Kilojoules to Joules
1 kJ = 1,000 J. Edit either value to convert instantly.
Conversion formula
J = kJ × (1,000) × (1)1 kJ = 1,000 J
kilojoule (kJ)
Kilojoule is a unit of energy: 1 kJ = 1,000 J.
Source: BIPM, The International System of Units (SI), 9th edition
joule (J)
One joule is the work done by a force of 1 newton moving an object 1 meter along the force: 1 J = 1 N·m.
Source: BIPM, The International System of Units (SI), 9th edition
Conversion table
| kJ | J |
|---|---|
| = 1,000 | |
| = 2,000 | |
| = 5,000 | |
| = 10,000 | |
| = 15,000 | |
| = 20,000 | |
| = 25,000 | |
| = 30,000 | |
| = 40,000 | |
| = 45,000 |
| kJ | J |
|---|---|
| = 50,000 | |
| = 60,000 | |
| = 70,000 | |
| = 80,000 | |
| = 90,000 | |
| = 100,000 | |
| = 150,000 | |
| = 160,000 | |
| = 170,000 | |
| = 180,000 |
Frequently asked questions
How many joules are in 1 kilojoule?
1 kJ = 1,000 J. J = kJ × (1,000) × (1)
How do I convert kJ to J?
J = kJ × (1,000) × (1)
Is 1 kilojoule bigger than 1 joule?
1 kJ = 1,000 J.
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