Newton-meters to Pound-inches Converter
Enter the torque in newton-meters below to convert it to pound-inches.
Convert Newton-meters to Pound-inches
Enter a value in newton-meters (N·m) to convert to pound-inches (lb·in).
Newton-meter to Pound-inch Conversion Table
Table showing various newton-meter measurements converted to pound-inches. Click any preset value or arrow to load it into the converter.
| Newton-meters (N·m) | Pound-inches (lb·in) |
|---|---|
| 1 N·m | 8.8507458 lb·in |
| 2 N·m | 17.7014916 lb·in |
| 2.5 N·m | 22.1268645 lb·in |
| 5 N·m | 44.253729 lb·in |
| 10 N·m | 88.5074579 lb·in |
| 15 N·m | 132.7611869 lb·in |
| 20 N·m | 177.0149158 lb·in |
| 25 N·m | 221.2686448 lb·in |
| 30 N·m | 265.5223737 lb·in |
| 50 N·m | 442.5372896 lb·in |
How to Convert Newton-meters to Pound-inches
To convert newton-meters to pound-inches, multiply the torque by the following conversion ratio: 8.8507458 pound-inches/newton-meter.
Since one newton-meter is equal to 8.8507458 pound-inches, you can use this simple formula to convert:
The torque in pound-inches is equal to the torque in newton-meters multiplied by 8.8507458.
For example, here's how to convert 5 newton-meters to pound-inches using the formula above.
How Many Pound-inches Are in a Newton-meter?
There are 8.8507458 pound-inches in a newton-meter, which is why we use this value in the formula above.
Our newton-meter to pound-inch calculator automatically converts your torque measurements with full decimal and scientific precision across US customary, imperial, and SI metric standards.
Newton-meters and pound-inches are both units used to measure torque. Keep reading to learn more about each unit.
What Is a Newton-meter?
Coherent SI unit of rotational torque. It serves as a primary reference unit for measuring torque across scientific and practical applications. [1]
The newton-meter is classified as an International System of Units (SI) unit of torque. Newton-meters can be abbreviated as N·m; for example, 1 newton-meter can be written as 1 N·m.
As the primary coherent reference unit for torque in this category, all other torque units are mathematically anchored to the newton-meter (N·m).
In practice, newton-meters (N·m) are widely used across standard torque applications within International System of Units (SI) workflows, engineering documentation, and technical data sheets.
What Is a Pound-inch?
A pound-inch is a unit of torque equal to 0.1129848 newton-meters (N·m), the base unit for torque. 1/12 of a pound-foot (0.112985 N·m). [2]
The pound-inch is classified as a US customary and imperial unit of torque. Pound-inches can be abbreviated as lb·in; for example, 1 pound-inch can be written as 1 lb·in.
When working with pound-inches (lb·in) in formulas or technical specifications, always verify whether your target system uses SI metric, US customary, or British imperial standards.
In practice, pound-inches (lb·in) are widely used across standard torque applications within US customary and imperial workflows, engineering documentation, and technical data sheets.
When converting torque between newton-meters (N·m) and pound-inches (lb·in), keep full floating-point precision (1 N·m = 8.8507458 lb·in; 1 lb·in = 0.1129848 N·m) during intermediate calculations and round only the final pound-inch figure to match your instrument tolerance.
More Newton-meter & Pound-inch Conversions
Need to calculate in the opposite direction? Use our pound-inches to newton-meters converter (lb·in to N·m) to switch your starting unit immediately. You can also explore related tools such as converting pound-feet to pound-inches, converting newton-meters to pound-feet, or converting newton-meters to kgf·m.
Convert from Newton-meters
Frequently Asked Questions
References
- [1]NIST SP 811 StandardNIST SP 811 (NIST SP 811 App. B.9 (Moment of Force & Torque))·Torque Metrology Standard — Newton-meters (N·m) to Pound-inches (lb·in)
- [2]NIST App. B.8 SpecificationNIST App. B.8 (NIST SP 811 Alphabetical Conversion Factors)·Unit Specifications: Newton-meter (N·m) & Pound-inch (in·lbf) (lb·in)
- [3]BIPM ReferenceBIPM (Mechanics & Rotational Work (N·m))·Conversion Factors & Mathematical Basis (N·m to lb·in)