lb·ft to N·m Converter

1 pound-foot = 1.35582 newton-metres.

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Result

1 pound-foot =

1.35582 Newton-metre (N·m)

1 Pound-foot (lbf·ft) × 1.35582 = 1.35582 Newton-metre (N·m)

Decimals

The working

1. Convert 1 Pound-foot (lbf·ft) to N·ms: 1 × 1.35582 = 1.35582.
2. Convert to Newton-metre (N·m): 1.35582 ÷ 1 = 1.35582.

1 Pound-foot (lbf·ft) in every unit

Newton-metre (N·m)1.35582 Newton-metre (N·m)

Pound-foot (lbf·ft)1 Pound-foot (lbf·ft)

Pound-inch (lbf·in)12 Pound-inch (lbf·in)

Kilogram-force metre (kgf·m)0.138255 Kilogram-force metre (kgf·m)

Typical torque settings

Bicycle crank bolt: 40 N·m
Wheel nut, car: 120 N·m
Small car engine peak: 200 N·m
Diesel truck engine: 2,500 N·m
Spark plug, engine: 25 lbf·ft ≈ 34 N·m
Watch screw: 0.05 N·m

Conversion table

Pound-feet to Newton-metres

Pound-feet to Newton-metres
Pound-feet	Newton-metres
1	1.3558
2	2.7116
3	4.0675
4	5.4233
5	6.7791
6	8.1349
7	9.4907
8	10.847
9	12.202
10	13.558
15	20.337
20	27.116
25	33.895
50	67.791
100	135.58

Newton-metres to Pound-feet

Newton-metres to Pound-feet
Newton-metres	Pound-feet
1	0.73756
2	1.4751
3	2.2127
4	2.9502
5	3.6878
6	4.4254
7	5.1629
8	5.9005
9	6.6381
10	7.3756
15	11.063
20	14.751
25	18.439
50	36.878
100	73.756

Formula and worked example

newton-metres = pound-feet × 1.355818.

Convert 80 pound-feet to newton-metres: 80 × 1.355818 = 108.465 N·m.

When you need this

Converting a US torque specification into newton-metres for a metric torque wrench.

Questions people ask

How many newton-metres are in a pound-foot?

One pound-foot is 1.355818 newton-metres.

How do I convert pound-feet to newton-metres?

Multiply the number of pound-feet by 1.355818.

What is 10 lb·ft in N·m?

10 pound-feet is 13.5582 newton-metres.

How do I convert newton-metres back to pound-feet?

Multiply by 0.73756212: one newton-metre is 0.73756212 pound-feet.

Related conversions

How we calculate this

Torque is force × lever length: SI newton-metres, with pound-foot derived from the pound-force (4.4482216 N) and the exact foot (0.3048 m). Source: BIPM (SI Brochure).

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