Calorie to Btu
calorie
btu
calorie to btu Conversion Table
| calorie (cal) | btu (BTU) | |
|---|---|---|
| 0.01 cal | → | 0.0000396567 BTU |
| 0.1 cal | → | 0.0003965667 BTU |
| 1.0 cal | → | 0.0039656668 BTU |
| 2.0 cal | → | 0.0079313337 BTU |
| 3.0 cal | → | 0.0118970005 BTU |
| 5.0 cal | → | 0.0198283342 BTU |
| 10.0 cal | → | 0.0396566683 BTU |
| 20.0 cal | → | 0.0793133366 BTU |
| 30.0 cal | → | 0.1189700049 BTU |
| 50.0 cal | → | 0.1982833416 BTU |
| 100.0 cal | → | 0.3965666831 BTU |
| 1000.0 cal | → | 3.965666831 BTU |
Example Conversion
To convert from calorie to btu, multiply by 0.0039656668.
For example: 22 calorie = 22 × 0.0039656668 = 0.0872446703 btu
Unit History
About calorie
The small calorie originated in early thermodynamics to describe the heat needed to raise one gram of water by one degree Celsius. Though supplanted by joules in science, it survives in nutrition and cooking discussions.
About btu
The British thermal unit predates metric measures and quantifies the energy needed to heat one pound of water by one degree Fahrenheit. It remains entrenched in HVAC and fuel industries.