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Quickly and accurately convert between different torque units, including common units like Newton-meters and foot-pounds.
Overview
Understand what the tool solves, how it works, and the boundaries of its data.
Torque, also called moment of force, describes a turning effect. A torque specification can be written in newton-meters (N·m), pound-force feet (lbf·ft), pound-force inches (lbf·in), or other units. The number alone is not enough to compare two specifications: the unit matters.
Enter a value and choose its input unit. The converter uses N·m as a common base, then displays the equivalent in every supported unit: kN·m, N·m, cN·m, mN·m, kgf·m, kgf·cm, lbf·ft, lbf·in, ozf·in, and dyn·cm. Kilogram-force (kgf) is a force unit; kgf·m is torque and should not be confused with kilogram mass.
First, multiply the entered value by its unit’s factor to get N·m. Then divide that base value by the target unit’s factor. For example, 10 lbf·ft is about 13.5582 N·m using the converter’s default four displayed decimal places. NIST lists 1 lbf·ft as 1.355818 N·m.
Results are shown together in metric, gravitational, Imperial, and CGS groups. This makes it easier to compare a manual’s value with a wrench or record that uses another unit.
The precision control changes rounding in the displayed results; choices include 0 through 6, 8, or 10 decimal places. Extra displayed digits do not improve the accuracy of the original measurement or specification. A rounded result may differ in its last digit from a table that uses a different number of significant digits.
Guide
Follow the workflow and verify inputs and outputs with practical examples.
Enter the torque number. If the value is blank or cannot be read as a number, no result is calculated.
Select the unit used by the source specification, such as N·m, lbf·ft, or kgf·m. Keep the original label nearby while checking the conversion.
Choose the number of decimal places that suits your comparison, then find the matching unit in the grouped results.
Copy the target row, or select a result row to make that value and unit the new starting point.
As a quick check, 100 kgf·cm corresponds to 9.80665 N·m, the same base torque as 1 kgf·m. Likewise, lbf·ft and lbf·in are different units because the force arm is measured in feet versus inches.
When converting a maintenance manual or engineering table, preserve the source value and unit alongside the converted number. That makes it easier for someone else to review rounding and catch a mistaken unit selection.
Use cases
See how the tool fits into real work and everyday tasks.
Compare a metric specification with a tool display in pound-force feet or inches while retaining the original unit.
Convert a set of values to a common unit before placing them side by side in a report.
Translate a recorded torque unit for easier reading, then refer back to the equipment maker’s stated value.
Q&A
Find concise answers to common questions and confusing cases.
NIST lists 1 lbf·ft = 1.355818 N·m. The displayed value may be rounded according to the selected precision.
No. The force is paired with a different length unit. Select the exact unit from the specification.
No. kgf·m uses kilogram-force, a force, multiplied by a distance. kg by itself is a unit of mass.
Charts may round to different places. Check the selected display precision and compare the unrounded source factor where needed.
Notes
Review scope, result limitations, and important precautions before use.
This tool converts units; it does not measure torque or recommend a fastener setting. For installation or safety-critical work, follow the equipment maker’s specification and procedure, including any calibration or tightening instructions. Treat rounded display digits as formatting, not added measurement certainty.
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