Pound-inches to Kilonewton-meters Converter
Enter the torque in pound-inches below to convert it to kilonewton-meters.
Convert Pound-inches to Kilonewton-meters
Enter a value in pound-inches (lb·in) to convert to kilonewton-meters (kN·m).
Pound-inch to Kilonewton-meter Conversion Table
Table showing various pound-inch measurements converted to kilonewton-meters. Click any preset value or arrow to load it into the converter.
| Pound-inches (lb·in) | Kilonewton-meters (kN·m) |
|---|---|
| 1 lb·in | 0.000112985 kN·m |
| 2 lb·in | 0.00022597 kN·m |
| 2.5 lb·in | 0.000282462 kN·m |
| 5 lb·in | 0.000564924 kN·m |
| 10 lb·in | 0.0011298 kN·m |
| 15 lb·in | 0.0016948 kN·m |
| 20 lb·in | 0.0022597 kN·m |
| 25 lb·in | 0.0028246 kN·m |
| 30 lb·in | 0.0033895 kN·m |
| 50 lb·in | 0.0056492 kN·m |
How to Convert Pound-inches to Kilonewton-meters
To convert pound-inches to kilonewton-meters, multiply the torque by the following conversion ratio: 0.000112985 kilonewton-meters/pound-inch.
Since one pound-inch is equal to 0.000112985 kilonewton-meters, you can use this simple formula to convert:
The torque in kilonewton-meters is equal to the torque in pound-inches multiplied by 0.000112985.
For example, here's how to convert 5 pound-inches to kilonewton-meters using the formula above.
How Many Kilonewton-meters Are in a Pound-inch?
There are 0.000112985 kilonewton-meters in a pound-inch, which is why we use this value in the formula above.
Our pound-inch to kilonewton-meter calculator automatically converts your torque measurements with full decimal and scientific precision across US customary, imperial, and SI metric standards.
Pound-inches and kilonewton-meters are both units used to measure torque. Keep reading to learn more about each unit.
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). [1]
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.
What Is a Kilonewton-meter?
A kilonewton-meter is a unit of torque equal to 1,000 newton-meters (N·m), the base unit for torque. Equal to 1,000 N·m. [2]
The kilonewton-meter is classified as a metric and SI-compatible unit of torque. Kilonewton-meters can be abbreviated as kN·m; for example, 1 kilonewton-meter can be written as 1 kN·m.
In the metric system, "kilo" is the standard SI prefix for thousands, or 10³. This makes the kilonewton-meter (kN·m) a convenient decimal multiple of the newton-meter (N·m).
In practice, kilonewton-meters (kN·m) are widely used across large-scale industrial, bulk, and macro-level torque specifications within SI metric workflows, engineering documentation, and technical data sheets.
When converting torque between pound-inches (lb·in) and kilonewton-meters (kN·m), keep full floating-point precision (1 lb·in = 0.000112985 kN·m; 1 kN·m = 8,850.7457913 lb·in) during intermediate calculations and round only the final kilonewton-meter figure to match your instrument tolerance.
More Pound-inch & Kilonewton-meter Conversions
Need to calculate in the opposite direction? Use our kilonewton-meters to pound-inches calculator to switch your starting unit immediately. You can also explore related tools such as converting kilonewton-meters to pound-inches, converting pound-inches to newton-meters, or converting pound-inches to pound-feet.
Convert from Pound-inches
Frequently Asked Questions
References
- [1]NIST SP 811 StandardNIST SP 811 (NIST SP 811 App. B.9 (Moment of Force & Torque))·Torque Metrology Standard — Pound-inches (lb·in) to Kilonewton-meters (kN·m)
- [2]NIST App. B.8 SpecificationNIST App. B.8 (NIST SP 811 Alphabetical Conversion Factors)·Unit Specifications: Pound-inch (in·lbf) (lb·in) & Kilonewton-meter (kN·m)
- [3]BIPM ReferenceBIPM (Mechanics & Rotational Work (N·m))·Conversion Factors & Mathematical Basis (lb·in to kN·m)