chart to convert units of measurement.

TO CONVERTINTOMULTIPLY BY
 A 
AtmospheresFoot of water (@40 C)33.9
AtmospheresInch of mercury (@40 C)29.92
AtmospheresPounds / square inch14.7
   
TO CONVERTINTOMULTIPLY BY
 B 
BarsAtmospheres0.9869
BarsDynes/square centimeter10,000
BarsKgs/square meter10,200
BarsPounds/square foot2,089
BarsPounds/square inch14.5
BtuFoot-lbs778.3
BtuHorsepower-hours0.0003931
Btu/hourWatts0.2931
Btu/minuteFoot-lbs/second12.96
Btu/ minuteHorsepower0.02356
Btu/ minuteKilowatts0.01757
Btu/ minuteWatts17.57
   
TO CONVERTINTOMULTIPLY BY
 C 
CentimetersInches0.3937
CentimetersMeters0.01
CentimetersMillimeters10
Cubic centimetersCubic feet0.000003531
Cubic centimetersCubic inches0.06102
Cubic centimetersCubic meters0.00001
Cubic centimetersGallons (US)0.002642
Cubic centimetersLiters0.001
Cubic feetCubic inches1728
Cubic feetCubic meters0.02832
Cubic feetGallons (US)7.48052
Cubic feetLiters28.32
Cubic inchesCubic feet0.0005787
Cubic inchesGallons (US)0.004329
Cubic inchesLiters0.01639
Cubic metersCubic feet35.31
Cubic metersCubic inches61,023.00
Cubic metersGallons (US)264.2
Cubic metersLiters1,000.00
   
TO CONVERTINTOMULTIPLY BY
 D 
Degrees (angle)Quadrants0.01111
Degrees (angle)Radians0.01745
Degrees (angle)Seconds3600
Degrees/secondRadians/second0.01745
Degrees/ secondRevolutions/minute0.1667
Degrees/ secondRevolutions/second0.00278
   
TO CONVERTINTOMULTIPLY BY
 F 
FeetCentimeters30.48
FeetKilometers0.0003048
FeetMeters0.3048
Foot- poundsBtu0.001286
Foot- poundsHorsepower-hours0.00000505
Foot- pounds/ minuteBtu/min0.001286
Foot- pounds/ minuteFoot-pounds/second0.01667
Foot- pounds/minuteHorsepower0.0000303
Foot- pounds/ secondBtu/hr4.6263
Foot- pounds/ secondBtu/hr0.07717
Foot- pounds/secondHorsepower0.001818
    
TO CONVERTINTOMULTIPLY BY
  G 
GallonsCubic centimeters3785
GallonsCubic feet0.1337
GallonsCubic inches231
GallonsLiters3.785
Gallons of waterPounds of water8.3453
Gallons/ minuteCubic foot/ second0.002228
Gallons/ minuteLiters/ second0.06308
Gallons/ minuteCubic foot/hour8.0208
   
TO CONVERTINTOMULTIPLY BY
 H 
Horsepower Btu/min42.44
Horsepower Foot-lbs/minute33000
HorsepowerFoot-lps/second 550
Horsepower metric Horsepower0.9863
HorsepowerKilowatts0.7457
HorsepowerWatts 745.7
   
TO CONVERTINTOMULTIPLY BY
 I  
InchesCentimeters2.54
InchesMillimeters25.4
Inches of mercuryFeet of water1.133
Inches of mercury Kgs/square centimeters0.03453
Inches of mercuryKgs/ square meter345.3
Inches of mercuryPounds/ square foot70.73
Inches of mercuryPounds/ square inches0.4912
Pounds/ square inchesFeet of water2.307
Pounds/ square inchesInches of mercury2.036
Pounds/ square inchesKgs/ square meter703.1
Pounds/ square inchesPounds/square foot144
   
TO CONVERTINTOMULTIPLY BY
 R 
RadiansDegrees57.3
RadiansMinutes3438
Radiansquadrants 0.6366
Radians/ secondDegrees/second57.3
Radians/ secondRevolutions/minute9.549
Radians/ secondRevolutions/ second0.1592
Revolutions/ minuteDegrees/ second6
Revolutions/ minuteRadians/ second0.1047
Revolutions/ minuteRevolutions / second0.01667
Revolutions/ secondDegrees/ second360
Revolutions/ secondRadians/ second6.283
Revolutions/ secondRevolutions / minute60
   
TO CONVERTINTOMULTIPLY BY
 S 
Square centimetersSquare inches0.155
Square centimetersSquare meters0.0001
Square feetSquare centimeters929
Square feetSquare inches144
Square inches Square centimeters6.452
Square inchesSquare millimeters645.2
Square metersSquare feet10.76
Square metersSquare inches1550
   
TO CONVERTINTOMULTIPLY BY
 W 
WattsBtu/hour34129
WattsBtu/minute0.05688
WattsFoot-lbs/minute44.27
WattsFoot-lbs/second0.7378
WattsKilowatts0.001