BTU to Calories
1 BTU = 252.164400722 cal
Converter Calculator
1 BTU (BTU) = 252.164401 Calories (cal)
Explanation
Multiply by 252.1644007217973 (derived from joules) because 1 BTU = 1055.05585262 J and 1 cal = 4.184 J.
Common Conversion Values
| BTU (BTU) | Calories (cal) |
|---|---|
| 1 | 252.164401 |
| 5 | 1,260.822004 |
| 10 | 2,521.644007 |
| 100 | 25,216.440072 |
| 1,000 | 252,164.400722 |
| 3,600 | 907,791.842598 |
| 10,000 | 2,521,644.007218 |
| 1,000,000 | 252,164,400.721797 |
How to use this hub
- Choose a converter family.
- If converting to/from grams from a volume unit, select an ingredient.
- For pure unit changes (volume↔volume or weight↔weight), use universal conversions.
If your conversion includes grams, you’ll choose an ingredient; otherwise you won’t.
Frequently Asked Questions
What defines this conversion?
The factor is derived from exact joule-based energy definitions.
Is the reverse conversion available?
Yes. Use the switch button or open the Calories (cal) to BTU (BTU) hub to view the mirror conversion.
Can I use decimals?
Yes. Decimal inputs are supported so fractional energy values remain precise in calculator output.