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Convert megajoule to watt second

Here you can quickly calculate how many watt second fit in one megajoule.

- scroll: formula · table · questions -

  • 1 MJ = 1000000 Ws
  • 1 Ws = 0.000001 MJ

Megajoule to watt second conversion table

megajoule watt second
1 1000000
2 2000000
5 5000000
10 10000000
20 20000000
50 50000000
100 100000000

Formula to convert megajoule to watt second

To convert megajoule to watt second, multiply by 1000000.

1 MJ = 1000000 Ws
Example: 1 megajoule = 1000000 watt second

Common mistakes

  • The relationship is exact: 1 kWh = 3.6 MJ (3,600 kJ, because an hour has 3,600 seconds). The common slip is dividing when you should multiply: 10 kWh is 36 MJ, not 2.8. Remember the direction: kWh → MJ means times 3.6.

Quick megajoule to/from watt second conversion quiz

Score: 0

50 megajoule equals 5.0e+7 watt second.

Correct answer: 50 megajoule = 5.0e+7 watt second.

1 watt second equals 1.0e-6 megajoule.

Correct answer: 1 watt second = 1.0e-6 megajoule.

20 megajoule equals 2.0e+6 watt second.

Correct answer: 20 megajoule = 2.0e+7 watt second.

100 watt second equals 0.0001 megajoule.

Correct answer: 100 watt second = 0.0001 megajoule.

2 watt second equals 2.0e-6 megajoule.

Correct answer: 2 watt second = 2.0e-6 megajoule.

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