Kilocalorie/Hour to Gigawatt Converter

Power Converter

22 units available

Decimals:

From

To

1.162222e-9

1 kcal/h = 1.162222e-9 GW

Formula:

GW = kcal/h × 1.162222e-9

With your value: 1 kcal/h = 1.162222e-9 GW

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 Gigawatt conversions

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

Kilocalorie/Hour to Gigawatt Conversion Table

Kilocalorie/Hour (kcal/h)	Gigawatt (GW)
0.5	5.811111e-10
1	1.162222e-9
2	2.324444e-9
5	5.811111e-9
10	1.162222e-8
15	1.743333e-8
20	2.324444e-8
25	2.905556e-8
50	5.811111e-8
100	1.162222e-7
250	2.905556e-7
500	5.811111e-7
1000	1.162222e-6

Gigawatt to Kilocalorie/Hour Conversion Table

Gigawatt (GW)	Kilocalorie/Hour (kcal/h)
0.5	430,210,325.130059
1	860,420,650.260119
2	1,720,841,300.520237
5	4,302,103,251.300594
10	8,604,206,502.601187
15	12,906,309,753.90178
20	17,208,413,005.202374
25	21,510,516,256.502968
50	43,021,032,513.005936
100	86,042,065,026.01187
250	215,105,162,565.02966
500	430,210,325,130.0593
1000	860,420,650,260.1187

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

Gigawatt (GW)

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 Gigawatt

To convert from Kilocalorie/Hour (kcal/h) to Gigawatt (GW), multiply the value by 1.162222e-9.

Formula: GW = kcal/h × 1.162222e-9

Reverse: kcal/h = GW × 860,420,650.2601186

Step-by-Step Example

Start with your value in Kilocalorie/Hour. For example: 5 kcal/h
Multiply by the conversion factor: 5 x 1.162222e-9
The result is: 5.811111e-9 GW

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 Gigawatt

The gigawatt (GW) is a unit of power. One gigawatt equals 1.000000 × 10^+9 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 Gigawatt are in 1 Kilocalorie/Hour?

There are exactly 1.162222e-9 Gigawatt in 1 Kilocalorie/Hour. This means the conversion factor from Kilocalorie/Hour to Gigawatt is 1.162222e-9.

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

The formula to convert Kilocalorie/Hour to Gigawatt is: GW = kcal/h × 1.162222e-9. For example, to convert 10 Kilocalorie/Hour to Gigawatt, you would multiply 10 by 1.162222e-9.

What is a Kilocalorie/Hour?