BTU to Energy Converter Calculator
Convert British Thermal Units (BTU) to other energy units instantly
Joules (J)
1,055,060
Kilowatt Hours (kWh)
0.293
Calories (cal)
252.164
Understanding British Thermal Units (BTU)
What is a BTU?
A British Thermal Unit (BTU) is a traditional unit of heat energy defined as the amount of heat required to raise the temperature of one pound of water by one degree Fahrenheit at sea level.
Common Applications
BTUs are commonly used in:
- HVAC system ratings
- Appliance energy efficiency
- Natural gas billing
- Heat pump specifications