A foot-pound (ft-lb) is the work done by one pound-force acting through a distance of one foot, commonly used in mechanical and engineering calculations.
Foot-pounds to Watt hours
Convert Foot-pound (ft-lb) to Watt-hour (Wh) instantly with an exact formula, conversion table, and FAQ.
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Convert foot-pounds (ft-lb) to watt hours (Wh) instantly with formula, conversion table, and FAQ.
Context values
Some unit families need one extra value for a physically accurate result.
A watt-hour (Wh) is the energy delivered by one watt of power sustained for one hour, equal to 3,600 joules.
Wh = ft-lb × 0.0003766160968
Results update instantly for Foot-pounds to Watt hours conversions.
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Formula
Wh = ft-lb × 0.0003766160968
ft-lb = Wh × 2655.223737
Conversion table
| 1 ft-lb | 0.000377 Wh |
| 5 ft-lb | 0.001883 Wh |
| 10 ft-lb | 0.003766 Wh |
| 20 ft-lb | 0.007532 Wh |
| 50 ft-lb | 0.018831 Wh |
| 100 ft-lb | 0.037662 Wh |
| 500 ft-lb | 0.188308 Wh |
| 1000 ft-lb | 0.376616 Wh |
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How the formula works
Both foot-pound and watt-hour measure the same physical quantity, so converting between them is a single multiplication. Multiply a value in foot-pounds by 0.0003766160968 to get watt hours. To reverse the conversion, multiply a watt-hour value by 2655.223737 to get back to foot-pounds.
Frequently asked questions
What is Foot-pound (ft-lb)?
A foot-pound (ft-lb) is the work done by one pound-force acting through a distance of one foot, commonly used in mechanical and engineering calculations.
What is Watt-hour (Wh)?
A watt-hour (Wh) is the energy delivered by one watt of power sustained for one hour, equal to 3,600 joules.
How do I convert foot-pounds to watt hours?
Multiply the foot-pound value by 0.0003766160968 to get the equivalent in watt hours. For example, 5 ft-lb × 0.0003766160968 = 0.001883 Wh.
Is this conversion exact?
Yes. Both units are defined against the SI base unit for this dimension, so the factor 0.0003766160968 is an exact, non-rounded value.
Can I convert watt hours back to foot-pounds?
Yes. Divide the watt-hour value by 0.0003766160968, or multiply it by 2655.223737, to get foot-pounds.
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About converting foot-pounds to watt hours
A foot-pound (ft-lb) is the work done by one pound-force acting through a distance of one foot, commonly used in mechanical and engineering calculations. A watt-hour (Wh) is the energy delivered by one watt of power sustained for one hour, equal to 3,600 joules.
Use this calculator to move between foot-pounds and watt hours accurately for homework, engineering, billing, or everyday energy calculations. The Universal Converter uses exact unit factors, so results stay consistent across the site.