Watt-hours to Megajoules Converter
Convert watt-hours (Wh) to megajoules (MJ)
Result
0.0036 MJ
Megajoules
1 Wh = 0.0036 MJ
1 Wh in other units
- 1Enter a valueType the number to convert
- 2Pick the unitsChoose what to convert from and to
- 3Read the resultSee it in every other unit too
How to convert watt-hours to megajoules
One watt-hour equals 0.0036 megajoules, so multiply the number of watt-hours by 0.0036.
MJ = Wh × 0.0036
1 Wh = 0.0036 MJ · 1 MJ = 277.7778 Wh
Worked example
To convert 5 watt-hours to megajoules: 5 Wh × 0.0036 = 0.018 MJ.
About watt-hours (Wh)
A watt-hour is the energy of one watt for one hour (3,600 J), used for battery capacity.
About megajoules (MJ)
A megajoule is 1,000,000 J, used for fuel energy content.
More conversions
Watt-hours to other units
Frequently asked questions
How many megajoules are in one watt-hour?
One watt-hour equals 0.0036 megajoules.
How many watt-hours are in one megajoule?
One megajoule equals 277.7778 watt-hours.
How do I convert watt-hours to megajoules?
Use the formula MJ = Wh × 0.0036. For example, 5 Wh × 0.0036 = 0.018 MJ.