Convert between energy units including Joule, kilowatt-hour, BTU, calories, and electron volts. Perfect for physics, engineering, energy consumption analysis, and scientific calculations.
Enter an energy value and select units to convert between different energy measurements
Follow these simple steps to convert between different energy measurements
Input the energy value you want to convert in the energy value field.
Choose your source energy unit and target unit from the dropdown menus.
Click convert to see the instant conversion result with precision.
Professional-grade features for accurate energy unit conversions
Get immediate conversion results with real-time calculation as you enter values.
All conversions performed locally - your energy data never leaves your device.
Accurate conversions using standard energy factors for scientific precision.
Supports all common energy units used in physics, engineering, and scientific applications.
Fully responsive design works perfectly on smartphones, tablets, and desktops.
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Quick reference for frequently used energy unit conversions
| Application | Joule | kWh | Usage |
|---|---|---|---|
| Light Bulb (1 hour) | 216,000 J | 0.06 kWh | Home lighting |
| Car Battery | 1,800,000 J | 0.5 kWh | Automotive power |
| House (daily) | 108,000,000 J | 30 kWh | Household consumption |
Get answers to common questions about energy conversion and physics calculations
Our energy converter uses precise conversion factors and provides highly accurate results for all energy units with scientific precision for engineering and physics applications.
You can convert between Joule, kWh, BTU, calories, and many other energy units with instant calculations for all scientific and engineering applications.
Simply select 'Joule (J)' as your 'from' unit and 'Kilowatt Hour (kWh)' as your 'to' unit, then enter your energy value for instant conversion.
Yes, this converter supports all common energy units used in physics, engineering, energy consumption analysis, and scientific research with professional accuracy.
No, all conversions are performed locally in your browser. Your energy data is completely private and not stored on our servers.
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