Energy Conversion Calculator

About Energy Conversion Calculator

Energy Converter — convert between Joules, calories, kWh, BTU and more. Helpful for cooking, appliance specs, and physics calculations.

How to use

  1. Enter the energy value.
  2. Select source and target units (J, cal, kWh, BTU).
  3. Click Convert to see results.

Examples

1 kWh = 3.6×106 J; 1 calorie ≈ 4.184 J.

FAQs

When should I use kWh vs J?
kWh is convenient for electrical billing; Joules are used for precise scientific calculations.

For appliance comparisons, use kWh; for lab work, prefer Joules or calories as appropriate.

Disclaimer

The calculators on A2ZCalculate.com are for informational purposes only. We do not guarantee accuracy and recommend verifying results independently. Consult a professional for personalized advice. A2ZCalculate.com is not responsible for any errors or actions taken based on the information provided.