Inch-Pound to Kilocalorie Converter

Energy Converter

27 units available

Decimals:

From

To

2.700402e-5

1 in·lbf = 2.700402e-5 kcal

Formula:

kcal = in·lbf × 0.000027004

With your value: 1 in·lbf = 2.700402e-5 kcal

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 Kilocalorie conversions

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

Inch-Pound to Kilocalorie Conversion Table

Inch-Pound (in·lbf)	Kilocalorie (kcal)
0.5	1.350201e-5
1	2.700402e-5
2	5.400804e-5
5	0.000135
10	0.00027
15	0.000405
20	0.00054
25	0.000675
50	0.00135
100	0.0027
250	0.006751
500	0.013502
1000	0.027004

Kilocalorie to Inch-Pound Conversion Table

Kilocalorie (kcal)	Inch-Pound (in·lbf)
0.5	18,515.760195
1	37,031.520391
2	74,063.040782
5	185,157.601954
10	370,315.203909
15	555,472.805863
20	740,630.407818
25	925,788.009772
50	1,851,576.019544
100	3,703,152.039089
250	9,257,880.097721
500	18,515,760.195443
1000	37,031,520.390886

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

Kilocalorie (kcal)

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 Kilocalorie

To convert from Inch-Pound (in·lbf) to Kilocalorie (kcal), multiply the value by 2.700402e-5.

Formula: kcal = in·lbf × 0.000027004

Reverse: in·lbf = kcal × 37,031.5203908856

Step-by-Step Example

Start with your value in Inch-Pound. For example: 5 in·lbf
Multiply by the conversion factor: 5 x 2.700402e-5
The result is: 0.000135 kcal

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 Kilocalorie

The kilocalorie (food Calorie) equals 1,000 calories or 4,184 joules. It is the standard unit for food energy content.

Common uses: nutrition, diet, food labeling.

Frequently Asked Questions

How many Kilocalorie are in 1 Inch-Pound?

There are exactly 2.700402e-5 Kilocalorie in 1 Inch-Pound. This means the conversion factor from Inch-Pound to Kilocalorie is 2.700402e-5.

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

The formula to convert Inch-Pound to Kilocalorie is: kcal = in·lbf × 0.000027004. For example, to convert 10 Inch-Pound to Kilocalorie, you would multiply 10 by 2.700402e-5.

What is a Inch-Pound?