Energy Converter
The energy converter allows you to quickly and accurately convert between the most common units of energy. Whether you're working with joules, calories, kilowatt-hours, or BTUs, this tool handles the math instantly.
Energy conversions are essential in physics, nutrition, engineering, and everyday life. With different fields using different energy units — calories in food, kWh on electricity bills, joules in physics — having a reliable converter saves time and prevents errors.
How it works
Energy conversions use standardized factors. All units are converted through a base unit (Joules). For example: 1 kcal = 4,184 J, 1 kWh = 3,600,000 J, 1 BTU = 1,055.06 J. To convert between any two units, the value is first converted to J, then to the target unit.
Use cases
- Converting food energy between calories and kilojoules for nutrition tracking
- Converting electricity consumption between kWh and joules for energy analysis
- Converting thermal energy between BTU and kJ for HVAC engineering
- Converting scientific measurements between joules and electronvolts in physics research