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Convert watt second to megajoule

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

- scroll: formula · table · questions -

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

Watt second to megajoule conversion table

watt second megajoule
1 0.000001
2 0.000002
5 0.000005
10 0.00001
20 0.00002
50 0.00005
100 0.0001

Formula to convert watt second to megajoule

To convert watt second to megajoule, divide by 1000000.

1 Ws = 0.000001 MJ
Example: 1 watt second = 0.000001 megajoule

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 watt second to/from megajoule conversion quiz

Score: 0

2 megajoule equals 2.0e+7 watt second.

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

100 megajoule equals 5.0e+8 watt second.

Correct answer: 100 megajoule = 1.0e+8 watt second.

20 megajoule equals 2.0e+7 watt second.

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

20 megajoule equals 1.0e+8 watt second.

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

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