Pound Force Inch to Newton Meter Converter

Convert between pound force inches and newton meters for torque measurements in automotive and mechanical engineering

Pound Force Inch (lbf⋅in)

1 lbf⋅in = 0.112985 N⋅m

Newton Meter (N⋅m)

1 N⋅m = 8.8507 lbf⋅in

Enter a value to see the conversion result

Torque Reference

lbf⋅in	⇔	N⋅m
1 lbf⋅in	⇔	0.113 N⋅m
10 lbf⋅in	⇔	1.13 N⋅m
50 lbf⋅in	⇔	5.65 N⋅m
100 lbf⋅in	⇔	11.30 N⋅m
500 lbf⋅in	⇔	56.49 N⋅m
1,000 lbf⋅in	⇔	112.98 N⋅m

Automotive & Mechanical Torque

Small Fasteners:
• Electronics screws: 1-5 lbf⋅in (0.1-0.6 N⋅m)
• Small bolts: 5-20 lbf⋅in (0.6-2.3 N⋅m)
• Circuit board: 2-8 lbf⋅in (0.2-0.9 N⋅m)
• Instrument panel: 10-30 lbf⋅in (1.1-3.4 N⋅m)

Medium Applications:
• Spark plugs: 100-200 lbf⋅in (11-23 N⋅m)
• Oil drain plug: 200-400 lbf⋅in (23-45 N⋅m)
• Valve cover: 50-150 lbf⋅in (6-17 N⋅m)
• Intake manifold: 100-300 lbf⋅in (11-34 N⋅m)

Large Components:
• Cylinder head: 500-1,500 lbf⋅in (56-169 N⋅m)
• Wheel lugs: 800-1,200 lbf⋅in (90-135 N⋅m)
• Crankshaft: 1,000-2,000 lbf⋅in (113-226 N⋅m)
• Main bearings: 600-1,800 lbf⋅in (68-203 N⋅m)

Torque Units

lbf⋅in: Pound force × inches
N⋅m: Newton × meters
Conversion: 1 lbf⋅in = 0.112985 N⋅m
Definition: Rotational force

Torque Tips

Use proper torque wrench
Follow manufacturer specs
Consider thread condition
Account for lubrication

Applications

Automotive: Engine assembly
Mechanical: Fastener specifications
Manufacturing: Quality control
Maintenance: Proper tightening