HomeUnit 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

Pound-feet (ft-lb) to kilogram-force meters conversion table

Pound-feet (ft-lb) (lbf·ft)Kilogram-force meters (kgf·m)
10.138255
20.27651
30.414765
40.55302
50.691275
60.82953
70.967785
81.10604
91.24429
101.38255
152.07382
202.7651
253.45637
304.14765
405.5302
506.91275
7510.3691
10013.8255
20027.651
25034.5637
50069.1275
1000138.255

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

Machine access

Sources