kilojoules to joules

Free online kilojoules to joules converter, type a value and get the result instantly. No signup, works offline in your browser.

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All calculations run locally in your browser, nothing is uploaded.

Conversion formula

1 kJ = 1000 J

How to convert kilojoules to joules step by step

  1. Write down the value you want to convert in kilojoules.
  2. Multiply it by the conversion factor: 1000 (because 1 kJ = 1000 J).
  3. The result is your value in joules. Example: 10 kJ × 1000 = 10000 J.

Tip: to go the other way, divide by the factor, or use the joules to kilojoules converter.

kilojoules to joules conversion table

kilojoules (kJ)joules (J)
0.1 kJ100 J
0.25 kJ250 J
0.5 kJ500 J
1 kJ1000 J
2 kJ2000 J
3 kJ3000 J
4 kJ4000 J
5 kJ5000 J
6 kJ6000 J
8 kJ8000 J
10 kJ10000 J
15 kJ15000 J
20 kJ20000 J
25 kJ25000 J
30 kJ30000 J
40 kJ40000 J
50 kJ50000 J
60 kJ60000 J
75 kJ75000 J
100 kJ100000 J
120 kJ120000 J
122 kJ122000 J
146 kJ146000 J
150 kJ150000 J
190 kJ190000 J
200 kJ200000 J
250 kJ250000 J
300 kJ300000 J
400 kJ400000 J
500 kJ500000 J
600 kJ600000 J
750 kJ750000 J
800 kJ800000 J
1000 kJ1.0000e+06 J
1500 kJ1.5000e+06 J
1810 kJ1.8100e+06 J
1930 kJ1.9300e+06 J
2000 kJ2.0000e+06 J
2500 kJ2.5000e+06 J
3000 kJ3.0000e+06 J
4000 kJ4.0000e+06 J
5000 kJ5.0000e+06 J
7500 kJ7.5000e+06 J
10000 kJ1.0000e+07 J
10500 kJ1.0500e+07 J

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FAQ

How do I convert kilojoules to joules?

Type a value in kilojoules in the converter above, the equivalent in joules is calculated instantly. 1 kJ equals 1000 J.

What is the formula to convert kilojoules to joules?

Multiply the value in kilojoules by 1000 to get the value in joules.

How many joules are in 1 kilojoules?

There are 1000 joules in 1 kJ.

How do I convert joules back to kilojoules?

Divide the value in joules by 1000, or use the swap button (⇄) in the converter above.

What does kJ stand for?

kJ is the standard abbreviation for kilojoules. E.g. 1 kJ = 1000 J.

What does J stand for?

J is the standard abbreviation for joules.