Kilojoule/Hour to Gigawatt Converter

Power Converter

22 units available

Decimals:

From

To

2.777778e-10

1 kJ/h = 2.777778e-10 GW

Formula:

GW = kJ/h × 2.777778e-10

With your value: 1 kJ/h = 2.777778e-10 GW

How big is that?

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

Your value1.00 kJ/h

LED bulb (32× your value)32.4 kJ/h

Laptop (2.3e+2× your value)234 kJ/h

Microwave oven (3.6e+3× your value)3.60e+3 kJ/h

Electric kettle (1.1e+4× your value)1.08e+4 kJ/h

Family car engine (3.2e+5× your value)3.24e+5 kJ/h

Other Kilojoule/Hour to Gigawatt conversions

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

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

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

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.

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

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 Kilojoule/Hour to Gigawatt

To convert from Kilojoule/Hour (kJ/h) to Gigawatt (GW), multiply the value by 2.777778e-10.

Formula: GW = kJ/h × 2.777778e-10

Reverse: kJ/h = GW × 3.600000e+9

Step-by-Step Example

Start with your value in Kilojoule/Hour. For example: 5 kJ/h
Multiply by the conversion factor: 5 x 2.777778e-10
The result is: 1.388889e-9 GW

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.

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 Kilojoule/Hour?

There are exactly 2.777778e-10 Gigawatt in 1 Kilojoule/Hour. This means the conversion factor from Kilojoule/Hour to Gigawatt is 2.777778e-10.

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

The formula to convert Kilojoule/Hour to Gigawatt is: GW = kJ/h × 2.777778e-10. For example, to convert 10 Kilojoule/Hour to Gigawatt, you would multiply 10 by 2.777778e-10.

What is a Kilojoule/Hour?