Conversion Factors

To ConvertIntoMultiply By
Atmospheres Ft. of Water (at 4°C) 33.90
Atmospheres In. of Mercury (at O°C) 29.92
Atmospheres Pounds/Sq. In. 14.70
BTU Foot-Lbs 778.3
BTU Horsepower-Hrs 3.931 × 10-4
BTU Kilowatt-Hrs 2.928 × 10-4
BTU/Hr Foot-Pounds/Sec 0.2162
BTU/Hr Horsepower 3.929 × 10-4
BTU/Hr Watts 0.2929
BTU/Min Foot-Lbs/Sec 12.96
BTU/Min Horsepower 0.02356
BTU/Min Kilowatts 0.01757
BTU/Min Watts 17.57
BTU/Min Tons of Refrigeration 1/200
BTU/Hr Tons of Refrigeration 1/12,000
BTU/Sq Ft Min Watts/Sq. In 0.1221
BTU/Lb. Air Kilojoules/Kilograrn 2.33
Candle/Sq. In Lamberts 0.4870
cubic feet cubic inches 1,728.0
Cubic Feet Cubic Yards 0.03704
Cubic Feet Gallons (U.S. Liq.) 7.48052
Cubic Feet Pints (U.S. Liq.) 59.84
Cubic Feet Quarts (U.S. Liq.) 29.92
Cubic Feet/Min Gallons/Sec 0.1247
Cubic Feet/Min Pounds of Water/Min 62.43
Cubic Feet/Sec Million Gals/Day 0.646317
Cubic Feet/Sec Gallons/Min 448.831
Cubic Inches Cubic Feet 5.787 × 10-4
Cubic Inches Cubic Yards 2.143 × 10-5
Cubic Inches Gallons 4.329 × 10-3
Cubic Yards Cubic Feet 27.0
Cubic Yards Cubic Inches 46,656.0
Cubic Yards gGllons (U.S. Liq.) 202.0
Cubic Yards Pints (U.S. Liq.) 1,615.9
Cubic Yards Quarts (U.S. Liq.) 807.9
Cubic Yards/Min Cubic Ft/Sec 0.45
Cubic Yards/Min Gallons/Sec 3.367
Degrees (angle) Seconds 3,600.0
Degrees/Sec Revolutions/Min 0.1667
To ConvertIntoMultiply By
Feet of Water Atmospheres 0.0295
Feet of Water In. of Mercury 0.8826
Feet of Water Pounds/Sq. Ft. 62.43
Feet of Water Pounds/Sq. In. 0.4335
Feet/Min Feet/Sec 0.01667
Feet/Min Miles/Hr 0.01136
Feet/Sec Miles/Hr 0.6818
Feet/Sec Miles/Min 0.01136
Foot-Candle Lumen/Sq. Meter 10.764
Foot-Pounds BTU 1.286 × 10-3
Foot-Pounds HP-Hrs 5.050 × 10-7
Foot-Pounds Kilowatt-Hrs 3.766 × 10-7
Foot-Pounds/Min BTU/Min 1.286 × 10-3
Foot-Pounds/Min Foot-Pounds/Sec 0.01667
Foot-Pounds/Min Horsepower 3.030 × 10-5
Foot-Pounds/Min Kilowatts 2.260 × 10-5
Foot-Pounds/Sec BTU/Hr 4.6263
Foot-Pounds/Sec BTU/Min 0.07717
Foot-Pounds/Sec Horsepower 1.818 × 10-3
Foot-Pounds/Sec Kilowatts 1.356 × 10-3
Gallons Cubic Feet 0.1337
Gallons Cubic Inches 231.0
Gallons Cubic Yards 4.951 × 10-3
Gallons Liters 3.785
Gallons (Liq. Br. Imp.) Gallons (U.S.Liq.)  1.20095
Gallons (U.S.) Gallons (Imp.) 0.83267
Gallons of Water Pounds of Water 8.3453
Gallons/Min Cu Ft/Sec 2.228 × 10-3
Gallons/Min Cu Ft/Hr 8.0208
Horsepower BTU/Min 42.44
Horsepower Foot-Lbs/Min 33,000.0
Horsepower Foot-Lbs/Sec 550.0
Horsepower Kilowatts 0.7457
Horsepower Watts 745.7
Horsepower (Boiler) BTU/Hr 33.479
Horsepower (Boiler) Kilowatts 9.803
Horsepower-Hrs BTU 2,547.0
Horsepower-Hrs Foot-Lbs 1.98 × 106
Horsepower-Hrs Kilowatt-Hrs 0.7457