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Energy Conversion Chart
Back to the Glossary
Unit of Measure Multiplied by Yields

British Thermal Units
x 0.2530
= kilogram-calories
x 777.5
= foot-pounds
x 3.927 x 10-4
= horse-power-hours
x 107.5
= kilogram-meters
x 2.928 x 10-4
= kilowatt-hours

BTU Per Minute
x 12.96
= foot-pounds per second
x 0.02356
= horse-power
x 0.01757
= kilowatts

Horsepower
x 17.57
= watts
x 746
= watts
x 0.746
= kilowatts

Kilowatts
x 56.92
= BTUs per minute
x 4.425 x 104
= foot-pounds per minute
x 737.6
= foot-pounds per second
x 1.341
= horse-power
x 14.34
= kilogram-calories per minute
x 103
= watts

Kilowatt-hours
x 3.415
= British thermal units
x 2.655 x 106
= foot-pounds
x 1.341
= horse-power-hours
x 860.5
= kilogram-calories
x 3.671 x 105
= kilogram-meters

Watts
x 0.05692
= BTUs per minute
x 107
= ergs per second
x 44.26
= foot-pounds per minute
x 0.7376
= foot-pounds per second
x 1.341 x 10-3
= horse-power
x 0.01434
= kilogram-calories per minute
x 10-3
= kilowatts

Watt-hours
x 3.415
= BTUs
x 2,655
= foot-pounds
x 1.341 x 10-3
= horsepower-hours
x 0.8605
= kilogram-calories
x 367.1
= kilogram-meters
x 10-3
= kilowatt-hours

Direct conversion in energy should consider relative efficiencies.
 
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