kJ → MJ converter

Convert kilojoules to megajoule (Energy)

1 kJ = 0.001 MJ · 1 MJ = 1000 kJ

Common values: 10 kJ 50 kJ 100 kJ 500 kJ 1000 kJ

500 kJ = 0.5 MJ

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Kilojoules to megajoule Conversion

1 kilojoules (kJ) is equal to 0.001 megajoule (MJ).

1 kJ = 0.001 MJ

or

1 MJ = 1000 kJ

Formula

To convert a energy from kilojoules (kJ) to megajoule (MJ), divide the energy in kilojoules by 1000

e(MJ) = e(kJ) / 1000

Examples:

Convert 500 kilojoules to megajoule:

e(MJ) = 500kJ / 1000 = 0.5 MJ

Conversion table

Kilojoules (kJ) Megajoule (MJ)
1 kJ 0.001 MJ
2 kJ 0.002 MJ
3 kJ 0.003 MJ
5 kJ 0.005 MJ
10 kJ 0.01 MJ
20 kJ 0.02 MJ
25 kJ 0.025 MJ
50 kJ 0.05 MJ
100 kJ 0.1 MJ
250 kJ 0.25 MJ
500 kJ 0.5 MJ
1000 kJ 1 MJ
Megajoule (MJ) Kilojoules (kJ)
1 MJ 1000 kJ
2 MJ 2000 kJ
3 MJ 3000 kJ
5 MJ 5000 kJ
10 MJ 10000 kJ
20 MJ 20000 kJ
25 MJ 25000 kJ
50 MJ 50000 kJ
100 MJ 100000 kJ
250 MJ 250000 kJ
500 MJ 500000 kJ
1000 MJ 1000000 kJ

Frequently asked questions

How do I convert kilojoules to megajoule?

Divide the value in kilojoules by 1000 to get the result in megajoule. For example, 5 kJ ÷ 1000 = 0.005 MJ.

How many megajoule are in 1 kilojoules?

1 kilojoules (kJ) is equal to 0.001 megajoule (MJ).

How do I convert megajoule back to kilojoules?

Use the inverse operation: multiply the value in megajoule by 1000 to get the result in kilojoules.

How accurate is the kilojoules to megajoule conversion?

The converter multiplies by the conversion factor 1000 and rounds the result to 9 decimal places by default. You can increase or reduce the precision with the digits option on this page.

Sources

Conversion factors are based on internationally recognised standards:

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