Calorie to BTU (cal to BTU)
Convert cal to BTU — Energy converter
One calorie equals 0.0039656512 BTU, so to convert calories to BTU you multiply the value by 0.0039656512. A calorie is smaller than a btu — going the other way, 1 BTU = 252.165392 cal. For example, 10 cal = 0.03965651 BTU and 50 cal = 0.19828256 BTU.
0.0039656512Click to copy
1 cal = 0.0039656512 BTU
Calorie to BTU formula
1 Calorie = 0.0039656512 BTU
Worked examples
- 25 cal = 0.09914128 BTU
- 100 cal = 0.39656512 BTU
Calorie to BTU conversion table
| Calorie (cal) | BTU (BTU) |
|---|---|
| 1 | 0.0039656512 |
| 2 | 0.0079313025 |
| 3 | 0.01189695 |
| 5 | 0.01982826 |
| 8 | 0.03172521 |
| 10 | 0.03965651 |
| 12 | 0.04758781 |
| 15 | 0.05948477 |
| 20 | 0.07931302 |
| 25 | 0.09914128 |
| 50 | 0.19828256 |
| 100 | 0.39656512 |
| 250 | 0.99141281 |
| 500 | 1.982826 |
| 1000 | 3.965651 |
Frequently asked questions
How many BTU are in one calorie?
One calorie equals 0.0039656512 BTU (BTU).
How many calories are in one btu?
One btu equals 252.165392 calories (cal).
How do you convert calories to BTU?
1 Calorie = 0.0039656512 BTU. Use the calculator above for any value.
What is 5 cal in BTU?
5 cal = 0.01982826 BTU.
What is 100 cal in BTU?
100 cal = 0.39656512 BTU.
What is 10 cal in BTU?
10 cal = 0.03965651 BTU.
What is 20 cal in BTU?
20 cal = 0.07931302 BTU.
Is a calorie bigger than a btu?
No. A calorie is smaller — one calorie equals 0.0039656512 BTU, while one btu equals 252.165392 calories.