Joule to Kilowatt-hour

1 J = 2.777778e-7 kWh

One joule equals 2.777778e-7 kilowatt-hours, and one kilowatt-hour equals 3,600,000 joules.

Joule to Kilowatt-hour formula

kWh = J × 2.777778e-7

To convert joules to kilowatt-hours, multiply the value by 2.777778e-7. One joule equals 2.777778e-7 kilowatt-hours.

Step-by-step examples

Convert 1 joules to kilowatt-hours

  1. 1Start with the value in joules: 1 J.
  2. 2Multiply by the conversion factor 2.777778e-7.
  3. 31 × 2.777778e-7 = 2.777778e-7 kWh.

Result: 1 J = 2.777778e-7 kWh

Convert 10 joules to kilowatt-hours

  1. 1Start with the value in joules: 10 J.
  2. 2Multiply by the conversion factor 2.777778e-7.
  3. 310 × 2.777778e-7 = 0.000003 kWh.

Result: 10 J = 0.000003 kWh

Convert 100 joules to kilowatt-hours

  1. 1Start with the value in joules: 100 J.
  2. 2Multiply by the conversion factor 2.777778e-7.
  3. 3100 × 2.777778e-7 = 0.000028 kWh.

Result: 100 J = 0.000028 kWh

Joule to Kilowatt-hour conversion table

Joule (J)Kilowatt-hour (kWh)
0.012.777778e-9
0.12.777778e-8
0.51.388889e-7
12.777778e-7
25.555556e-7
38.333333e-7
40.000001
50.000001
100.000003
200.000006
250.000007
500.000014
1000.000028
2500.000069
5000.000139
10000.000278

Joule to Kilowatt-hour chart

06.94e-70.000001390.000002080.000002780 J10 J

J (horizontal) vs kWh (vertical)

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Reverse: Kilowatt-hour to Joule

Frequently asked questions

How many kilowatt-hours are in a joule?

There are 2.777778e-7 kilowatt-hours in one joule (1 J = 2.777778e-7 kWh).

How do you convert joules to kilowatt-hours?

To convert joules to kilowatt-hours, multiply the value by 2.777778e-7. One joule equals 2.777778e-7 kilowatt-hours.

What is 10 joules in kilowatt-hours?

10 joules equals 0.000003 kilowatt-hours.

How many joules are in a kilowatt-hour?

One kilowatt-hour equals 3,600,000 joules (1 kWh = 3,600,000 J).