How to convert kilocalories to British thermal units
Formula: BTU = kcal × 3.96567
Worked example: 500 kcal → 500 × 3.96567 = 1,982.83 BTU
Kilocalories to British thermal units conversion chart
| Kilocalories (kcal) | British thermal units (BTU) |
|---|---|
| 50 kcal | 198.283 BTU |
| 100 kcal | 396.567 BTU |
| 150 kcal | 594.85 BTU |
| 200 kcal | 793.133 BTU |
| 250 kcal | 991.417 BTU |
| 300 kcal | 1,189.7 BTU |
| 400 kcal | 1,586.27 BTU |
| 500 kcal | 1,982.83 BTU |
| 750 kcal | 2,974.25 BTU |
| 1,000 kcal | 3,965.67 BTU |
| 1,200 kcal | 4,758.8 BTU |
| 1,500 kcal | 5,948.5 BTU |
| 1,800 kcal | 7,138.2 BTU |
| 2,000 kcal | 7,931.33 BTU |
| 2,500 kcal | 9,914.17 BTU |
| 3,000 kcal | 11,897 BTU |
What is a kilocalorie?
The kilocalorie equals 1,000 small calories, or 4.184 kilojoules. It is the Calorie printed on US Nutrition Facts labels and used in diet and exercise tracking: an adult needs roughly 2,000 to 2,500 kcal a day.
What is a British thermal unit?
The British thermal unit, about 1,055 joules, is the heat needed to warm one pound of water by one degree Fahrenheit. US furnaces, water heaters, grills and natural gas are rated in BTU.