1 kJ in joules

1 kilojoule = 1,000 joules

1 kJ in joules: 1 kilojoule = 1,000 joules. Change the value or the units in the converter below – the result updates instantly.

1 kJ = 1,000 J

How to convert kJ to joules

To convert kJ to joules, multiply the value by 1,000 (or divide it by 0.001).

Step by step: 1 kJ to joules

1 kJ × 1,000 = 1,000 J

kJ to joules: values near 1

kJ J
0.5 kJ 500 J
1 kJ 1,000 J
1.5 kJ 1,500 J
2 kJ 2,000 J
2.5 kJ 2,500 J
3 kJ 3,000 J
4 kJ 4,000 J

Good to know

1 kilocalorie (a food Calorie) = 4.184 kilojoules and 1 kWh = 3,600 kJ.

Frequently asked questions

What is 1 kJ in joules?

1 kilojoule = 1,000 joules.

How do I convert kJ to joules?

To convert kJ to joules, multiply the value by 1,000 (or divide it by 0.001).

How many kilojoules are in 1 joule?

1 joule = 0.001 kilojoules.

What is 1 kJ in joules, rounded?

Rounded to two decimal places: 1 kilojoule ≈ 1,000 joules.

joules to kJ

Need the opposite direction? Use the joules to kJ converter.

Other conversions from kJ