Kilocalories to British Thermal Units Converter

Engineering

Joules, calories, kilowatt-hours and more.

How to convert Kilocalories to British Thermal Units

Multiply the kilocalories value by 3.96565: 1 kcal = 3.96565 BTU. Going the other way, 1 BTU = 0.252165 kcal, so divide by 3.96565 or use the British Thermal Units to Kilocalories converter.

About these units

Kilocalories (kcal)

A kilocalorie is 1,000 calories, or 4,184 joules. It is the Calorie written with a capital C on food labels and in diet guidance.

British Thermal Units (BTU)

A British thermal unit is the energy needed to raise one pound of water by one degree Fahrenheit, about 1,055 joules. Heating and air-conditioning capacities are rated in BTU per hour.

Kilocalories to British Thermal Units conversion table

Kilocalories (kcal)British Thermal Units (BTU)
1 kcal3.96565 BTU
2 kcal7.9313 BTU
3 kcal11.897 BTU
4 kcal15.8626 BTU
5 kcal19.8283 BTU
10 kcal39.6565 BTU
20 kcal79.313 BTU
25 kcal99.1413 BTU
50 kcal198.283 BTU
100 kcal396.565 BTU
500 kcal1,982.83 BTU
1,000 kcal3,965.65 BTU

More kilocalories conversions