Kilojoules to Joules Converter

Convert Kilojoules to Joules with this free calculator. Type any value to convert it instantly, or use the conversion table below for common amounts.

Kilojoules and Joules are both units used in the Energy Converter. This page converts between the two, shows the exact conversion factor and gives a table of the values people look up most often.

kj to joules conversion table

Kilojoules	Joules
1 kj	1000 joules
2 kj	2000 joules
5 kj	5000 joules
10 kj	10000 joules
25 kj	25000 joules
50 kj	50000 joules
100 kj	100000 joules
500 kj	500000 joules
1,000 kj	1000000 joules

How it is calculated

Result = value in Kilojoules × 1000
So 1 kj = 1000 joules.

Common kj to joules conversions

1 kj = 1000 joules
5 kj = 5000 joules
10 kj = 10000 joules
25 kj = 25000 joules
50 kj = 50000 joules
100 kj = 100000 joules

Related conversions

Other conversions from the same Energy Converter:

joules to kj joules to calories joules to kcal joules to wh joules to kwh kj to calories kj to kcal kj to wh All conversions

Frequently asked questions

How do I convert Kilojoules to Joules?

Multiply the Kilojoules value by 1000. For example, 10 kj = 10000 joules.

What is 10 kj in joules?

10 kj equals 10000 joules.

Is the Kilojoules to Joules converter accurate?

Yes. The conversion uses the internationally defined conversion factor between these units, so the result is exact at the precision shown.