Kilowatt to Calorie/Second Converter

Power Converter

22 units available

Decimals:

From

To

239.005736

1 kW = 239.005736 cal/s

Formula:

cal/s = kW × 239.0057361377

With your value: 1 kW = 239.00573614 cal/s

How big is that?

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

LED bulb (1/1.1e+2 your value)0.00900 kW

Laptop (1/15 your value)0.0650 kW

Microwave oven (1.0× your value)1.00 kW

Your value1.00 kW

Electric kettle (3.0× your value)3.00 kW

Family car engine (90× your value)90.0 kW

Other Kilowatt to Calorie/Second conversions

2 kW to cal/s 3 kW to cal/s 4 kW to cal/s 5 kW to cal/s 6 kW to cal/s 7 kW to cal/s 8 kW to cal/s

Kilowatt to Calorie/Second Conversion Table

Kilowatt (kW)	Calorie/Second (cal/s)
0.5	119.502868
1	239.005736
2	478.011472
5	1,195.028681
10	2,390.057361
15	3,585.086042
20	4,780.114723
25	5,975.143403
50	11,950.286807
100	23,900.573614
250	59,751.434034
500	119,502.868069
1000	239,005.736138

Calorie/Second to Kilowatt Conversion Table

Calorie/Second (cal/s)	Kilowatt (kW)
0.5	0.002092
1	0.004184
2	0.008368
5	0.02092
10	0.04184
15	0.06276
20	0.08368
25	0.1046
50	0.2092
100	0.4184
250	1.046
500	2.092
1000	4.184

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.

Kilowatt (kW)

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

Calorie/Second (cal/s)

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 Kilowatt to Calorie/Second

To convert from Kilowatt (kW) to Calorie/Second (cal/s), multiply the value by 239.0057361377.

Formula: cal/s = kW × 239.0057361377

Reverse: kW = cal/s × 0.004184

Step-by-Step Example

Start with your value in Kilowatt. For example: 5 kW
Multiply by the conversion factor: 5 x 239.0057361377
The result is: 1,195.028681 cal/s

About Kilowatt

The kilowatt (kW) is a unit of power. One kilowatt equals 1000 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 Calorie/Second

The calorie/second (cal/s) is a unit of power. One calorie/second equals 4.184 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 Calorie/Second are in 1 Kilowatt?

There are exactly 239.0057361377 Calorie/Second in 1 Kilowatt. This means the conversion factor from Kilowatt to Calorie/Second is 239.0057361377.

What is the formula to convert Kilowatt to Calorie/Second?

The formula to convert Kilowatt to Calorie/Second is: cal/s = kW × 239.0057361377. For example, to convert 10 Kilowatt to Calorie/Second, you would multiply 10 by 239.0057361377.

What is a Kilowatt?