Convert Newton meters to Pound-feet
1 newton meter is 0.74 lbf·ft. One newton meter is exactly 0.737562149277 pound-feet.
One newton meter is 0.73756215 pound-feet. To convert newton meters to pound-feet, multiply by 0.73756215; to go the other way, divide by 0.73756215 or multiply by 1.3558179. The relation is exact but the figure is not: it is a rounding of a number that does not terminate, and it follows from NIST Special Publication 811. The SI unit: one newton acting at one meter.
Factor checked against the defining standard · How we check
- Newton meters × 0.73756215
1 * 0.73756220.738 lbf·ft
1 newton meter in every torque unit
| Unit | Value | Exact factor |
|---|---|---|
| pound-feet | 0.7375621493 lbf·ft | × 0.737562149277 |
| pound-inches | 8.850745791 lbf·in | × 8.85074579133 |
| newton meters (as entered) | 1 N·m | — |
| newton centimeters | 100 N·cm | × 100 |
| kilogram-force meters | 0.1019716213 kgf·m | × 0.101971621298 |
Factors are entered by hand from NIST Special Publication 811 rather than derived from a units library, so the ones that terminate are exact rather than rounded.
The same converter answers this pair however it is written: newton metres to pound-feet is the British spelling of the same units — the metre and the litre are spelled that way outside the United States and the quantity does not change.
How do you convert newton meters to pound-feet? The converter and the working
- 1.Take the measurement in newton meters.
- 2.Multiply by 0.73756215 — that is how many pound-feet fit in one newton meter.
- 3.To go back the other way, divide by 0.73756215, or multiply by 1.3558179.
Worked example: 25 newton meters to pound-feet
- Formula
- N·m × 0.73756215 = lbf·ft
- Arithmetic
- 25 × 0.73756215 = 18.44 lbf·ft
- Answer
- 25 N·m = 18.44 lbf·ft
The factor is rounded for display; the figure above is computed from the full value.
Newton meters to pound-feet conversion table
| Newton meters | Pound-feet |
|---|---|
| 1 N·m | 0.74 lbf·ft |
| 2 N·m | 1.48 lbf·ft |
| 3 N·m | 2.21 lbf·ft |
| 4 N·m | 2.95 lbf·ft |
| 5 N·m | 3.69 lbf·ft |
| 6 N·m | 4.43 lbf·ft |
| 7 N·m | 5.16 lbf·ft |
| 8 N·m | 5.9 lbf·ft |
| 9 N·m | 6.64 lbf·ft |
| 10 N·m | 7.38 lbf·ft |
| 12 N·m | 8.85 lbf·ft |
| 15 N·m | 11.06 lbf·ft |
| 20 N·m | 14.75 lbf·ft |
| 25 N·m | 18.44 lbf·ft |
| 50 N·m | 36.88 lbf·ft |
| 100 N·m | 73.76 lbf·ft |
| 200 N·m | 147.51 lbf·ft |
| 300 N·m | 221.27 lbf·ft |
| 500 N·m | 368.78 lbf·ft |
| 1000 N·m | 737.56 lbf·ft |
| 2000 N·m | 1,475.12 lbf·ft |
| 5000 N·m | 3,687.81 lbf·ft |
| 10000 N·m | 7,375.62 lbf·ft |
Pound-foot is torque; foot-pound is energy
They have the same dimensions and the same number — 1.3558179 of each per newton-meter or joule — and they are not the same quantity. Torque is a force acting at a distance and does no work until something turns; energy is work already done. Convention writes torque as lbf·ft and energy as ft·lbf, and a torque wrench is calibrated in the first. Confusing them is harmless in arithmetic and wrong in a specification.
NIST Special Publication 811 — Guide for the Use of the International System of Units
What is a newton meter?
The SI unit: one newton acting at one meter. Every metric service manual states torque in it.
What is a pound-foot?
The torque of one pound-force at one foot. Exact, because a pound-force is exactly 4.4482216152605 newtons and a foot is exactly 0.3048 meters. Every US torque wrench is marked in these.
How many pound-feet are in a newton meter?
One newton meter is 0.73756215 pound-feet. Going the other way, one pound-foot is 1.3558179 newton meters. Both figures come from the same defined relation rather than from a measurement, which is why they are the same today as they were in 1959.
Every torque unit here
The whole group — 5 units with their symbols and the size of each one in newton meters — is on the conversion index, along with every pair it makes. The table above already gives each of them relative to a newton meter.
Source: NIST Special Publication 811 — pound-force is exactly 4.4482216152605 N
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The date is when the figures on this page were last checked against their source, not the day you opened it. Add your own access date if your style needs one.
Questions people actually ask
- How many pound-feet are in a newton meter?
- 0.73756215. The torque of one pound-force at one foot. Exact, because a pound-force is exactly 4.4482216152605 newtons and a foot is exactly 0.3048 meters. Every US torque wrench is marked in these.
- How do I convert pound-feet back to newton meters?
- Divide by 0.73756215, or multiply by 1.3558179 — they are the same operation.
Other torque conversions
Pound-feet to newton meters — the same conversion the other way.