BTU Calculator | HVAC Sizing and BTU Conversion Tools
Calculate the BTU requirements for heating and cooling your rooms, and convert between BTU and other energy units with our free online calculators.
Category: Calculator
BTU Calculator
Calculate BTU (British Thermal Unit) requirements for heating and cooling your rooms, or convert between BTU and other energy units.
BTU Information
A British Thermal Unit (BTU) is a measure of energy, specifically the amount of heat required to raise the temperature of one pound of water by one degree Fahrenheit.
Common BTU Conversions:
- 1 BTU/hr = 0.293071 Watts
- 1 Ton of Refrigeration = 12,000 BTU/hr
- 1 Horsepower = 2,544.43 BTU/hr
- 1 Kilowatt = 3,412.14 BTU/hr