Home › Unit Conversion › Pound-feet (ft-lb) to Kilogram-force meters
Pound-feet (ft-lb) to Kilogram-force meters (lbf·ft to kgf·m)
Convert pound-feet (ft-lb) to kilogram-force meters: 1 lbf·ft = 0.138255 kgf·m. Exact conversion factor, formula, 22-row table and worked examples, with JSON API and MCP access.
Formula
1 lbf·ft = 0.138255 kgf·m
kilogram-force meters = pound-feet (ft-lb) × 0.1382549544 — reverse: pound-feet (ft-lb) = kilogram-force meters × 7.233013851
The factor is derived from the SI definitions of both units (base unit: Nm) 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 lbf·ft = 0.691275 kgf·m
- 12.5 lbf·ft = 1.72819 kgf·m
- 100 lbf·ft = 13.8255 kgf·m
Pound-feet (ft-lb) to kilogram-force meters conversion table
| Pound-feet (ft-lb) (lbf·ft) | Kilogram-force meters (kgf·m) |
|---|---|
| 1 | 0.138255 |
| 2 | 0.27651 |
| 3 | 0.414765 |
| 4 | 0.55302 |
| 5 | 0.691275 |
| 6 | 0.82953 |
| 7 | 0.967785 |
| 8 | 1.10604 |
| 9 | 1.24429 |
| 10 | 1.38255 |
| 15 | 2.07382 |
| 20 | 2.7651 |
| 25 | 3.45637 |
| 30 | 4.14765 |
| 40 | 5.5302 |
| 50 | 6.91275 |
| 75 | 10.3691 |
| 100 | 13.8255 |
| 200 | 27.651 |
| 250 | 34.5637 |
| 500 | 69.1275 |
| 1000 | 138.255 |
FAQ
How many kilogram-force meters are in one pound-foot?
1 lbf·ft = 0.138255 kgf·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 pound-feet (ft-lb) to kilogram-force meters?
Multiply the value in pound-feet (ft-lb) by 0.1382549544: kilogram-force meters = pound-feet (ft-lb) × 0.1382549544. For example, 5 lbf·ft = 0.691275 kgf·m.
How do I convert kilogram-force meters back to pound-feet (ft-lb)?
Multiply by the inverse factor 7.233013851 (pound-feet (ft-lb) = kilogram-force meters × 7.233013851), or use the kilogram-force meters-to-pound-feet (ft-lb) page.
Related conversions
- Kilogram-force meters to pound-feet (ft-lb) (reverse)
- Torque Converter — all torque units in one tool
- Newton-meters to Pound-feet (ft-lb)
- Pound-feet (ft-lb) to Newton-meters
- Newton-meters to Pound-inches (in-lb)
- Pound-inches (in-lb) to Newton-meters
- Newton-meters to Kilogram-force meters
- Kilogram-force meters to Newton-meters
- Pound-feet (ft-lb) to Pound-inches (in-lb)
- Pound-inches (in-lb) to Pound-feet (ft-lb)
Machine access
- API:
GET https://tttkmbb.com/api/v1/convert?value=5&from_unit=lbf_ft&to_unit=kgf_m - MCP: server
https://tttkmbb.com/mcp, toolconvert_unitswith{"value":5,"from_unit":"lbf_ft","to_unit":"kgf_m"} - Markdown: https://tttkmbb.com/conversion/ft-lbs-to-kgf-m.md · JSON: https://tttkmbb.com/conversion/ft-lbs-to-kgf-m.json (add
?value=for a result) · Units: /api/v1/units?quantity=torque - OpenAPI operationId:
convert_units. Freshness:static. Authentication: none.