What is a BTU (BTU)?
A British Thermal Unit (BTU) is a unit of energy equal to approximately 1,055 joules, defined as the heat needed to raise 1 pound of water by 1°F.
Definition
Symbol
BTU
Category
Energy
System
Imperial
1 {unit} = {value} {otherUnit}
1 BTU = 1055.06 Joule (J)
1 BTU = 1.05506 Kilojoule (kJ)
1 BTU = 252.165 Calorie (cal)
1 BTU = 0.252165 Kilocalorie (kcal)
1 BTU = 0.293072 Watt-hour (Wh)
Common Uses
- HVAC systems
- Natural gas billing
- Water heater capacity
