Calorie to BTU Converter
How to Convert Calories to BTUs
To convert from calories to btus, use the following factor:
1 Calorie = 252.165392 BTU
Example:
15 calories = 15 × 252.165392 BTU = 3,782.48088 BTU
Calorie to BTU Conversion Table
| Calorie | BTU |
|---|---|
| 0.01 Calorie | 2.521654 BTU |
| 0.1 Calorie | 25.216539 BTU |
| 1 Calorie | 252.165392 BTU |
| 2 Calorie | 504.330784 BTU |
| 5 Calorie | 1,260.82696 BTU |
| 10 Calorie | 2,521.65392 BTU |
| 20 Calorie | 5,043.307839 BTU |
| 50 Calorie | 12,608.269598 BTU |
| 100 Calorie | 25,216.539197 BTU |
| 1,000 Calorie | 252,165.391969 BTU |
Calorie0.01
BTU2.521654
Calorie0.1
BTU25.216539
Calorie1
BTU252.165392
Calorie2
BTU504.330784
Calorie5
BTU1,260.82696
Calorie10
BTU2,521.65392
Calorie20
BTU5,043.307839
Calorie50
BTU12,608.269598
Calorie100
BTU25,216.539197
Calorie1,000
BTU252,165.391969
Calorie Definition
Heat needed to raise 1 gram of water by 1 °C (often kilocalories in nutrition).
History/Origin
Common in chemistry and nutrition.
Current Use
Used in nutrition to quantify food energy.
BTU Definition
British Thermal Unit, a traditional unit of heat.
History/Origin
The amount of heat required to raise the temperature of one pound of water by one degree Fahrenheit.
Current Use
Used in the power, steam, and heating/air conditioning industries.