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Pound-inch to Newton metre

Exact answer: 1 lb·in = 0.112984829028 N·m (exact defined factor)

Pound-inch and Newton metre describe the same quantity from the Torque family but come from different systems of units. The factor is defined exactly. Torque is behind tightening torques, engine data and every bolted joint with a specification.

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From1 lb·in
Result0.112985 N·m
Factor1 lb·in = 0.112984829028 N·m
Source basisBIPM SI Brochure · NIST Guide to SI Appendix B

Examples

011 lb·in = 0.112985 N·m

Example value from the reference table. Internal calculation uses stored factors; display output is rounded.

02Common mistake

Torque is not power. Newton metre and hp/kW answer different questions.

03Base unit: N·m

1 lb·in = 0.112984829028 N·m. Then the value is converted through the base unit N·m into Newton metre.

Table

Pound-inch to Newton metre
Pound-inchNewton metre
10.112985
101.129848
505.649241
10011.298483
50056.492415
1,000112.984829

Formula

1 lb·in = 0.112984829028 N·m. Then the value is converted through the base unit N·m into Newton metre.

Sources

BIPM SI BrochureSI base units, prefixes and official SI context.NIST Guide to SI Appendix BNIST conversion-factor method and non-SI factors.

Related conversions

Newton metre to Pound-footN·m → lb·ftTorquePound-foot to Newton metrelb·ft → N·mTorqueNewton metre to Kilogram-force metreN·m → kgf·mTorqueKilogram-force metre to Newton metrekgf·m → N·mTorque

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Factor origin

Factors come from the stored source family and are not derived from rounded display values.

Rounding rule

UnitCloud keeps calculating with stored factors and rounds only the displayed output by selected precision.

When not to use

Do not use as the sole basis for official, medical, safety-critical or contractual decisions.

Citation

Citation note: UnitCloud, conversion with formula, sources reviewed: September 2026. Torque. Source basis: BIPM SI Brochure · NIST Guide to SI Appendix B.

Common questions

What is the factor for Pound-inch to Newton metre?

1 lb·in = 0.112984829028 N·m

Which formula does Pound-inch to Newton metre use?

1 lb·in = 0.112984829028 N·m. Then the value is converted through the base unit N·m into Newton metre.

What is the most common mistake?

Torque is not power. Newton metre and hp/kW answer different questions.

When should I verify the result?

Do not use as the sole basis for official, medical, safety-critical or contractual decisions.