Kilocalorie/Hour to Milliwatt Converter

Power Converter

22 units available

Decimals:

From

To

1,162.222222

1 kcal/h = 1,162.222222 mW

Formula:

mW = kcal/h × 1,162.222222

With your value: 1 kcal/h = 1,162.222222 mW

How big is that?

Everyday references on a logarithmic scale, all expressed in kilocalorie/hour so you can sanity-check the result.

Your value1.00 kcal/h

LED bulb (7.7× your value)7.74 kcal/h

Laptop (56× your value)55.9 kcal/h

Microwave oven (8.6e+2× your value)860 kcal/h

Electric kettle (2.6e+3× your value)2.58e+3 kcal/h

Family car engine (7.7e+4× your value)7.74e+4 kcal/h

Other Kilocalorie/Hour to Milliwatt conversions

2 kcal/h to mW 3 kcal/h to mW 4 kcal/h to mW 5 kcal/h to mW 6 kcal/h to mW 7 kcal/h to mW 8 kcal/h to mW

Kilocalorie/Hour to Milliwatt Conversion Table

Kilocalorie/Hour (kcal/h)	Milliwatt (mW)
0.5	581.111111
1	1,162.222222
2	2,324.444444
5	5,811.11111
10	11,622.22222
15	17,433.33333
20	23,244.44444
25	29,055.55555
50	58,111.1111
100	116,222.2222
250	290,555.5555
500	581,111.111
1000	1,162,222.222

Milliwatt to Kilocalorie/Hour Conversion Table

Milliwatt (mW)	Kilocalorie/Hour (kcal/h)
0.5	0.00043
1	0.00086
2	0.001721
5	0.004302
10	0.008604
15	0.012906
20	0.017208
25	0.021511
50	0.043021
100	0.086042
250	0.215105
500	0.43021
1000	0.860421

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.

Kilocalorie/Hour (kcal/h)

Power

Exact conversion

Derived from the watt (1 W = 1 J/s).

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

Milliwatt (mW)

Power

Exact conversion

Derived from the watt (1 W = 1 J/s).

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 Kilocalorie/Hour to Milliwatt

To convert from Kilocalorie/Hour (kcal/h) to Milliwatt (mW), multiply the value by 1,162.222222.

Formula: mW = kcal/h × 1,162.222222

Reverse: kcal/h = mW × 0.0008604207

Step-by-Step Example

Start with your value in Kilocalorie/Hour. For example: 5 kcal/h
Multiply by the conversion factor: 5 x 1,162.222222
The result is: 5,811.11111 mW

About Kilocalorie/Hour

The kilocalorie/hour (kcal/h) is a unit of power. One kilocalorie/hour equals 1.162222222 watts. UnitConvertLab converts it against every other power unit using this exact definition, so results are reproducible to full double precision rather than rounded lookup tables.

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

About Milliwatt

The milliwatt (mW) is a unit of power. One milliwatt equals 0.001 watts. UnitConvertLab converts it against every other power unit using this exact definition, so results are reproducible to full double precision rather than rounded lookup tables.

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

Frequently Asked Questions

How many Milliwatt are in 1 Kilocalorie/Hour?

There are exactly 1,162.222222 Milliwatt in 1 Kilocalorie/Hour. This means the conversion factor from Kilocalorie/Hour to Milliwatt is 1,162.222222.

What is the formula to convert Kilocalorie/Hour to Milliwatt?

The formula to convert Kilocalorie/Hour to Milliwatt is: mW = kcal/h × 1,162.222222. For example, to convert 10 Kilocalorie/Hour to Milliwatt, you would multiply 10 by 1,162.222222.

What is a Kilocalorie/Hour?