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Power and Energy

ft·lbftoWh

Convert foot-pounds force (ft·lbf) to watt-hours (Wh).

Factor1 ft·lbf = 0.0003766161 Wh

Converter

ft·lbf

Accepts numbers or expressions, e.g. 150 + 14.7

Result
0.376616Wh

Rendered to 6 significant figures.

Formula

Formula
Wh = ft·lbf × 0.0003766161

Multiply any value in foot-pounds force by 0.0003766161 to obtain the value in watt-hours.

Worked example

Convert 1000 ft·lbf to Wh.

  1. 01Start with 1000 ft·lbf.
  2. 02Multiply by the conversion factor: 1000 × 0.0003766161 = 0.376616 Wh.
Result1000 ft·lbf = 0.376616 Wh

Conversion table

ft·lbfWh
10.00037662
20.00075323
50.0018831
100.0037662
200.0075323
500.018831
1000.037662
2000.075323
5000.18831
10000.37662

Reference values rounded to 5 significant figures for display.

FAQ

What is the conversion factor from ft·lbf to Wh?
1 ft·lbf equals 0.0003766161 Wh. To convert, multiply the value in foot-pounds force by 0.0003766161.
How do I convert 1 ft·lbf to Wh?
1 ft·lbf = 0.000376616 Wh. For any value, multiply by 0.0003766161.
How do I convert Wh back to ft·lbf?
Divide by the same factor — or equivalently, multiply by 2655.224. So 1 Wh = 2655.22 ft·lbf.
When would I need to convert foot-pound force to watt-hour?
Energy conversions are needed when reconciling fuel/electrical billing, calculating thermal duties, and aligning calorimetry or HHV/LHV figures across data sources.
Is the conversion exact?
The factor shown is precise to at least 7 significant figures. For most process-engineering work this is far better than instrument accuracy. For metrology or trade applications, refer to the relevant national standard (NIST, BIPM, ISO 80000).

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