MJ → kJ converter

Convert megajoule to kilojoules (Energy)

1 MJ = 1000 kJ · 1 kJ = 0.001 MJ

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

500 MJ = 500000 kJ

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Megajoule to kilojoules Conversion

1 megajoule (MJ) is equal to 1000 kilojoules (kJ).

1 MJ = 1000 kJ

or

1 kJ = 0.001 MJ

Formula

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

e(kJ) = e(MJ) × 1000

Examples:

Convert 500 megajoule to kilojoules:

e(kJ) = 500MJ × 1000 = 500000 kJ

Conversion table

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
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

Frequently asked questions

How do I convert megajoule to kilojoules?

Multiply the value in megajoule by 1000 to get the result in kilojoules. For example, 5 MJ × 1000 = 5000 kJ.

How many kilojoules are in 1 megajoule?

1 megajoule (MJ) is equal to 1000 kilojoules (kJ).

How do I convert kilojoules back to megajoule?

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

How accurate is the megajoule to kilojoules 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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