Foot-Pounds Force (ft·lbf) to Watt-Hours (Wh) Converter
Enter a value to instantly convert between energy units.
1 Foot-Pound Force = 0.0004 Watt-Hour
Key Formulas
Kilocalorie → Kilojoule
kJ = kcal × 4.184Kilojoule → Kilocalorie
kcal = kJ × 0.239006Kilowatt-Hour → Joule
J = kWh × 3600000Joule → Kilowatt-Hour
kWh = J × 2.77778e-7Formula
Wh = ft·lbf × 0.0003766One foot-pound force equals 0.0003766 watt-hours. Since 1 ft·lbf = 1.356 J and 1 Wh = 3600 J, the conversion is 1.356/3600 = 0.0003766 Wh per ft·lbf. This connects mechanical work to electrical energy.
Source: NIST SP 811, Table B.8
Frequently Asked Questions
Real-World Examples
A mechanical engineer calculating 10,000 ft·lbf of work equals 3.77 Wh for the analysis.
10000 ft·lbf = 3.766 Wh
A fitness app showing 1000 ft·lbf of exercise work converts to 0.377 Wh for the display.
1000 ft·lbf = 0.3766 Wh
A horse pumping 550 ft·lbf per second (1 hp) produces 0.207 Wh/s — about 1242 Wh over 2 hours.
550 ft·lbf = 0.2071 Wh
An industrial press using 100,000 ft·lbf per cycle converts to 37.7 Wh for the energy audit.
100000 ft·lbf = 37.66 Wh