Convert kilojoules to joules

Kilojoules to joules. Enter a value to convert, or use the kilojoules to joules chart further down the page.

1 kJ = 1,000 J

1 kilojoule equals 1,000 joules. Going the other way, 1 joule = 0.001 kilojoules.

How to convert kilojoules to joules

To convert kilojoules to joules, multiply the kilojoule value by 1000. You can also divide by 0.001 to get the same answer.

J = kJ × 1000

Convert 15 kJ to joules:

15 kJ = 15,000 J

Use this kilojoules to joules table for quick reference without typing anything.

The kilojoule is 1,000 joules and is the food-energy unit on nutrition labels outside the United States.

The joule is the SI unit of energy: the work done by a force of one newton acting over one meter.

How many joules are in a kilojoule?

1 kilojoules equals 1,000 joules. Going the other way, 1 joules is 0.001 kilojoules.

How do you convert kilojoules to joules?

To convert kilojoules to joules, multiply the kilojoule value by 1000. You can also divide by 0.001 to get the same answer.

What is 10 kilojoules in joules?

10 kilojoules equals 10,000 joules. The conversion chart on this page lists the other values people look up most often.