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Joules to Kilowatt-hours

Convert joules (J) to kilowatt-hours (kWh). Type in either box; the other updates as you go.

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1 J = 2.7777778 × 10⁻⁷ kWh

1 joule equals2.777777778 × 10⁻⁷ kWh
1 kilowatt-hour equals3,600,000 J
FormulakWh = J ÷ 3,600,000

How to convert joules to kilowatt-hours

To convert joules to kilowatt-hours, divide the number of joules by 3,600,000.

kWh = J ÷ 3,600,000

Example

Convert 50,000 joules to kilowatt-hours:

50,000 J ÷ 3,600,000 = 0.0138889 kWh

Joule to kilowatt-hour conversion chart

Joules (J)Kilowatt-hours (kWh)
10,000 J0.002777778 kWh
20,000 J0.005555556 kWh
30,000 J0.008333333 kWh
40,000 J0.01111111 kWh
50,000 J0.01388889 kWh
60,000 J0.01666667 kWh
70,000 J0.01944444 kWh
80,000 J0.02222222 kWh
90,000 J0.025 kWh
100,000 J0.02777778 kWh
120,000 J0.03333333 kWh
150,000 J0.04166667 kWh
200,000 J0.05555556 kWh
250,000 J0.06944444 kWh
300,000 J0.08333333 kWh
400,000 J0.1111111 kWh
500,000 J0.1388889 kWh
600,000 J0.1666667 kWh
700,000 J0.1944444 kWh
750,000 J0.2083333 kWh
800,000 J0.2222222 kWh
900,000 J0.25 kWh
1,000,000 J0.2777778 kWh
1,500,000 J0.4166667 kWh
2,000,000 J0.5555556 kWh
2,500,000 J0.6944444 kWh
5,000,000 J1.388889 kWh
10,000,000 J2.777778 kWh

Going the other way? See the kilowatt-hours to joules chart.

About the units

Joule (J)

The joule is the SI unit of energy: the work done by a force of one newton over one meter.

Kilowatt-hour (kWh)

A kilowatt-hour is 1,000 watt-hours, or 3.6 million joules. Electricity bills charge by the kWh.

Frequently asked questions

How many kilowatt-hours are in a joule?

There are 2.777777778 × 10⁻⁷ kilowatt-hours in a joule.

How many joules are in a kilowatt-hour?

There are 3,600,000 joules in a kilowatt-hour.

How do you convert joules to kilowatt-hours?

To convert joules to kilowatt-hours, divide the number of joules by 3,600,000.

What is 50,000 joules in kilowatt-hours?

50,000 joules equals 0.0138889 kilowatt-hours.

Convert between joules, calories, kilocalories, kilowatt-hours and BTU. Open the energy converter to see a value in every unit at once.