Torque / N·m → lbf·in
Convert Newton meters to Pound-force inches
Convert twisting moments for shafts, fasteners, and drives. Convert Newton meters (N·m) to Pound-force inches (lbf·in). Find the formula, worked examples, unit definitions, and practical guidance below.
Reverse: Pound-force inches to Newton meters →
How to convert newton meters to pound-force inches
Moment equals force times perpendicular distance. Although its dimensions match energy, a moment in N·m is not a quantity of heat or work in joules. Pound values here mean pound-force.
Use x for the value in N·m, b for the intermediate value in N·m, and y for the result in lbf·in.
lbf·in = N·m ÷ 0.11298482902761668
Worked examples
10 N·m ≈ 88.5074579133 lbf·in
Step 1: (10 × 1) ≈ 10 N·m.
Step 2: 10 ÷ 0.112984829028 ≈ 88.5074579133 lbf·in.20 N·m ≈ 177.014915827 lbf·in
Step 1: (20 × 1) ≈ 20 N·m.
Step 2: 20 ÷ 0.112984829028 ≈ 177.014915827 lbf·in.
Results are rounded to 12 significant digits. Converting units does not increase the precision of the original measurement. Very large or small values outside JavaScript’s finite numeric range are rejected.
About Newton meters
Newton meters (N·m) measures torque under the conventions above. The base value in N·m is (x × 1), where x is the numerical value in N·m. Factors shown here are rounded for display; calculations use the stored factor.
About Pound-force inches
Pound-force inches (lbf·in) measures torque under the conventions above. The base value in N·m is (x × 0.112984829028), where x is the numerical value in lbf·in. Factors shown here are rounded for display; calculations use the stored factor.
Definitions and sources
Carry the same physical assumptions into subsequent physics calculations.
Newton meters to pound-force inches reference table
| Newton meters (N·m) | Pound-force inches (lbf·in) |
|---|---|
| 1 | 8.85074579133 |
| 5 | 44.2537289566 |
| 10 | 88.5074579133 |
| 25 | 221.268644783 |
| 50 | 442.537289566 |
| 100 | 885.074579133 |
| 1000 | 8850.74579133 |
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