BTU (BTU)
BTU is used in heat engineering, air conditioning, heating, and English-language engineering tables.
History: BTU began in British heat engineering as the heat required to warm a pound of water by one degree Fahrenheit.
Quickly convert BTU to kilocalories without lookup tables or manual math.
This page is focused on converting BTU to kilocalories. Type a number into the first field and the result appears immediately in the second field.
Example: 1 BTU = 0.2521644007 kcal. Conversion formula: result = value × 1055.05585262 / 4184.
Use this converter for everyday calculations, study notes, engineering checks, and quick value verification without installing a separate app.
BTU is used in heat engineering, air conditioning, heating, and English-language engineering tables.
History: BTU began in British heat engineering as the heat required to warm a pound of water by one degree Fahrenheit.
The kilocalorie equals 1000 calories and is the familiar “Calorie” on food labels.
History: the kilocalorie appeared as a larger heat unit and became the familiar food Calorie.
Enter a value in the BTU field. The converter applies the formula "result = value × 1055.05585262 / 4184" and immediately shows the result in kilocalories.
1 BTU = 0.2521644007 kcal.
Yes. Use the swap button or choose the reverse pair from the full conversion list.