UrbiTools

kgm to Nm Converter

Convert kilogram-metres to newton-metres and back — for the older kgf·m torque figures still printed on European and Japanese specs.

Convert kgm ⇄ N·m

98.0665 N·m
10 kgm = 98.0665 N·m

Formula: 10 kgm (kgm × 9.80665) = 98.0665 N·m

How the kgm to nm conversion works

The conversion is exact: newton-metres = kilogram-metres × 9.80665. A kilogram-metre (more precisely, a kilogram-force metre, kgf·m) is the torque of a one-kilogram weight acting at one metre, and standard gravity is 9.80665 m/s², so 1 kgm = 9.80665 N·m. Going the other way, kgm = N·m ÷ 9.80665.

Why kgm still appears: older Japanese motorcycle manuals and some European specs quote torque in kgm (sometimes written kg-m or kgf·m) instead of N·m. Modern manuals use N·m — this converter translates the old figure. For the imperial side, see Nm to lb-ft.

Worked example: a motorcycle torque spec of 10 kgm is 10 × 9.80665 = 98.07 N·m. And 150 N·m is 150 ÷ 9.80665 = 15.30 kgm.

Handy benchmarks: 1 kgm = 9.81 N·m, 5 kgm = 49.03 N·m, 10 kgm = 98.07 N·m and 20 kgm = 196.13 N·m.

kgm to nm converter questions

How many Nm are in 1 kgm?
Exactly 9.80665 N·m, using standard gravity (9.80665 m/s²).
How do I convert kgm to Nm?
Multiply by 9.80665: N·m = kgm × 9.80665. So 10 kgm is 98.07 N·m.
What does kgm mean in torque specs?
Kgm stands for kilogram-force metre (kgf·m) — the torque produced by a one-kilogram weight acting at a lever arm of one metre. It is an older unit; modern specs use newton-metres instead.
What is 10 kgm in Nm?
98.07 N·m. 10 × 9.80665 = 98.0665, rounded to 98.07 N·m.
How do I convert Nm back to kgm?
Divide by 9.80665: kgm = N·m ÷ 9.80665. Switch the direction above to do it.

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Sources & official guidance

Exact torque conversion — 1 kgm = 9.80665 N·m at standard gravity. See our disclaimer.