Energy Converter
Understanding Energy Conversion
Energy measures the capacity to do work. The metric system uses joules and kilocalories, while US Customary uses BTUs. Kilowatt-hours measure electrical energy.
Key Conversions
- 1 kcal = 4.184 kJ
- 1 BTU = 1.055 kJ
- 1 kWh = 3.6 MJ
💡 Tips
- A calorie is the energy to heat 1g of water by 1°C
- BTU is commonly used for heating/cooling
- 1 kWh = 1000 watts for 1 hour