Gigawatt to Kilojoule/Hour Converter

Power Converter

22 units available

Decimals:

From

To

3,600,000,000

1 GW = 3,600,000,000 kJ/h

Formula:

kJ/h = GW × 3.600000e+9

With your value: 1 GW = 3,600,000,000 kJ/h

How big is that?

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

LED bulb (1/1.1e+8 your value)9.00e-9 GW

Laptop (1/1.5e+7 your value)6.50e-8 GW

Microwave oven (1/1.0e+6 your value)0.00000100 GW

Electric kettle (1/3.3e+5 your value)0.00000300 GW

Family car engine (1/1.1e+4 your value)0.0000900 GW

Your value1.00 GW

Other Gigawatt to Kilojoule/Hour conversions

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

Gigawatt to Kilojoule/Hour Conversion Table

Gigawatt (GW)	Kilojoule/Hour (kJ/h)
0.5	1,800,000,000
1	3,600,000,000
2	7,200,000,000
5	18,000,000,000
10	36,000,000,000
15	54,000,000,000
20	72,000,000,000
25	90,000,000,000
50	180,000,000,000
100	360,000,000,000
250	900,000,000,000
500	1.800000e+12
1000	3.600000e+12

Kilojoule/Hour to Gigawatt Conversion Table

Kilojoule/Hour (kJ/h)	Gigawatt (GW)
0.5	1.388889e-10
1	2.777778e-10
2	5.555556e-10
5	1.388889e-9
10	2.777778e-9
15	4.166667e-9
20	5.555556e-9
25	6.944444e-9
50	1.388889e-8
100	2.777778e-8
250	6.944444e-8
500	1.388889e-7
1000	2.777778e-7

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.

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

Kilojoule/Hour (kJ/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

How to Convert Gigawatt to Kilojoule/Hour

To convert from Gigawatt (GW) to Kilojoule/Hour (kJ/h), multiply the value by 3,600,000,000.

Formula: kJ/h = GW × 3.600000e+9

Reverse: GW = kJ/h × 2.777778e-10

Step-by-Step Example

Start with your value in Gigawatt. For example: 5 GW
Multiply by the conversion factor: 5 x 3,600,000,000
The result is: 18,000,000,000 kJ/h

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.

About Kilojoule/Hour

The kilojoule/hour (kJ/h) is a unit of power. One kilojoule/hour equals 0.2777777778 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 Kilojoule/Hour are in 1 Gigawatt?

There are exactly 3,600,000,000 Kilojoule/Hour in 1 Gigawatt. This means the conversion factor from Gigawatt to Kilojoule/Hour is 3,600,000,000.

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

The formula to convert Gigawatt to Kilojoule/Hour is: kJ/h = GW × 3.600000e+9. For example, to convert 10 Gigawatt to Kilojoule/Hour, you would multiply 10 by 3,600,000,000.

What is a Gigawatt?