Kj to Kwh ConverterRight in Your Browser

Convert kilojoules (kJ) to kilowatt-hours (kWh). The kilojoule (kJ) is 1,000 joules — the energy unit on food labels in Australia, New Zealand and much of Europe. The kilowatt-hour (kWh) is the unit on electricity bills — one kilowatt of power sustained for one hour. Everything is calculated locally in your browser — no server, and it works offline.

equals

0.000277778 kWh

in kilowatt-hours (kilowatt-hour)

To convert kilojoules to kilowatt-hours, multiply the kilojoule value by 0.000277778.

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Kj to Kwh Chart

Kilojoules (kJ)Kilowatt-hours (kWh)
10.000277778
20.000555556
30.000833333
40.00111111
50.00138889
100.00277778
200.00555556
500.0138889
1000.0277778

Frequently Asked Questions

How many kilowatt-hours are in a kilojoule?

One kilojoule equals 0.000277778 kilowatt-hours (1 kJ = 0.000277778 kWh). So to go from kilojoules to kilowatt-hours, multiply the kilojoule value by 0.000277778.

What is the formula to convert kilojoules to kilowatt-hours?

To convert kilojoules to kilowatt-hours, multiply the kilojoule value by 0.000277778. For example, 10 kJ is 0.00277778 kWh.

What is 8700 kilojoules in kilowatt-hours?

8700 kilojoules — an adult's typical daily energy intake — is 2.41667 kilowatt-hours. The converter above works for any value, entirely in your browser.

Is the kilojoule to kilowatt-hour conversion exact?

The factor used here is the defined value: 1 kJ = 0.0002777777778 kWh. Results are rounded to six significant digits for readability, so for high-precision work use the full factor.

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