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To convert from Newton-meter (Nm) to Kilogram-meter (kgm), use the following formula:
Kilogram-meter (kgm)
= 19.806649999787735× Newton-meter (Nm)
= 0.10197162130000000063× Newton-meter (Nm)
Let's convert 5 Newton-meter (Nm) to Kilogram-meter (kgm).
Using the formula:
5 × 0.10197162130000000063 = 0.50985810650000000315
Therefore, 5 Newton-meter (Nm) is equal to 0.50985810650000000315 Kilogram-meter (kgm).
How many newton-meters are in one kilogram-meter? One Kilogram-meter (kgm) contains 9.806649999787735 Newton-meters (Nm) — the inverse of the factor above. Multiplying by 0.10197162130000000063 takes you from newton-meters to kilogram-meters; multiplying by 9.806649999787735 brings you back.
Put in words: one newton-meter equals 0.10197162130000000063 kilogram-meters, so the newton-meter is the smaller unit of this pair. Converting between them never changes the amount of torque being measured — only the size of the unit you count it in.
A newton-meter (N·m) is the SI unit of torque — the twisting force that makes something rotate. One newton-meter is produced when a force of one newton acts at a perpendicular distance of one metre from the axis of rotation.
The distance matters as much as the force. Pushing on a spanner with 20 N at 0.5 m from the bolt gives 10 N·m. The same 20 N applied through a spanner twice as long gives 20 N·m — identical effort, double the turning effect. This is why a breaker bar loosens a bolt that a short wrench cannot.
The distance is always measured perpendicular to the line of the force. Pulling at an angle reduces the effective lever arm and therefore the torque.
Both work out to the same base units (kg·m²/s²), but they describe different things and must never be interchanged:
Standards keep them apart deliberately: energy is written in J, torque in N·m.
| Torque | Typical example |
|---|---|
| 5 N·m | bicycle stem bolt |
| 25 N·m | car spark plug |
| 110 N·m | car wheel nut |
| 400 N·m | family car engine peak |
A kilogram-meter (kgf·m), sometimes written kg·m or kgm, is the torque produced by one kilogram-force acting at one metre from the axis.
Like the kilogram-force it derives from, this unit builds the Earth's gravity into its definition. That made it convenient before SI was standardised — a 1 kg weight hung on a 1 m arm gives exactly 1 kgf·m — but it is deprecated in modern engineering, where N·m is the correct unit.
If a workshop manual gives 11 kgf·m for a wheel nut, that is roughly 108 N·m — a normal modern figure, just written in an older unit.
| From | To | Multiply by |
|---|---|---|
| kgf·m | N·m | 9.80665 |
| kgf·m | lbf·ft | 7.23301 |
| kgf·m | kgf·cm | 100 |
Here are some quick reference conversions from Newton-meter (Nm) to Kilogram-meter (kgm):
| Newton-meters | Kilogram-meters |
|---|---|
| 0.000001 Nm | 1.0197162130000000063× 10-7 kgm |
| 0.001 Nm | 0.00010197162130000000063 kgm |
| 0.1 Nm | 0.010197162130000000063 kgm |
| 1 Nm | 0.10197162130000000063 kgm |
| 2 Nm | 0.20394324260000000126 kgm |
| 3 Nm | 0.30591486390000000189 kgm |
| 4 Nm | 0.40788648520000000252 kgm |
| 5 Nm | 0.50985810650000000315 kgm |
| 6 Nm | 0.61182972780000000378 kgm |
| 7 Nm | 0.71380134910000000441 kgm |
| 8 Nm | 0.81577297040000000504 kgm |
| 9 Nm | 0.91774459170000000567 kgm |
| 10 Nm | 1.0197162130000000063 kgm |
| 20 Nm | 2.0394324260000000126 kgm |
| 30 Nm | 3.0591486390000000189 kgm |
| 40 Nm | 4.0788648520000000252 kgm |
| 50 Nm | 5.0985810650000000315 kgm |
| 100 Nm | 10.197162130000000063 kgm |
| 1000 Nm | 101.97162130000000063 kgm |
| 10000 Nm | 1019.7162130000000063 kgm |
For all Torque converters, choose units using the From/To dropdowns above.