Kilocalories to British Thermal Units
Convert kilocalories (kcal) to British thermal units (BTU). Type in either box; the other updates as you go.
How to convert kilocalories to British thermal units
To convert kilocalories to British thermal units, multiply the number of kilocalories by 3.965666831.
Example
Convert 5 kilocalories to British thermal units:
Kilocalorie to British thermal unit conversion chart
| Kilocalories (kcal) | British Thermal Units (BTU) |
|---|---|
| 1 kcal | 3.965667 BTU |
| 2 kcal | 7.931334 BTU |
| 3 kcal | 11.897 BTU |
| 4 kcal | 15.86267 BTU |
| 5 kcal | 19.82833 BTU |
| 6 kcal | 23.794 BTU |
| 7 kcal | 27.75967 BTU |
| 8 kcal | 31.72533 BTU |
| 9 kcal | 35.691 BTU |
| 10 kcal | 39.65667 BTU |
| 12 kcal | 47.588 BTU |
| 15 kcal | 59.485 BTU |
| 20 kcal | 79.31334 BTU |
| 25 kcal | 99.14167 BTU |
| 30 kcal | 118.97 BTU |
| 40 kcal | 158.6267 BTU |
| 50 kcal | 198.2833 BTU |
| 60 kcal | 237.94 BTU |
| 70 kcal | 277.5967 BTU |
| 75 kcal | 297.425 BTU |
| 80 kcal | 317.2533 BTU |
| 90 kcal | 356.91 BTU |
| 100 kcal | 396.5667 BTU |
| 150 kcal | 594.85 BTU |
| 200 kcal | 793.1334 BTU |
| 250 kcal | 991.4167 BTU |
| 500 kcal | 1,982.833 BTU |
| 1,000 kcal | 3,965.667 BTU |
Going the other way? See the British thermal units to kilocalories chart.
About the units
Kilocalorie (kcal)
A kilocalorie is 1,000 small calories. The "Calories" on US food labels are kilocalories.
British Thermal Unit (BTU)
A British thermal unit (International Table) is about 1,055 joules, the heat that warms one pound of water by one degree Fahrenheit.
Frequently asked questions
How many British thermal units are in a kilocalorie?
There are 3.965666831 British thermal units in a kilocalorie.
How many kilocalories are in a British thermal unit?
There are 0.2521644007 kilocalories in a British thermal unit.
How do you convert kilocalories to British thermal units?
To convert kilocalories to British thermal units, multiply the number of kilocalories by 3.965666831.
What is 5 kilocalories in British thermal units?
5 kilocalories equals 19.8283 British thermal units.
Convert between joules, calories, kilocalories, kilowatt-hours and BTU. Open the energy converter to see a value in every unit at once.