British thermal unit to calorie
Live British thermal unit (BTU) to calorie (cal) converter. Plus a 10-value reference table and FAQs.
Conversion table
Ten sample values from British thermal unit to calorie. Use the converter above for arbitrary values.
| British thermal unit (BTU) | → | calorie (cal) |
|---|---|---|
| 0.001 BTU | → | 0.252164 cal |
| 0.01 BTU | → | 2.521644 cal |
| 0.1 BTU | → | 25.21644 cal |
| 0.5 BTU | → | 126.0822 cal |
| 1 BTU | → | 252.164401 cal |
| 2 BTU | → | 504.328801 cal |
| 5 BTU | → | 1,260.822004 cal |
| 10 BTU | → | 2,521.644007 cal |
| 100 BTU | → | 25,216.440072 cal |
| 1,000 BTU | → | 252,164.400722 cal |
About the British thermal unit
≈ 1055 J. HVAC in the US.
About the calorie
4.184 J. The energy to heat 1 g water by 1 °C.
Frequently asked questions
Frequently Asked Questions
How do I convert British thermal unit to calorie?
Multiply the British thermal unit value by 252.164401 to get it in calorie. For example, 10 BTU = 2,521.644 cal.
What is 1 BTU in cal?
1 BTU = 252.164401 cal.
What is 100 BTU in cal?
100 BTU = 25,216.4401 cal.
What is the formula?
Linear: multiply by 252.164401 (the unit factor ratio).
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