Convert Calorie to British Thermal Unit
1 calorie = 0.0039656668 british thermal units (cal to BTU).
Need to move between calories and british thermal units? A calorie is smaller than a british thermal unit — it takes 252.164 of them to make a single british thermal unit. One british thermal unit works out to 252.164 calories in the other direction. The converter above does this in real time, and the reference chart lists the values that come up most often.
1 cal = 0.0039656668 BTU
How to convert Calories to British Thermal Units
Multiply the calorie value by 0.00396567 to get british thermal units.
Example: 10 calories = 0.0396567 british thermal units.
Calorie to British Thermal Unit Conversion Chart
| Calories | British Thermal Units |
|---|---|
| 1 cal | 0.0039656668 BTU |
| 2 cal | 0.0079313337 BTU |
| 3 cal | 0.011897 BTU |
| 5 cal | 0.019828334 BTU |
| 10 cal | 0.039656668 BTU |
| 20 cal | 0.079313337 BTU |
| 25 cal | 0.099141671 BTU |
| 50 cal | 0.19828334 BTU |
| 100 cal | 0.39656668 BTU |
| 1000 cal | 3.9656668 BTU |
Frequently Asked Questions
- How many british thermal units are in a calorie?
- There are 0.0039656668 british thermal units in 1 calorie.
- How do you convert calories to british thermal units?
- Multiply the calorie value by 0.00396567 to get british thermal units.
- What is 5 calories in british thermal units?
- 5 calories equals 0.019828334 british thermal units.
- What is 100 calories in british thermal units?
- 100 calories equals 0.39656668 british thermal units.
- What is 1 british thermal unit in calories?
- 1 british thermal unit equals 252.1644 calories.
- Is this calorie to british thermal unit converter free?
- Yes. The converter is free, needs no sign-up, and runs entirely in your browser — the values you enter never leave your device.