Kilojoules to Watt-hours Converter

1 kJ = 0.27777778 Wh. Type any value — it converts as you type, right in your browser.

=
0.27777778 Wh

Formula

Wh = kJ × 0.27777778

Kilojoules to Watt-hours conversion table

Kilojoules (kJ)Watt-hours (Wh)
0.10.027777778
0.50.13888889
10.27777778
20.55555556
51.38889
102.77778
205.55556
5013.8889
10027.7778
500138.9
1,000277.8

FAQ

How many watt-hours in a kilojoule?

1 kJ equals 0.27777778 Wh.

How do I convert kJ to Wh?

Multiply the kilojoules value by 0.27777778 to get watt-hours.

What is the reverse conversion (Wh to kJ)?

1 Wh equals 3.6 kJ. Use our Watt-hours to Kilojoules converter for the other direction.

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