Torque Reference Sheet

Metric (SI)

• 1 N·m = 1 newton × 1 meter
• 1 kN·m = 1,000 N·m
• 1 N·cm = 0.01 N·m
• 1 N·mm = 0.001 N·m

Common non-SI units

• 1 lbf·ft ≈ 1.355817948 N·m
• 1 lbf·in ≈ 0.112984829 N·m
• 1 ozf·in ≈ 0.0070615518 N·m
• 1 kgf·m = 9.80665 N·m

Non-SI → SI

• 80 lbf·ft ≈ 108.465 N·m
• 12 lbf·in ≈ 1.3558 N·m
• 20 ozf·in ≈ 0.141231 N·m
• 3 kgf·m = 29.41995 N·m

SI → Non-SI

• 100 N·m ≈ 73.756 lbf·ft
• 10 N·m ≈ 88.507 lbf·in
• 0.5 N·m ≈ 70.88 ozf·in
• 50 N·m ≈ 5.097 kgf·m

Quick benchmarks

• Door handle: ~1–2 N·m
• Small screwdriver: ~0.2–0.5 N·m
• Bicycle crank bolt: ~35–50 N·m
• Wheel lug nut (car): ~90–120 N·m

Table: factors to newton-meter (N·m)