Energy converter

Convert joules, kWh and kilocalories.

Ready when you are On-device processing

YOUR RESULT

Enter your details to get a result.

Your input stays in this browser. No account needed.

THE QUICK GUIDE

How to use energy converter

Enter your text, then choose the input and output units and convert. Copy or download the result.

Uses joules as the base unit; kcal means thermochemical kilocalories.

1 Joules to Kilojoules → 0.001 Kilojoules

Conversions use fixed factors. Displayed results are rounded.