# Kilogram-force meters to Newton-meters (kgf·m to N·m)

> Convert kilogram-force meters to newton-meters: 1 kgf·m = 9.80665 N·m. Exact conversion factor, formula, 22-row table and worked examples, with JSON API and MCP access.

- Page id: `kgf-m-to-newton-meters` · Quantity: Torque (`torque`, base unit Nm) · Tool: `convert_units`
- Canonical page: https://tttkmbb.com/conversion/kgf-m-to-newton-meters · This document: https://tttkmbb.com/conversion/kgf-m-to-newton-meters.md · JSON: https://tttkmbb.com/conversion/kgf-m-to-newton-meters.json (add `?value=` for a result)

## Formula

- `1 kgf·m = 9.80665 N·m`
- `newton-meters = kilogram-force meters × 9.80665`
- Reverse: `kilogram-force meters = newton-meters × 0.1019716213`

The factor follows from the SI definitions of both units (NIST SP 811); values below are rounded to 6 significant figures, the API returns up to 12.

## Worked examples

- 5 kgf·m = 49.0332 N·m
- 12.5 kgf·m = 122.583 N·m
- 100 kgf·m = 980.665 N·m

## Conversion table

| Kilogram-force meters (kgf·m) | Newton-meters (N·m) |
| --- | --- |
| 1 | 9.80665 |
| 2 | 19.6133 |
| 3 | 29.42 |
| 4 | 39.2266 |
| 5 | 49.0332 |
| 6 | 58.8399 |
| 7 | 68.6465 |
| 8 | 78.4532 |
| 9 | 88.2599 |
| 10 | 98.0665 |
| 15 | 147.1 |
| 20 | 196.133 |
| 25 | 245.166 |
| 30 | 294.2 |
| 40 | 392.266 |
| 50 | 490.332 |
| 75 | 735.499 |
| 100 | 980.665 |
| 200 | 1961.33 |
| 250 | 2451.66 |
| 500 | 4903.32 |
| 1000 | 9806.65 |

## API

- `GET https://tttkmbb.com/api/v1/convert?value=5&from_unit=kgf_m&to_unit=Nm` → unified JSON envelope with `result.values.result`, `formula`, `factor`, `sources`, `freshness`
- MCP: server `https://tttkmbb.com/mcp`, tool `convert_units` with `{"value":5,"from_unit":"kgf_m","to_unit":"Nm"}`
- All torque units: https://tttkmbb.com/api/v1/units?quantity=torque · full converter: [Torque Converter](https://tttkmbb.com/conversion/torque.md)
- Authentication: none. Freshness: `static` (fixed conversion factors).

## FAQ

**How many newton-meters are in one kilogram-force meter?**

1 kgf·m = 9.80665 N·m. The factor comes from the SI definitions of both units (NIST SP 811 / BIPM), so it is exact or correct to at least 10 significant figures.

**What is the formula to convert kilogram-force meters to newton-meters?**

Multiply the value in kilogram-force meters by 9.80665: newton-meters = kilogram-force meters × 9.80665. For example, 5 kgf·m = 49.0332 N·m.

**How do I convert newton-meters back to kilogram-force meters?**

Multiply by the inverse factor 0.1019716213 (kilogram-force meters = newton-meters × 0.1019716213), or use the newton-meters-to-kilogram-force meters page.

## Related conversions

- [Newton-meters to kilogram-force meters](https://tttkmbb.com/conversion/newton-meters-to-kgf-m.md) (reverse)
- [Newton-meters to Pound-feet (ft-lb)](https://tttkmbb.com/conversion/newton-meters-to-ft-lbs.md)
- [Pound-feet (ft-lb) to Newton-meters](https://tttkmbb.com/conversion/ft-lbs-to-newton-meters.md)
- [Newton-meters to Pound-inches (in-lb)](https://tttkmbb.com/conversion/newton-meters-to-in-lbs.md)
- [Pound-inches (in-lb) to Newton-meters](https://tttkmbb.com/conversion/in-lbs-to-newton-meters.md)
- [Pound-feet (ft-lb) to Pound-inches (in-lb)](https://tttkmbb.com/conversion/ft-lbs-to-in-lbs.md)
- [Pound-inches (in-lb) to Pound-feet (ft-lb)](https://tttkmbb.com/conversion/in-lbs-to-ft-lbs.md)
- [Kilogram-force meters to Pound-feet (ft-lb)](https://tttkmbb.com/conversion/kgf-m-to-ft-lbs.md)
- [Pound-feet (ft-lb) to Kilogram-force meters](https://tttkmbb.com/conversion/ft-lbs-to-kgf-m.md)

## Data Sources

- NIST Special Publication 811 – Guide for the Use of the International System of Units (SI), Appendix B conversion factors — https://www.nist.gov/pml/special-publication-811 (standard, retrieved 2026-09-24)
- BIPM – The International System of Units (SI Brochure, 9th edition) — https://www.bipm.org/en/publications/si-brochure (standard, retrieved 2026-09-24)
- Wikipedia – Conversion of units — https://en.wikipedia.org/wiki/Conversion_of_units (reference, retrieved 2026-09-24)