Foot Pounds to Kilowatt Hours
Type a value in either box to convert between foot pounds and kilowatt hours. The factor is 3.76616e-07.
| Foot Pounds | Kilowatt Hours |
|---|---|
| 1 ft·lb | 3.76616e-07 kWh |
| 2 ft·lb | 7.53232e-07 kWh |
| 3 ft·lb | 1.12985e-06 kWh |
| 5 ft·lb | 1.88308e-06 kWh |
| 10 ft·lb | 3.76616e-06 kWh |
| 25 ft·lb | 9.4154e-06 kWh |
| 50 ft·lb | 1.88308e-05 kWh |
| 100 ft·lb | 3.76616e-05 kWh |
How to use
- Enter a value in the Foot Pounds field.
- The Kilowatt Hours figure appears immediately — no button to press.
- Typing in the Kilowatt Hours field converts back to Foot Pounds the same way.
- Use the reference table for the values that come up most often.
Foot Pounds to Kilowatt Hours formula
Converting foot pounds to kilowatt hours is a single multiplication by 3.76616097e-07.
kWh = ft·lb × 3.76616097e-07
Why this factor: the foot-pound and the kilowatt-hour are both defined against the joule, so dividing one definition by the other gives 3.76616097e-07 directly. Both definitions are set out in full below.
To go the other way, divide by 3.76616097e-07 — or use the Kilowatt Hours to Foot Pounds converter, which is the same calculation reversed.
Worked example
Start with 2000 ft·lb. Multiply by 3.76616097e-07 to get 0.000753 kWh.
2000 ft·lb × 3.76616097e-07 = 0.000753 kWh
The converter above does this for any value you type, in either direction.
What is a foot-pound?
A foot-pound is the work done by one pound-force acting through one foot.
Definition: About 1.3558179 joules.
Where it is used: US mechanical work and torque figures, fastener specifications, and firearm muzzle energy.
Worth knowing: As a torque unit it is properly 'pound-foot' (lbf·ft); as an energy unit it is 'foot-pound'. The numbers coincide but the quantities differ.
What is a kilowatt-hour?
A kilowatt-hour is the standard billing unit for electricity — one kilowatt drawn for one hour.
Definition: Exactly 3.6 megajoules.
Where it is used: Electricity bills worldwide, solar generation figures, and electric vehicle battery capacity.
Foot Pounds vs Kilowatt Hours
The foot-pound is a US customary unit while the kilowatt-hour is a specialized unit. That is why the factor between them is not a round number: the two systems were defined independently and only later tied together by exact agreement.
Frequently asked questions
How many kilowatt hours are in a foot-pound?
One foot-pound equals 3.76616097e-07 kilowatt hours.
What is the formula to convert foot pounds to kilowatt hours?
Multiply the number of foot pounds by 3.76616097e-07. To reverse it, divide by 3.76616097e-07 instead.
How do I convert kilowatt hours back to foot pounds?
Divide by 3.76616097e-07, which is the same as multiplying by 2655223.74.
How many kilowatt hours are in 10 foot pounds?
10 ft·lb works out to 3.76616e-06 kWh.
Is there anything to watch out for with foot pounds?
As a torque unit it is properly 'pound-foot' (lbf·ft); as an energy unit it is 'foot-pound'. The numbers coincide but the quantities differ.
How is the foot-pound defined?
About 1.3558179 joules.