Inch-Pound to Calorie (th) Converter

Energy Converter

27 units available

Decimals:

From

To

0.027004

1 in·lbf = 0.027004 cal

Formula:

cal = in·lbf × 0.0270040222

With your value: 1 in·lbf = 0.02700402 cal

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 Calorie (th) conversions

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

Inch-Pound to Calorie (th) Conversion Table

Inch-Pound (in·lbf)	Calorie (th) (cal)
0.5	0.013502
1	0.027004
2	0.054008
5	0.13502
10	0.27004
15	0.40506
20	0.54008
25	0.675101
50	1.350201
100	2.700402
250	6.751006
500	13.502011
1000	27.004022

Calorie (th) to Inch-Pound Conversion Table

Calorie (th) (cal)	Inch-Pound (in·lbf)
0.5	18.51576
1	37.03152
2	74.063041
5	185.157602
10	370.315204
15	555.472806
20	740.630408
25	925.78801
50	1,851.57602
100	3,703.152039
250	9,257.880098
500	18,515.760195
1000	37,031.520391

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

Calorie (th) (cal)

Energy

Exact conversion

The thermochemical calorie is exactly 4.184 J.

The International Table calorie (4.1868 J) and the 15 °C calorie differ slightly.

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 Calorie (th)

To convert from Inch-Pound (in·lbf) to Calorie (th) (cal), multiply the value by 0.0270040222.

Formula: cal = in·lbf × 0.0270040222

Reverse: in·lbf = cal × 37.0315203909

Step-by-Step Example

Start with your value in Inch-Pound. For example: 5 in·lbf
Multiply by the conversion factor: 5 x 0.0270040222
The result is: 0.13502 cal

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 Calorie (th)

The thermochemical calorie equals 4.184 joules. Not to be confused with the food Calorie (kcal), which equals 1,000 calories.

Common uses: chemistry, nutrition, heating.

Frequently Asked Questions

How many Calorie (th) are in 1 Inch-Pound?

There are exactly 0.0270040222 Calorie (th) in 1 Inch-Pound. This means the conversion factor from Inch-Pound to Calorie (th) is 0.0270040222.

What is the formula to convert Inch-Pound to Calorie (th)?

The formula to convert Inch-Pound to Calorie (th) is: cal = in·lbf × 0.0270040222. For example, to convert 10 Inch-Pound to Calorie (th), you would multiply 10 by 0.0270040222.

What is a Inch-Pound?