Inch-Pound to Watt-Hour Converter

Energy Converter

27 units available

Decimals:

From

To

3.138467e-5

1 in·lbf = 3.138467e-5 Wh

Formula:

Wh = in·lbf × 0.0000313847

With your value: 1 in·lbf = 3.138467e-5 Wh

How big is that?

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

Your value1.00 in·lbf

Heartbeat (8.9× your value)8.85 in·lbf

AA battery charge (8.9e+4× your value)8.85e+4 in·lbf

Slice of bread (2.5e+6× your value)2.48e+6 in·lbf

Daily food intake (7.4e+7× your value)7.43e+7 in·lbf

Litre of petrol (3.0e+8× your value)3.03e+8 in·lbf

Other Inch-Pound to Watt-Hour conversions

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

Inch-Pound to Watt-Hour Conversion Table

Inch-Pound (in·lbf)	Watt-Hour (Wh)
0.5	1.569234e-5
1	3.138467e-5
2	6.276935e-5
5	0.000157
10	0.000314
15	0.000471
20	0.000628
25	0.000785
50	0.001569
100	0.003138
250	0.007846
500	0.015692
1000	0.031385

Watt-Hour to Inch-Pound Conversion Table

Watt-Hour (Wh)	Inch-Pound (in·lbf)
0.5	15,931.342424
1	31,862.684849
2	63,725.369698
5	159,313.424244
10	318,626.848488
15	477,940.272731
20	637,253.696975
25	796,567.121219
50	1,593,134.242438
100	3,186,268.484875
250	7,965,671.212189
500	15,931,342.424377
1000	31,862,684.848754

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.

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

Watt-Hour (Wh)

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 Inch-Pound to Watt-Hour

To convert from Inch-Pound (in·lbf) to Watt-Hour (Wh), multiply the value by 3.138467e-5.

Formula: Wh = in·lbf × 0.0000313847

Reverse: in·lbf = Wh × 31,862.6848487544

Step-by-Step Example

Start with your value in Inch-Pound. For example: 5 in·lbf
Multiply by the conversion factor: 5 x 3.138467e-5
The result is: 0.000157 Wh

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.

About Watt-Hour

The watt-hour (Wh) is a unit of energy and work. One watt-hour equals 3600 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 Watt-Hour are in 1 Inch-Pound?

There are exactly 3.138467e-5 Watt-Hour in 1 Inch-Pound. This means the conversion factor from Inch-Pound to Watt-Hour is 3.138467e-5.

What is the formula to convert Inch-Pound to Watt-Hour?

The formula to convert Inch-Pound to Watt-Hour is: Wh = in·lbf × 0.0000313847. For example, to convert 10 Inch-Pound to Watt-Hour, you would multiply 10 by 3.138467e-5.

What is a Inch-Pound?