Converters
Energy Converter
Energy Converter converts values between joules, calories, BTU and kilowatt-hours, among other units. Use it to compare energy quantities for appliances, scientific calculations, or heating and cooling assessments.
Tool workspace
Energy Converter
Quick guide
How to use
1. Enter or paste your data into Energy Converter. 2. Choose the relevant options. 3. Review, copy, or download the result.
Details
About this tool
Energy Converter converts values between joules, calories, BTU and kilowatt-hours, among other units. Use it to compare energy quantities for appliances, scientific calculations, or heating and cooling assessments. The functional interface is kept at the top so you can complete the task before reading further guidance.
Supported units and conversions
Energy Converter converts between joules, kilojoules, calories, kilocalories, watt-hours, kilowatt-hours, and BTU. Choose the source unit first, then the target unit. Keep an eye on decimal versus binary storage units and on temperature scales, which are not converted with a simple multiplier.
Practical inputs
Examples JSON
Example
Input: enter a representative value for your task.
Result: review the output before using it.
Help
Frequently asked questions
Which unit should I select first?
Select the unit used by your original value, then the unit you need. The result updates from the defined conversion relationship.