British thermal units to Calories Converter
Convert British thermal units to calories instantly. One British thermal unit equals 252.1644 calories, so you can type any value in BTU and read…
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Convert British thermal units to calories instantly. One British thermal unit equals 252.1644 calories, so you can type any value in BTU and read the answer in cal. The page also shows a conversion table and the exact formula used.
Worked example
Example calculated from the starting values. Enter your own values and press Calculate to get your result.
1 BTU = 252.1644 cal
With the default inputs (value in British thermal units = 1 BTU), the results are: calories 252.1644 cal.
British thermal units to calories conversion table
Reference table based on the example values; it is not your calculation result.
| British thermal units (BTU) | calories (cal) |
|---|---|
| 1 | 252.1644 |
| 2 | 504.3288 |
| 5 | 1,260.82 |
| 10 | 2,521.64 |
| 25 | 6,304.11 |
| 50 | 12,608.22 |
| 100 | 25,216.44 |
| 500 | 126,082.2 |
| 1,000 | 252,164.4 |
Frequently asked questions
How many calories are in one British thermal unit?
1 British thermal unit = 252.1644 calories.
What is the formula to convert British thermal units to calories?
Multiply the value in British thermal units by 252.1644.
How do I convert calories back to British thermal units?
1 calorie = 0.00396567 British thermal units.
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