Convert torque units: Newton Meters (N·m) ↔ Inch Pounds (in·lbs) — precise for mechanics, engineering, and tool applications.
Select conversion direction:
Torque Conversion Formula:
1 N·m = 8.8507457916 in·lbs | 1 in·lbs = 0.112985 N·m
in·lbs = N·m × 8.8507457916 | N·m = in·lbs × 0.112985 (Results: 3 decimal places)
*Derived from: 1 N = 0.737562 lbf; 1 m = 39.3701 in → 1 N·m = 0.737562×39.3701 ≈ 8.8507457916 in·lbs
International torque standard: engineering, automotive, global manufacturing (SI-derived unit)
Display format:
Quick conversions (common torque values) - click to auto-fill:
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Understanding torque units for engineering, mechanics, automotive, and DIY applications.
| Unit | Symbol | Conversion Factor | Common Uses |
|---|---|---|---|
| Newton Meter | N·m | 1 N·m = 8.8507457916 in·lbs | Global engineering, automotive manufacturing, power tools, industrial machinery, metric-based DIY |
| Inch Pound | in·lbs | 1 in·lbs = 0.112985 N·m | US/UK mechanics, legacy equipment, imperial-based tools, small appliance repairs, hardware specifications |
| Newton Meters (N·m) | ≈ | Inch Pounds (in·lbs) | Application |
|---|---|---|---|
| 0.5 | ≈ | 4.425 | Small electronics screws (phone/laptop repairs) |
| 5 | ≈ | 44.253 | Furniture assembly, light fixture mounting |
| 30 | ≈ | 265.522 | Car wheel lug nuts (light vehicles) |
| 80 | ≈ | 708.060 | Engine components, heavy machinery bolts |
| 200 | ≈ | 1770.149 | Truck/bus wheel nuts, industrial fasteners |
Don’t confuse inch pounds (in·lbs) with foot pounds (ft·lbs) — both are imperial torque units but differ by a factor of 12:
| Unit | To N·m | To in·lbs | Typical Use |
|---|---|---|---|
| Inch Pound (in·lbs) | × 0.112985 | 1 (base) | Small torque applications (electronics, light hardware) |
| Foot Pound (ft·lbs) | × 1.35582 | × 12 | Large torque applications (automotive, construction) |
About torque units and N·m to in·lbs conversions
The factor comes from converting the base units of force and distance:
Precise factor: 1 N·m = 8.85074579161068 in·lbs
Practical use: Round to 3–6 decimals (sufficient for most engineering applications)
The choice depends on region and application type:
Pro tip: Use N·m for torque values above 100 in·lbs (≈11.3 N·m) for readability, and in·lbs for smaller values to avoid decimal N·m.
Foot pounds are for larger torque, with a simple conversion to in·lbs:
1 ft·lbs = 12 in·lbs (since 1 foot = 12 inches)
1 ft·lbs = 1.35582 N·m
1 N·m = 0.737562 ft·lbs
Practical cross-conversion examples:
This converter works seamlessly with ft·lbs: first convert ft·lbs to in·lbs (×12), then to N·m, or vice versa.
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Convert between Newton Meters (N·m) and Inch Pounds (in·lbs) with precision — ideal for engineering, mechanics, and tool use.
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