ft-lb to Nm Converter

Convert Foot-pounds to Newton-meters instantly

Formula:

Nm = ft-lb × 1.355818

1 foot-pound = 1.355818 newton-meters

🔗 Related Energy Converters

kJ → kcal kcal → kJ kcal → cal cal → kcal J → kJ kJ → J cal → J J → cal Nm → ft-lb All Converters

Understanding Foot-pounds to Newton-meters Conversion

Mechanical Energy and Torque Units

Converting foot-pounds (ft-lb) to newton-meters (Nm) bridges the gap between Imperial and SI units for mechanical energy, work, and torque measurements. This conversion is essential in automotive, aerospace, and mechanical engineering applications.

Precise Conversion Formula

Formula: Nm = ft-lb × 1.355818
Reverse: ft-lb = Nm ÷ 1.355818

Common Examples

  • 1 ft-lb = 1.356 Nm
  • 50 ft-lb = 67.79 Nm (typical lug nut torque)
  • 100 ft-lb = 135.58 Nm (common automotive torque)
  • 300 ft-lb = 406.75 Nm (large bolt torque)

Engineering Applications

This conversion is crucial for torque specifications, mechanical work calculations, fastener tightening, engine performance analysis, and international engineering collaboration.

Industry Usage

Foot-pounds (ft-lb)

  • • US automotive industry
  • • American tooling standards
  • • Traditional mechanical specs
  • • Imperial measurement systems

Newton-meters (Nm)

  • • International standards (ISO)
  • • European automotive specs
  • • Scientific measurements
  • • Modern engineering practices