Joule to Kilowatt-hour Converter

Convert Joule to Kilowatt-hour instantly — live results with exact conversion factors.

From

2.777777778e-7 kWh

1 joule = 2.7777778e-7 kilowatt-hours. To convert J to kWh, multiply by 2.7777778e-7.

Quick Reference Table

Joule (J)	Kilowatt-hour (kWh)
1	2.777777778e-7
2	5.555555556e-7
5	0.00000138888889
10	0.00000277777778
20	0.00000555555556
50	0.0000138888889
100	0.0000277777778
250	0.0000694444444
500	0.000138888889
1000	0.000277777778

Formula

Convert Joule (J) to Kilowatt-hour (kWh) using the relationship:

kWh = J × 2.7777778e-7

How to Convert

Take the value in joules (J).
Multiply it by 2.7777778e-7 (the conversion factor from J to kWh).
The result is the equivalent value in kilowatt-hours (kWh).
Example: 1 J = 2.777777778e-7 kWh.

Reverse Conversion

Need it the other direction? Kilowatt-hour to Joule conversion.

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FAQ

▸ How many kilowatt-hours are in 1 joule?

1 Joule equals 2.777777778e-7 kilowatt-hours. Multiply by 2.7777778e-7 to convert J to kWh.

▸ What is the formula to convert joule to kilowatt-hour?

Multiply the value in joules by 2.7777778e-7 to get kilowatt-hours. Formula: kWh = J × 2.7777778e-7.

▸ How do I convert joules to kilowatt-hours easily?

Enter your value in the converter at the top of this page — the kilowatt-hours result updates live as you type. You can also multiply by 2.7777778e-7 directly.

Answer