Convert Between Units of Energy
Energy unit conversions are common in mechanical, thermal, and electrical engineering.
About Energy Conversions
Helpful context and notes for converting Energy units.
Energy unit conversions are common in mechanical, thermal, and electrical engineering.
Energy values may be reported in joules, BTU, kilowatt-hours, or other application-specific units.
Energy conversions often tie into power and time assumptions. Verify all related units when performing calculations or reporting results.
Frequently Asked Questions
Fun Fact
One byte can store a single character, like the letter 'A'. It is the digital equivalent of saying 'hi' - tiny, but it starts the whole conversation.
Supported Units
Common and engineering-specific units supported for this conversion.
- BTU (British Thermal Units)
- cal (Calories)
- cJ (centijoules)
- daJ (decajoules)
- dJ (decijoules)
- eV (Electron Volts)
- erg (Ergs)
- ft-lb (Foot Pound-forces)
- GJ (gigajoules)
- hJ (hectojoules)
- HPh (Horse Power Hours)
- J (joules)
- Cal (Kilo-calories)
- kJ (kilojoules)
- MJ (megajoules)
- μJ (microjoules)
- mJ (millijoules)
- nJ (nanojoules)
- pJ (picojoules)
- TJ (terajoules)
- thm (Therms)
- Wh (Watt-hours)
Unit Categories
Explore the types of units you can convert on this site.