Unit Converter
Calories to BTU Converter
Convert calories (cal) to btu (btu) instantly in your browser. 1 calorie = 0.003966 btu.
How to convert calories to btu
Use the converter above, or multiply the calories value by 0.003966. The formula is:
btu = cal × 0.003966
Calories to BTU conversion table
| Calories (cal) | BTU (btu) |
|---|---|
| 1 | 0.003966 |
| 2 | 0.007931 |
| 5 | 0.019828 |
| 10 | 0.039657 |
| 20 | 0.079313 |
| 50 | 0.198283 |
| 100 | 0.396567 |
Common questions
How many btu in 1 calorie? 1 calorie = 0.003966 btu.
How many calories in 1 British thermal unit? 1 British thermal unit = 252.164401 calories.
Is this converter accurate? It uses standard conversion factors and works entirely in your browser. For engineering/medical/financial decisions, verify with a trusted source.