How to convert joules to kJ
To convert joules to kJ, multiply the value by 0.001 (or divide it by 1,000).
Step by step: 20 joules to kJ
20 J × 0.001 = 0.02 kJ
joules to kJ: values near 20
| J | kJ |
|---|---|
| 15 J | 0.015 kJ |
| 16 J | 0.016 kJ |
| 17 J | 0.017 kJ |
| 18 J | 0.018 kJ |
| 19 J | 0.019 kJ |
| 20 J | 0.02 kJ |
| 21 J | 0.021 kJ |
| 22 J | 0.022 kJ |
| 23 J | 0.023 kJ |
| 24 J | 0.024 kJ |
| 25 J | 0.025 kJ |
Good to know
1 kilocalorie (a food Calorie) = 4.184 kilojoules and 1 kWh = 3,600 kJ.
Frequently asked questions
What is 20 joules in kJ?
20 joules = 0.02 kilojoules.
How do I convert joules to kJ?
To convert joules to kJ, multiply the value by 0.001 (or divide it by 1,000).
How many joules are in 1 kilojoule?
1 kilojoule = 1,000 joules.
What is 20 joules in kJ, rounded?
Rounded to two decimal places: 20 joules ≈ 0.02 kilojoules.
kJ to joules
Need the opposite direction? Use the kJ to joules converter.