Kilocalories to BTU Converter
How to convert kilocalories to BTU
BTU = kilocalories × 3.96566683
To convert kilocalories to BTU, multiply the number of kilocalories by 3.96566683.
1 kcal = 3.96566683 BTU
Examples
- A common daily reference intake: 2,000 kcal × 3.96566683 = 7,931.33366 BTU
- 500 kcal × 3.96566683 = 1,982.83342 BTU
Good to know
The kilocalorie is the food "Calorie" (capital C) shown on nutrition labels. It is based here on the thermochemical calorie, so 1 kcal is exactly 4.184 kJ.
This is the International Table BTU, 1055.05585262 J. Other definitions exist, such as the thermochemical BTU (about 1054.35 J); they differ from it by up to about 0.5%.
Kilocalories to BTU conversion table
| Kilocalories (kcal) | BTU |
|---|---|
| 1 kcal | 3.96566683 BTU |
| 10 kcal | 39.6566683 BTU |
| 50 kcal | 198.283342 BTU |
| 100 kcal | 396.566683 BTU |
| 150 kcal | 594.850025 BTU |
| 200 kcal | 793.133366 BTU |
| 250 kcal | 991.416708 BTU |
| 300 kcal | 1,189.70005 BTU |
| 400 kcal | 1,586.26673 BTU |
| 500 kcal | 1,982.83342 BTU |
| 1,000 kcal | 3,965.66683 BTU |
| 1,500 kcal | 5,948.50025 BTU |
| 2,000 kcal | 7,931.33366 BTU |
| 2,500 kcal | 9,914.16708 BTU |
| 3,000 kcal | 11,897.0005 BTU |
Unit definitions
- Kilocalorie (kcal)
- A kilocalorie is 1000 calories, exactly 4184 joules using the thermochemical calorie. It is the unit of food energy on nutrition labels.
- BTU
- The British thermal unit is roughly the heat needed to raise one pound of water by one degree Fahrenheit. The International Table BTU is exactly 1055.05585262 joules, and it is used for heating and cooling in the United States.