Joule to Kilowatt-hour Converter (J to kWh)

Q: What is the formula to convert Joule to Kilowatt-hour?

The formula is: Kilowatt-hour = Joule x 0.0000002777778. Multiply any Joule value by 0.0000002777778 to get the equivalent in Kilowatt-hour.

Q: Is Joule bigger or smaller than Kilowatt-hour?

Joule is smaller than Kilowatt-hour. 1 Kilowatt-hour = 3599999.71200002 J.

Joule (J)	Kilowatt-hour (kWh)
0.1 J	2.777778e-08 kWh
0.5 J	1.388889e-07 kWh
1 J	2.777778e-07 kWh
2 J	5.555556e-07 kWh
5 J	1.388889e-06 kWh
10 J	2.777778e-06 kWh
20 J	5.555556e-06 kWh
50 J	0.00001389 kWh
100 J	0.00002778 kWh
200 J	0.00005556 kWh
500 J	0.00013889 kWh
1000 J	0.00027778 kWh
5000 J	0.00138889 kWh
10000 J	0.00277778 kWh

Joule (J)

Kilowatt-hour (kWh)

0.1 J

2.777778e-08 kWh

0.5 J

1.388889e-07 kWh

1 J

2.777778e-07 kWh

2 J

5.555556e-07 kWh

5 J

1.388889e-06 kWh

10 J

2.777778e-06 kWh

20 J

5.555556e-06 kWh

50 J

0.00001389 kWh

100 J

0.00002778 kWh

200 J

0.00005556 kWh

500 J

0.00013889 kWh

1000 J

0.00027778 kWh

5000 J

0.00138889 kWh

10000 J

0.00277778 kWh

How to Convert Joule to Kilowatt-hour

Formula: Kilowatt-hour = Joule × 2.777778e-07

Example: 1 J = 2.777778e-07 kWh

You can also use the interactive converter above. Simply enter any Joule value and the equivalent Kilowatt-hour value will appear instantly. Click the ⇄ button to reverse the conversion.

To get more out of this conversion, it helps to know where Joule and Kilowatt-hour actually show up in daily life, plus the quick facts people usually search for.

What is Joule and Kilowatt-hour?

A Joule (J) is the SI unit of energy, used as the scientific standard for measuring work and heat.

A Kilowatt-hour (kWh) is the standard unit used to measure and bill electricity consumption.

Real World Uses of Joule to Kilowatt-hour Conversion

Joule: Commonly used for appearing on nutrition labels in some countries alongside kilojoules.
Kilowatt-hour: Commonly used for rating solar panel and battery energy production.

Frequently Asked Questions

What is the formula to convert Joule to Kilowatt-hour?

The formula is: Kilowatt-hour = Joule x 0.0000002777778. Multiply any Joule value by 0.0000002777778 to get the equivalent in Kilowatt-hour.

What is 1 Joule in Kilowatt-hour?

1 J = 0.0000002777778 kWh.

How many Joule are in 1 Kilowatt-hour?

1 kWh = 3599999.71200002 J.

Is Joule bigger or smaller than Kilowatt-hour?

Joule is smaller than Kilowatt-hour. 1 Kilowatt-hour = 3599999.71200002 J.