Convert kilojoules to Wh

Kilojoules to watt hours. Enter a value to convert, or use the kilojoules to Wh chart further down the page.

1 kJ = 0.2777777778 Wh

1 kilojoule equals 0.2777777778 watt hours. Going the other way, 1 watt hour = 3.6 kilojoules.

How to convert kilojoules to Wh

To convert kilojoules to watt hours, multiply the kilojoule value by 0.2777777778. You can also divide by 3.6 to get the same answer.

Wh = kJ × 0.2777777778

Convert 15 kJ to watt hours:

15 kJ = 4.166666667 Wh

Use this kilojoules to Wh table for quick reference without typing anything.

The kilojoule is 1,000 joules and is the food-energy unit on nutrition labels outside the United States.

A watt hour is exactly 3,600 joules — the energy used by a one-watt device in one hour. Battery capacity is rated in watt hours.

How many Wh are in a kilojoule?

1 kilojoules equals 0.2777777778 Wh. Going the other way, 1 Wh is 3.6 kilojoules.

How do you convert kilojoules to Wh?

To convert kilojoules to watt hours, multiply the kilojoule value by 0.2777777778. You can also divide by 3.6 to get the same answer.

What is 10 kilojoules in Wh?

10 kilojoules equals 2.777777778 Wh. The conversion chart on this page lists the other values people look up most often.