Energy Converter
Use the Energy Converter to convert joules, calories, watt-hours, kilowatt-hours, and BTU quickly on mobile or desktop.
Energy Converter
Tool inputs are not stored, and private values stay out of analytics.
Result
How it works
Enter a value, choose the source and destination units, then run the Energy Converter to see the result and conversion path.
The tool works by converting each unit through joules with fixed published relationships. Conversion runs locally in the browser, and entered values are not sent to analytics or stored in the database.
Examples
Practical example
1 kWh converts to 3,600,000 joules.
Unit check
Confirm unit names and symbols, especially bits versus bytes and US versus imperial gallons.
FAQ
How do I use the Energy Converter?
Enter a value, select the From and To units, then convert.
Can it convert negative values?
Yes for linear units that allow them; fuel economy requires a positive value.
Is the entered value stored?
No. Conversion runs in the browser and input values are not stored.