# BTU to Calorie Conversion

## BTU to Calorie Conversion - Convert BTU to Calorie (BTU to cal)

### You are currently converting Energy units from BTU to Calorie

1 BTU (BTU)

=

251.99576 Calorie (cal)

BTU : The British thermal unit is a traditional measure unit of energy, approximately equals 1055 joules. Its symbol is Btu, or sometimes BTU. The unit is most often used as a measure of power (symbol: Btu/h) in the power. Now, the British thermal unit is almost replaced by the SI unit of energy, the joule.

Calorie : The calorie is a pre-SI metric unit of energy. Its symbol is cal, and first defined as a unit of heat by Nicolas Clément in 1824. The calorie is commonly used in the field of chemistry, and in many countries it is commonly used as a unit of food energy. There are two defined for the calorie, gram calorie (approximately equals 4.2 joules) and kilogram calorie (approximately equals 4.2 kilojoules).

### Energy Conversion Calculator

1 BTU (international) = 251.99576 Calorie (international)

### FAQ about BTU to Calorie Conversion

1 btu (international) (BTU) is equal to 251.99576 calorie (cal).

1BTU = 251.99576cal

The Energy E in calorie (cal) is equal to the Energy E in btu (BTU) times 251.99576, that conversion formula:

E(cal) = E(BTU) × 251.99576

One BTU (international) is equal to 251.99576 Calorie:

1BTU = 1BTU × 251.99576 = 251.99576cal

One Calorie is equal to 0.00397 BTU:

1cal = 1cal × 0.00397 = 0.00397BTU

E(cal) = 5(BTU) × 251.99576 = 1259.9788cal