Energy Converter
Convert between different units of energy measurement with ease.
Common Conversions
1 Joule = 0.239006 Calories
1 Calorie = 4.184 Joules
1 Kilowatt-hour = 3,600,000 Joules
1 BTU = 1,055.06 Joules
1 Foot-pound = 1.35582 Joules
1 Electronvolt = 1.60218 × 10⁻¹⁹ Joules
Energy Categories
Small Energy
Lifting an apple: ~1 J | Human heartbeat: ~1 J | LED light: ~1 J/s
Medium Energy
Daily food intake: ~2000 kcal | Car battery: ~1 kWh | Household daily use: ~30 kWh
Large Energy
Lightning bolt: ~1 GJ | Nuclear bomb: ~1 TJ | Annual US energy: ~100 EJ
Common Energy Examples
Daily Activities
Walking 1 km: ~300 kJ | Sleeping 8 hours: ~2,000 kJ | Running 1 hour: ~3,000 kJ
Household
LED bulb (1 hour): ~0.01 kWh | Washing machine: ~1 kWh | AC unit (1 hour): ~3 kWh
Transportation
Car (100 km): ~80 kWh | Electric bike (100 km): ~1 kWh | Train (100 km): ~100 kWh