Calorie/Hour to Watt Converter

Power Converter

22 units available

Decimals:

From

To

0.001162

1 cal/h = 0.001162 W

Formula:

W = cal/h × 0.0011622222

With your value: 1 cal/h = 0.00116222 W

How big is that?

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

Your value1.00 cal/h

LED bulb (7.7e+3× your value)7.74e+3 cal/h

Laptop (5.6e+4× your value)5.59e+4 cal/h

Microwave oven (8.6e+5× your value)8.60e+5 cal/h

Electric kettle (2.6e+6× your value)2.58e+6 cal/h

Family car engine (7.7e+7× your value)7.74e+7 cal/h

Other Calorie/Hour to Watt conversions

2 cal/h to W 3 cal/h to W 4 cal/h to W 5 cal/h to W 6 cal/h to W 7 cal/h to W 8 cal/h to W

Calorie/Hour to Watt Conversion Table

Calorie/Hour (cal/h)	Watt (W)
0.5	0.000581
1	0.001162
2	0.002324
5	0.005811
10	0.011622
15	0.017433
20	0.023244
25	0.029056
50	0.058111
100	0.116222
250	0.290556
500	0.581111
1000	1.162222

Watt to Calorie/Hour Conversion Table

Watt (W)	Calorie/Hour (cal/h)
0.5	430.210325
1	860.42065
2	1,720.841301
5	4,302.103251
10	8,604.206503
15	12,906.309754
20	17,208.413005
25	21,510.516257
50	43,021.032513
100	86,042.065026
250	215,105.162565
500	430,210.32513
1000	860,420.65026

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.

Calorie/Hour (cal/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

Watt (W)

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 Calorie/Hour to Watt

To convert from Calorie/Hour (cal/h) to Watt (W), multiply the value by 0.0011622222.

Formula: W = cal/h × 0.0011622222

Reverse: cal/h = W × 860.4206502601

Step-by-Step Example

Start with your value in Calorie/Hour. For example: 5 cal/h
Multiply by the conversion factor: 5 x 0.0011622222
The result is: 0.005811 W

About Calorie/Hour

The calorie/hour (cal/h) is a unit of power. One calorie/hour equals 0.001162222222 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 Watt

The watt (W) is a unit of power. One watt equals 1 watt. 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 Watt are in 1 Calorie/Hour?

There are exactly 0.0011622222 Watt in 1 Calorie/Hour. This means the conversion factor from Calorie/Hour to Watt is 0.0011622222.

What is the formula to convert Calorie/Hour to Watt?

The formula to convert Calorie/Hour to Watt is: W = cal/h × 0.0011622222. For example, to convert 10 Calorie/Hour to Watt, you would multiply 10 by 0.0011622222.

What is a Calorie/Hour?