Kilojoule to Joule Converter
kJ → J
Convert between joules, calories, BTU, kWh, and more energy units. Perfect for physics, nutrition, and electricity calculations.
Convert Kilojoule to Joule
How to Convert Kilojoule to Joule
Enter a value above, select your units, and get instant results. Works both ways — Kilojoule to Joule or Joule to Kilojoule.
Formula: Joule = Kilojoule × 1,000
Quick steps
- Enter the value you want to convert in the "Kilojoule" field.
- Select "Kilojoule" as your "From" unit.
- Select "Joule" as your "To" unit.
- The converted result appears instantly in the "Joule" field.
- To reverse the conversion, enter a value in the "Joule" field instead.
Common Kilojoule to Joule Conversions
| Kilojoule | Joule |
|---|---|
| 1 | 1,000 |
| 5 | 5,000 |
| 10 | 10,000 |
| 25 | 25,000 |
| 50 | 50,000 |
| 100 | 100,000 |
Frequently Asked Questions
Multiply your kilojoule value by 1,000. For example, 10 kJ = 10,000 J.
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