Calorie to BTU Converter
1 cal = 0.003966 BTU
1 cal = 0.003966 BTU
Calorie to BTU Table
| Calorie (cal) | BTU (BTU) |
|---|---|
| 0.01 | 0.0000396565 |
| 0.1 | 0.0003965651 |
| 1 | 0.003966 |
| 2 | 0.007931 |
| 5 | 0.019828 |
| 10 | 0.039657 |
| 20 | 0.079313 |
| 50 | 0.198283 |
| 100 | 0.396565 |
| 500 | 1.9828 |
| 1000 | 3.9657 |
How to Convert Calorie to BTU
To convert Calorie (cal) to BTU (BTU), use the formula: 1 cal = 0.003966 BTU.
For example, to convert 5 cal to BTU: 5 cal = 0.019828 BTU. Similarly, 10 cal = 0.039657 BTU, 25 cal = 0.099141 BTU, and 100 cal = 0.396565 BTU.
To convert in the other direction, 1 BTU = 252.17 cal. Simply enter your value in either field above for instant bi-directional conversion.
What is a Calorie?
A calorie (cal) is the energy needed to raise 1 gram of water by 1°C. Small calories are used in chemistry and physics.
What is a BTU?
A British Thermal Unit (BTU) is the energy needed to raise 1 pound of water by 1°F. BTUs are used in the US for heating/cooling system ratings and natural gas billing.
Common Calorie to BTU Conversions
Here are some frequently looked-up conversions between Calorie and BTU:
- 1 cal = 0.003966 BTU
- 5 cal = 0.019828 BTU
- 10 cal = 0.039657 BTU
- 25 cal = 0.099141 BTU
- 100 cal = 0.396565 BTU