Convert Wh to megajoules

Watt hours to megajoules. Enter a value to convert, or use the Wh to megajoules chart further down the page.

1 Wh = 0.0036 MJ

1 watt hour equals 0.0036 megajoules. Going the other way, 1 megajoule = 277.7777778 watt hours.

How to convert Wh to megajoules

To convert watt hours to megajoules, multiply the watt hour value by 0.0036. You can also divide by 277.7777778 to get the same answer.

MJ = Wh × 0.0036

Convert 15 Wh to megajoules:

15 Wh = 0.054 MJ

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

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.

The megajoule (MJ) is a unit of energy equal to 1000000 joules.

How many megajoules are in a watt hour?

1 Wh equals 0.0036 megajoules. Going the other way, 1 megajoules is 277.7777778 Wh.

How do you convert Wh to megajoules?

To convert watt hours to megajoules, multiply the watt hour value by 0.0036. You can also divide by 277.7777778 to get the same answer.

What is 10 Wh in megajoules?

10 Wh equals 0.036 megajoules. The conversion chart on this page lists the other values people look up most often.