Energy Converter

Convert joules, calories, kilowatt-hours, BTU and other energy units.

What the energy converter shows

• Joules
• Calories
• kWh
• BTU

Formula and assumptions

Results are estimates based on the values you enter. Where useful, Calc Studio shows formulas, steps, tables or breakdowns so you can understand the answer.

Feedback helps improve accuracy and usability. Send suggestions, incorrect-result examples or missing-calculator requests to feedback@calcstudioapp.com.