Watt-hour to Gigajoule Converter

Convert Watt-hour to Gigajoule instantly — live results with exact conversion factors.

From

0.0000036 GJ

1 watt-hour = 0.0000036 gigajoules. To convert Wh to GJ, multiply by 0.0000036.

Quick Reference Table

Watt-hour (Wh)	Gigajoule (GJ)
1	0.0000036
2	0.0000072
5	0.000018
10	0.000036
20	0.000072
50	0.00018
100	0.00036
250	0.0009
500	0.0018
1000	0.0036

Formula

Convert Watt-hour (Wh) to Gigajoule (GJ) using the relationship:

GJ = Wh × 0.0000036

How to Convert

Take the value in watt-hours (Wh).
Multiply it by 0.0000036 (the conversion factor from Wh to GJ).
The result is the equivalent value in gigajoules (GJ).
Example: 1 Wh = 0.0000036 GJ.

Reverse Conversion

Need it the other direction? Gigajoule to Watt-hour conversion.

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FAQ

▸ How many gigajoules are in 1 watt-hour?

1 Watt-hour equals 0.0000036 gigajoules. Multiply by 0.0000036 to convert Wh to GJ.

▸ What is the formula to convert watt-hour to gigajoule?

Multiply the value in watt-hours by 0.0000036 to get gigajoules. Formula: GJ = Wh × 0.0000036.

▸ How do I convert watt-hours to gigajoules easily?

Enter your value in the converter at the top of this page — the gigajoules result updates live as you type. You can also multiply by 0.0000036 directly.

Answer