Energy Converter – Joules, Calories, kWh, BTU & More

🔌 Energy Converter

Choose energy units and enter a value to convert between Joules, Kilojoules, Calories, BTU, Therms, and kWh.

Conversion Chart (Base: 1 J):

1 J = 0.000278 kWh
1 J = 0.239 cal
1 J = 0.0009478 BTU
1 J = 9.4804e-9 Therm

Energy Converter Calculator – Convert Energy Units Easily

The Energy Converter Calculator by WittyTools helps you quickly convert between common energy units such as Joules, Calories, kilojoules, kilowatt-hours, BTU, and Therms. It is useful for students, engineers, researchers, and anyone working with energy measurements.

Simply enter an energy value and select the units you want to convert from and to. The calculator will instantly provide accurate results, making unit conversions fast and hassle-free.

How to Use This Tool

Enter the energy value
Select the source and target units
Click the “Convert Energy” button
View the converted energy value instantly

Frequently Asked Questions

Is this energy converter free? Yes, it is completely free to use.

Does it support multiple units? Yes, a wide range of energy units are supported.

Is my data stored? No, all conversions happen directly in your browser.