Joules to Kilowatt-hours Converter
Convert joules (J) to kilowatt-hours (kWh)
Result
2.7777778 × 10⁻⁷ kWh
Kilowatt-hours
1 J = 2.7777778 × 10⁻⁷ kWh
1 J in other units
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How to convert joules to kilowatt-hours
There are 36,00,000 joules in one kilowatt-hour, so divide the number of joules by 36,00,000.
kWh = J ÷ 36,00,000
1 J = 2.777778 × 10⁻⁷ kWh · 1 kWh = 36,00,000 J
Worked example
To convert 5 joules to kilowatt-hours: 5 J ÷ 36,00,000 = 0.000001388889 kWh.
About joules (J)
The joule is the SI unit of energy: the work done by a force of one newton over one metre.
About kilowatt-hours (kWh)
A kilowatt-hour is 1,000 Wh. Electricity bills in India count kWh as “units”.
More conversions
Joules to other units
Frequently asked questions
How many kilowatt-hours are in one joule?
One joule equals 2.777778 × 10⁻⁷ kilowatt-hours.
How many joules are in one kilowatt-hour?
One kilowatt-hour equals 36,00,000 joules.
How do I convert joules to kilowatt-hours?
Use the formula kWh = J ÷ 36,00,000. For example, 5 J ÷ 36,00,000 = 0.000001388889 kWh.