Convert BTU (BTU) to Calorie (cal) instantly. Enter any value and get the result immediately.
BTU → cal Converter
| BTU (BTU) | Calorie (cal) |
|---|---|
| 0.1 BTU | 25.2165392 cal |
| 0.5 BTU | 126.08269598 cal |
| 1 BTU | 252.16539197 cal |
| 2 BTU | 504.33078394 cal |
| 5 BTU | 1260.82695985 cal |
| 10 BTU | 2521.65391969 cal |
| 20 BTU | 5043.30783939 cal |
| 50 BTU | 12,608.2696 cal |
| 100 BTU | 25,216.5392 cal |
| 200 BTU | 50,433.0784 cal |
| 500 BTU | 126,082.696 cal |
| 1000 BTU | 252,165.392 cal |
| 5000 BTU | 1,260,826.9598 cal |
| 10000 BTU | 2,521,653.9197 cal |
Formula: Calorie = BTU × 252.16539197
Example: 1 BTU = 252.16539197 cal
You can also use the interactive converter above. Simply enter any BTU value and the equivalent Calorie value will appear instantly. Click the ⇄ button to reverse the conversion.
Here is a closer look at what BTU and Calorie are used for, plus answers to the questions people ask most about this conversion.
Step-by-step example — Convert 5000 BTU to cal:
A BTU (British Thermal Unit) is an imperial energy unit, used mainly for rating heating and cooling equipment.
A Calorie (cal) is a small energy unit originally defined as the heat needed to raise one gram of water by one degree Celsius.
The formula is: Calorie = BTU x 252.16539197. Multiply any BTU value by 252.16539197 to get the equivalent in Calorie.
1 BTU = 252.16539197 cal.
1 cal = 0.00396565124257404 BTU.
BTU is bigger than Calorie. 1 BTU = 252.16539197 cal.
12000 BTU = 3,025,984.704 cal.
500 cal = 1.982825621 BTU.
BTU stands for British Thermal Unit, defined as the energy needed to raise the temperature of 1 pound of water by 1°F.