Foot-Pound to Joules Converter

Convert foot-pounds to joules. Accurate energy and torque unit conversion.

100 ft-lb =

135.582 J

Also Equals

135.582

Joules (J)

135.582

Newton-Meters (N·m)

Formula

joules = ft-lb × 1.35582

100 ft-lb × 1.35582 = 135.582 J

Common Conversions

1 ft-lb

= 1.356 J

10 ft-lb

= 13.56 J

100 ft-lb

= 135.58 J

1000 ft-lb

= 1,355.82 J

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Editorial Note

MyCalcBuddy Editorial Team

This page is maintained as an educational calculator reference.

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Formula Source: NIST Guide to SI Units

by National Institute of Standards

🔄Last reviewed: May 2026
✓Formula checks are based on standard references and internal QA review.