Radiant Energy Converter
Result:
Supported units
Convert between joule (J), kilojoule (kJ), watt-hour (Wh), kilowatt-hour (kWh), and erg. Exact relationships are used, including 1 Wh = 3600 J.
Popular pairs
- J <-> kJ
- J <-> Wh
- Wh <-> kWh
How to use
Pick your from/to units using the search boxes, enter a value, and the result updates instantly. Use the copy button to grab the output.
Related converters
- Energy Converter (joule, calorie, BTU)
- Power Converter (watt, horsepower)
- Luminous Energy Converter
Radiant Energy Converter FAQ
Are the conversions exact?
Yes. We use exact relationships like 1 Wh = 3600 J and apply SI prefixes precisely.
Can I convert between joule and watt-hour?
Yes. Enter your value in joule and select watt-hour as the target (or vice versa); results update instantly as you type.
Does this handle very small or very large energy values?
Yes. You can convert down to erg or up to kilowatt-hour with high precision using Decimal arithmetic.