How do you convert pound-force feet to newton meters?

To convert pound-force feet (lbf·ft) to newton meters (N·m), multiply the measurement in pound-force feet by 1.35582 (newton meters = pound-force feet × 1.35582).

What is 10 pound-force feet in newton meters?

10 pound-force feet (10 lbf·ft) is equal to 13.55818 newton meters (13.55818 N·m).

Which is larger, 1 pound-force foot (lbf·ft) or 1 newton meter (N·m)?

One pound-force foot (lbf·ft) is larger than one newton meter (N·m). Specifically, 1 lbf·ft contains 1.35582 N·m, whereas 1 N·m is 0.73756 lbf·ft.

How do I convert back from newton meters (N·m) to pound-force feet (lbf·ft)?

To reverse the calculation from N·m to lbf·ft, multiply your newton meter value by the inverse factor 0.73756 (or divide by 1.35582). You can also click the Swap button in the tool above to flip directions in one click.

How many decimal places should I round lbf·ft to N·m results to?

For everyday comparisons and quick estimates, rounding to 2 decimal places is usually sufficient (for example, 10 lbf·ft ≈ 13.56 N·m). For engineering, laboratory, or machining specifications, select 4 or 6 decimals—or Scientific (10ⁿ) mode—in the calculator toolbar above.

Pound-force Feet to Newton Meters Converter

Enter the moment of force in pound-force feet below to convert it to newton meters.

Newton Meters to Pound-force Feet (N·m → lbf·ft)

Convert Pound-force Feet to Newton Meters

Enter a value in pound-force feet (lbf·ft) to convert to newton meters (N·m).

Value (lbf·ft)

From

Result

•

13.558179483newton meters

10 lbf·ft = 13.558179483 N·m

Result updates automatically

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Suggested Conversions

Reference:NIST OWM (SI Units — Length)

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Pound-force Foot to Newton Meter Conversion Table

Table showing various pound-force foot measurements converted to newton meters. Click any preset value or arrow to load it into the converter.

Pound-force Feet (lbf·ft)	Newton Meters (N·m)
1 lbf·ft	1.3558179 N·m
2 lbf·ft	2.7116359 N·m
5 lbf·ft	6.7790897 N·m
10 lbf·ft	13.5581795 N·m
15 lbf·ft	20.3372692 N·m
20 lbf·ft	27.116359 N·m
25 lbf·ft	33.8954487 N·m
30 lbf·ft	40.6745384 N·m
50 lbf·ft	67.7908974 N·m
75 lbf·ft	101.6863461 N·m

How to Convert Pound-force Feet to Newton Meters

To convert pound-force feet to newton meters, multiply the moment of force by the following conversion ratio: 1.3558179 newton meters/pound-force foot.

Since one pound-force foot is equal to 1.3558179 newton meters, you can use this simple formula to convert:

newton meters = pound-force feet × 1.3558179

The moment of force in newton meters is equal to the moment of force in pound-force feet multiplied by 1.3558179.

For example, here's how to convert 10 pound-force feet to newton meters using the formula above.

newton meters = (10 lbf·ft × 1.3558179) = 13.5581795 N·m

How Many Newton Meters Are in a Pound-force Foot?

There are 1.3558179 newton meters in a pound-force foot, which is why we use this value in the formula above.

1 lbf·ft = 1.3558179 N·m|1 N·m = 0.7375621 lbf·ft

Our pound-force foot to newton meter calculator automatically converts your moment of force measurements with full decimal and scientific precision across US customary, imperial, and SI metric standards.

Pound-force Feet and newton meters are both units used to measure moment of force. Keep reading to learn more about each unit.

What Is a Pound-force Foot?

A pound-force foot is a unit of moment of force equal to 1.3558179 newton meters (N·m), the base unit for moment of force. Equal to 1.35582 N·m. [1]

The pound-force foot is classified as a US customary unit of moment of force. Pound-force Feet can be abbreviated as lbf·ft; for example, 1 pound-force foot can be written as 1 lbf·ft.

When working with pound-force feet (lbf·ft) in formulas or technical specifications, always verify whether your target system uses SI metric, US customary, or British imperial standards.

In practice, pound-force feet (lbf·ft) are widely used across standard moment of force applications within US customary workflows, engineering documentation, and technical data sheets.

Learn more about pound-force feet in our Moment of Force Converter.

What Is a Newton Meter?

SI unit of moment of force. It serves as a primary reference unit for measuring moment of force across scientific and practical applications. [2]

The newton meter is classified as an International System of Units (SI) unit of moment of force. Newton Meters can be abbreviated as N·m; for example, 1 newton meter can be written as 1 N·m.

As the primary coherent reference unit for moment of force in this category, all other moment of force units are mathematically anchored to the newton meter (N·m).

In practice, newton meters (N·m) are widely used across standard moment of force applications within International System of Units (SI) workflows, engineering documentation, and technical data sheets.

Learn more about newton meters in our Moment of Force Converter.

When converting moment of force between pound-force feet (lbf·ft) and newton meters (N·m), keep full floating-point precision (1 lbf·ft = 1.3558179 N·m; 1 N·m = 0.7375621 lbf·ft) during intermediate calculations and round only the final newton meter figure to match your instrument tolerance.

More Pound-force Foot & Newton Meter Conversions

Need to calculate in the opposite direction? Use our newton meters to pound-force feet converter (N·m to lbf·ft) to switch your starting unit immediately. You can also explore related tools such as converting kilonewton meters to newton meters, converting pound-force inches to newton meters, or converting newton meters to kilonewton meters.

Convert from Pound-force Feet

Convert to Newton Meters

Frequently Asked Questions

There are 1.35582 newton meters (N·m) in 1 pound-force foot (lbf·ft). Conversely, 1 newton meter (N·m) is equal to 0.73756 pound-force feet (lbf·ft).

Moment of Force Converter

Quick Info

Direct Factor: 1 pound-force foot (lbf·ft) equals 1.35582 newton meters (N·m).
Inverse Factor: 1 newton meter (N·m) equals 0.73756 pound-force feet (lbf·ft).
Formula: newton meters = pound-force feet × 1.35582.
Verified Precision: Anchored to official NIST SP 811 and ISO/IEC 80000 standards.

Units Comparison

Pound-force Foot (lbf·ft)

Equal to 1.35582 N·m.

Newton Meter (N·m)

SI unit of moment of force.

Kilonewton Meter (kN·m)

Structural engineering bending moment unit (1,000 N·m).

References

[1]NIST OWM · SI Units — Length
Source
[2]BIPM · SI Base Unit: Metre (m)
Source
[3]NIST HB 133 · NIST Handbook 133 (2019 Ed.)
Source

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References

NIST · BIPM · ISO

[1]
NIST OWM (SI Units — Length)·Moment of Force Metrology Standard — Pound-force Feet (lbf·ft) to Newton Meters (N·m)
NIST OWM Standard
[2]
BIPM (SI Base Unit: Metre (m))·Unit Specifications: Pound-force Foot (lbf·ft) & Newton Meter (N·m)
BIPM Specification
[3]
NIST HB 133 (NIST Handbook 133 (2019 Ed.))·Conversion Factors & Mathematical Basis (lbf·ft to N·m)
NIST HB 133 Reference

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