Foot-pound to Joule Converter

1 ft·lbf = 1.3558 J

On this page
01

FORMULA

1 ft·lbf = 1.3558 J
02

CONVERSION TABLE

Foot-pound (ft·lbf) Joule (J)
1 ft·lbf 1.3558 J
5 ft·lbf 6.7791 J
10 ft·lbf 13.5582 J
25 ft·lbf 33.8954 J
50 ft·lbf 67.7909 J
100 ft·lbf 135.5818 J
250 ft·lbf 338.9545 J
500 ft·lbf 677.909 J
1,000 ft·lbf 1,355.82 J
Joule to Foot-pound
03

COMMON VALUES

1 ft·lbf
= 1.3558 J
2 ft·lbf
= 2.7116 J
3 ft·lbf
= 4.0675 J
5 ft·lbf
= 6.7791 J
10 ft·lbf
= 13.5582 J
15 ft·lbf
= 20.3373 J
20 ft·lbf
= 27.1164 J
25 ft·lbf
= 33.8954 J
30 ft·lbf
= 40.6745 J
50 ft·lbf
= 67.7909 J
75 ft·lbf
= 101.6863 J
100 ft·lbf
= 135.5818 J
04

RELATED CONVERSIONS

Joule → Calorie (thermochemical) Calorie (thermochemical) → Joule Kilocalorie → Joule Joule → Kilocalorie Kilowatt-hour → Joule Joule → Kilowatt-hour British Thermal Unit → Joule Joule → British Thermal Unit Kilocalorie → Kilowatt-hour Kilowatt-hour → Kilocalorie

About Foot-pound (ft·lbf)

The energy exerted by a force of one pound-force through a displacement of one foot, equal to approximately 1.356 joules. Torque wrenches for automotive work are calibrated in foot-pounds, and bullet muzzle energies are commonly listed in foot-pounds to help shooters compare cartridge power.

About Joule (J)

The SI derived unit of energy, one joule equals the work done by a force of one newton moving an object one meter. Named after James Prescott Joule, who demonstrated the mechanical equivalent of heat, the joule is used in physics, chemistry, and engineering for all forms of energy, work, and heat.

How to Convert Foot-pound to Joule

The conversion formula is: 1 ft·lbf = 1.3558 J. To convert from Foot-pound (ft·lbf) to Joule (J), use the formula above or the interactive converter at the top of this page.

Frequently Asked Questions

How many Joule in 1 Foot-pound?

1 Foot-pound (ft·lbf) equals 1.3558 Joule (J).

How to convert Foot-pound to Joule?

Multiply the Foot-pound value by 1.3558 to get the equivalent in Joule. Formula: 1 ft·lbf = 1.3558 J

What is the formula for Foot-pound to Joule conversion?

1 ft·lbf = 1.3558 J

Glossary

Learn More