Supported Energy & Work Units
- Joule (J): Base SI unit of energy.
- Kilocalorie (kcal / Cal): 4,184 Joules — standard food nutrition calorie.
- Kilowatt-hour (kWh): 3.6 million Joules — electricity bill utility metric.
- BTU: 1,055.06 Joules — heating and AC capacity.
How Energy & Work Conversion Works
1 food Calorie (kcal) = 4.184 kJ (4,184 J). 1 kWh = 3,600,000 Joules.
Frequently Asked Questions
How many Joules are in 1 calorie?
1 thermochemical calorie equals 4.184 Joules. 1 food kcal equals 4,184 Joules.