How many foot-pounds are in one watt-hour?

One watt-hour (Wh) equals approximately 2,655.22 foot-pounds (ft·lbf). This comes from 1 Wh = 3,600 J and 1 ft·lbf = 1.35581795 J, so 3,600 ÷ 1.35581795 ≈ 2,655.22.

A watt-hour (Wh) is a unit of energy equal to the work done by one watt of power sustained for one hour. It is commonly used to measure battery capacity and electricity consumption. 1 Wh = 3,600 joules.

What is a foot-pound (ft·lbf)?

A foot-pound (ft·lbf) is a unit of energy in the US customary system. It equals the energy transferred when a force of one pound-force acts through a distance of one foot. 1 ft·lbf = 1.35581795 J.

How do I convert watt-hours to foot-pounds manually?

Multiply the watt-hour value by 2,655.22. For example, 2 Wh × 2,655.22 = 5,310.44 ft·lbf. To go the other way, divide foot-pounds by 2,655.22 to get watt-hours.

Is foot-pound the same as pound-foot?

The terms foot-pound (ft·lbf) and pound-foot (lb·ft) refer to the same unit size. "Foot-pound" is traditional for energy and work; "pound-foot" is often used for torque in automotive contexts. The conversion factor is identical.

Where is the foot-pound unit commonly used?

Foot-pounds appear frequently in US automotive (engine torque), firearms (muzzle energy), archery (draw energy), and mechanical engineering contexts. Most other countries use joules or newton-meters.

Watt Hours to Foot Pounds Converter

Name: Watt Hours to Foot Pounds Converter
Availability: InStock
Author: Nham Vu

Enter watt-hours or foot-pounds for instant bidirectional energy conversion. Includes a reference table for common values.

Wh ↔ ft·lbf Converter

Watt-Hours (Wh)

⇅

Foot-Pounds (ft·lbf)

ft·lbf

1 Wh = 2,655.22 ft·lbf — 1 ft·lbf = 0.000376616 Wh

Quick Reference Table

Common watt-hour values in foot-pounds (1 Wh = 2,655.22 ft·lbf)

Watt-Hours (Wh)	ft·lbf	Joules (J)

1 Wh = 3,600 J — 1 ft·lbf = 1.35581795 J — 1 Wh = 2,655.2196 ft·lbf

Common real-world references

AA battery (~0.003 Wh): about 8 ft·lbf of stored energy
9mm pistol muzzle energy (~500 J): 0.139 Wh or ~369 ft·lbf
.308 rifle muzzle energy (~3,600 J): 1 Wh or ~2,655 ft·lbf
Smartphone battery (~15 Wh): ~39,828 ft·lbf
EV battery (75 kWh): ~199,141,000 ft·lbf

Summary