Foot-Pound to Inch-Pound Converter

Energy Converter

27 units available

Decimals:

From

To

12

1 ft·lbf = 12 in·lbf

Formula:

in·lbf = ft·lbf × 11.9999999997

With your value: 1 ft·lbf = 12 in·lbf

How big is that?

Everyday references on a logarithmic scale, all expressed in foot-pound so you can sanity-check the result.

Heartbeat (1/1.4 your value)0.738 ft·lbf

Your value1.00 ft·lbf

AA battery charge (7.4e+3× your value)7.38e+3 ft·lbf

Slice of bread (2.1e+5× your value)2.07e+5 ft·lbf

Daily food intake (6.2e+6× your value)6.20e+6 ft·lbf

Litre of petrol (2.5e+7× your value)2.52e+7 ft·lbf

Other Foot-Pound to Inch-Pound conversions

2 ft·lbf to in·lbf 3 ft·lbf to in·lbf 4 ft·lbf to in·lbf 5 ft·lbf to in·lbf 6 ft·lbf to in·lbf 7 ft·lbf to in·lbf 8 ft·lbf to in·lbf

Foot-Pound to Inch-Pound Conversion Table

Foot-Pound (ft·lbf)	Inch-Pound (in·lbf)
0.5	6
1	12
2	24
5	60
10	120
15	180
20	240
25	300
50	600
100	1,200
250	3,000
500	6,000
1000	12,000

Inch-Pound to Foot-Pound Conversion Table

Inch-Pound (in·lbf)	Foot-Pound (ft·lbf)
0.5	0.041667
1	0.083333
2	0.166667
5	0.416667
10	0.833333
15	1.25
20	1.666667
25	2.083333
50	4.166667
100	8.333333
250	20.833333
500	41.666667
1000	83.333333

Where these values come from

Every factor on this page is traced to the document that defines it. See the full provenance dataset or our methodology.

Foot-Pound (ft·lbf)

Energy

Exact conversion

Derived from the joule (1 J = 1 kg·m²/s²). Thermochemical and IT calories, BTU and kWh are exact defined multiples.

Source: NIST Special Publication 811, Guide for the Use of the International System of Units

National Institute of Standards and Technology (US) · Reviewed 2026-07-01

Inch-Pound (in·lbf)

Energy

Exact conversion

Derived from the joule (1 J = 1 kg·m²/s²). Thermochemical and IT calories, BTU and kWh are exact defined multiples.

Source: NIST Special Publication 811, Guide for the Use of the International System of Units

National Institute of Standards and Technology (US) · Reviewed 2026-07-01

How to Convert Foot-Pound to Inch-Pound

To convert from Foot-Pound (ft·lbf) to Inch-Pound (in·lbf), multiply the value by 11.9999999997.

Formula: in·lbf = ft·lbf × 11.9999999997

Reverse: ft·lbf = in·lbf × 0.0833333333

Step-by-Step Example

Start with your value in Foot-Pound. For example: 5 ft·lbf
Multiply by the conversion factor: 5 x 11.9999999997
The result is: 60 in·lbf

About Foot-Pound

The foot-pound (ft·lbf) is a unit of energy and work. One foot-pound equals 1.355817948 joules. UnitConvertLab converts it against every other energy unit using this exact definition, so results are reproducible to full double precision rather than rounded lookup tables.

Common uses: energy calculations, engineering and science, education.

About Inch-Pound

The inch-pound (in·lbf) is a unit of energy and work. One inch-pound equals 0.112984829 joules. UnitConvertLab converts it against every other energy unit using this exact definition, so results are reproducible to full double precision rather than rounded lookup tables.

Common uses: energy calculations, engineering and science, education.

Frequently Asked Questions

How many Inch-Pound are in 1 Foot-Pound?

There are exactly 11.9999999997 Inch-Pound in 1 Foot-Pound. This means the conversion factor from Foot-Pound to Inch-Pound is 11.9999999997.

What is the formula to convert Foot-Pound to Inch-Pound?

The formula to convert Foot-Pound to Inch-Pound is: in·lbf = ft·lbf × 11.9999999997. For example, to convert 10 Foot-Pound to Inch-Pound, you would multiply 10 by 11.9999999997.

What is a Foot-Pound?