Home › Unit Conversion › Kilograms-force to Newtons
Kilograms-force to Newtons (kgf to N)
Convert kilograms-force to newtons: 1 kgf = 9.80665 N. Exact conversion factor, formula, 22-row table and worked examples, with JSON API and MCP access.
Formula
1 kgf = 9.80665 N
newtons = kilograms-force × 9.80665 — reverse: kilograms-force = newtons × 0.1019716213
The factor is derived from the SI definitions of both units (base unit: N) as listed in NIST SP 811; results on this page are shown to 6 significant figures, the API returns up to 12.
Worked examples
- 5 kgf = 49.0332 N
- 12.5 kgf = 122.583 N
- 100 kgf = 980.665 N
Kilograms-force to newtons conversion table
| Kilograms-force (kgf) | Newtons (N) |
|---|---|
| 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 |
FAQ
How many newtons are in one kilogram-force?
1 kgf = 9.80665 N. 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 kilograms-force to newtons?
Multiply the value in kilograms-force by 9.80665: newtons = kilograms-force × 9.80665. For example, 5 kgf = 49.0332 N.
How do I convert newtons back to kilograms-force?
Multiply by the inverse factor 0.1019716213 (kilograms-force = newtons × 0.1019716213), or use the newtons-to-kilograms-force page.
Related conversions
Machine access
- API:
GET https://tttkmbb.com/api/v1/convert?value=5&from_unit=kgf&to_unit=N - MCP: server
https://tttkmbb.com/mcp, toolconvert_unitswith{"value":5,"from_unit":"kgf","to_unit":"N"} - Markdown: https://tttkmbb.com/conversion/kgf-to-newtons.md · JSON: https://tttkmbb.com/conversion/kgf-to-newtons.json (add
?value=for a result) · Units: /api/v1/units?quantity=force - OpenAPI operationId:
convert_units. Freshness:static. Authentication: none.