Calories to BTUs Converter
1 calorie = 0.003965667 BTUs
1 BTU = 252.1644 calories
How to convert calories to BTUs
To convert calories to BTUs, multiply the value in calories by 0.00396566683139.
BTU = cal × 0.00396566683139
Example: 100 cal × 0.00396566683139 = 0.3965667 BTU
Calories to BTUs conversion table
| Calorie (cal) | BTU (BTU) |
|---|---|
| 1 cal | 0.003965667 BTU |
| 2 cal | 0.007931334 BTU |
| 3 cal | 0.011897 BTU |
| 4 cal | 0.01586267 BTU |
| 5 cal | 0.01982833 BTU |
| 6 cal | 0.023794 BTU |
| 7 cal | 0.02775967 BTU |
| 8 cal | 0.03172533 BTU |
| 9 cal | 0.035691 BTU |
| 10 cal | 0.03965667 BTU |
| 12 cal | 0.047588 BTU |
| 15 cal | 0.059485 BTU |
| 20 cal | 0.07931334 BTU |
| 25 cal | 0.09914167 BTU |
| 30 cal | 0.11897 BTU |
| 40 cal | 0.1586267 BTU |
| 50 cal | 0.1982833 BTU |
| 60 cal | 0.23794 BTU |
| 70 cal | 0.2775967 BTU |
| 75 cal | 0.297425 BTU |
| 80 cal | 0.3172533 BTU |
| 90 cal | 0.35691 BTU |
| 100 cal | 0.3965667 BTU |
| 150 cal | 0.59485 BTU |
| 200 cal | 0.7931334 BTU |
| 250 cal | 0.9914167 BTU |
| 500 cal | 1.982833 BTU |
| 1,000 cal | 3.965667 BTU |
About these units
Calorie (cal)
The calorie (cal) is a unit of energy. 1 calorie equals 4.184 joules. This value is exact by definition.
BTU (BTU)
The BTU (BTU) is a unit of energy used in both the imperial and US customary systems. 1 BTU equals 1,055.055853 joules. This value is exact by definition.
Frequently asked questions
What is 1 calorie in BTUs?
1 calorie equals 0.003965667 BTUs.
How do I convert calories to BTUs?
To convert calories to BTUs, multiply the value in calories by 0.00396566683139. Example: 100 cal × 0.00396566683139 = 0.3965667 BTU
What is 100 cal in BTUs?
100 calories equals 0.3965667 BTUs.