How to convert BTU to kilocalories
Multiply the value in BTU by 0.2521644007 (or divide by 3.965666831) to get kilocalories.
1 BTU = 0.2521644007 kcal
Example
To convert 10 BTU to kilocalories: 10 × 0.2521644007 = 2.521644007 kcal.
BTU to kcal conversion chart
| BTU (BTU) | Kilocalories (kcal) |
|---|---|
| 0.1 BTU | 0.02521644007 kcal |
| 0.25 BTU | 0.06304110018 kcal |
| 0.5 BTU | 0.1260822004 kcal |
| 1 BTU | 0.2521644007 kcal |
| 2 BTU | 0.5043288014 kcal |
| 3 BTU | 0.7564932022 kcal |
| 4 BTU | 1.008657603 kcal |
| 5 BTU | 1.260822004 kcal |
| 6 BTU | 1.512986404 kcal |
| 7 BTU | 1.765150805 kcal |
| 8 BTU | 2.017315206 kcal |
| 9 BTU | 2.269479606 kcal |
| 10 BTU | 2.521644007 kcal |
| 12 BTU | 3.025972809 kcal |
| 15 BTU | 3.782466011 kcal |
| 20 BTU | 5.043288014 kcal |
| 25 BTU | 6.304110018 kcal |
| 30 BTU | 7.564932022 kcal |
| 40 BTU | 10.08657603 kcal |
| 50 BTU | 12.60822004 kcal |
| 75 BTU | 18.91233005 kcal |
| 100 BTU | 25.21644007 kcal |
| 250 BTU | 63.04110018 kcal |
| 500 BTU | 126.0822004 kcal |
| 1,000 BTU | 252.1644007 kcal |
About the units
British thermal unit (BTU)
A BTU (IT) is about 1,055 joules, used for heating and air-conditioning capacity.
Kilocalorie (food Calorie) (kcal)
A kilocalorie is 1,000 calories — the "Calorie" printed on food labels.
Related conversions
Kilocalories to BTU · Joules to kilocalories · Kilojoules to kilocalories · Calories to kilocalories · Kilowatt-hours to kilocalories · BTU to joules · BTU to kilojoules · BTU to calories · BTU to kilowatt-hours · All energy units