BTU (International Table) to calorie (thermochemical)
1 BTU (International Table) equals 252.164 calorie (thermochemical), and 1 calorie (thermochemical) equals 0.00396567 BTU (International Table).
Conversion formula
cal = BTU × 252.164
To convert BTU (International Table) to calorie (thermochemical), multiply the value by 252.164.
Conversion table
| 1 BTU | 252.164 cal |
|---|---|
| 2 BTU | 504.329 cal |
| 5 BTU | 1260.82 cal |
| 10 BTU | 2521.64 cal |
| 25 BTU | 6304.11 cal |
| 50 BTU | 12608.2 cal |
| 100 BTU | 25216.4 cal |
| 500 BTU | 126082 cal |
| 1000 BTU | 252164 cal |
Reverse conversion table
| 1 cal | 0.00396567 BTU |
|---|---|
| 2 cal | 0.00793133 BTU |
| 5 cal | 0.0198283 BTU |
| 10 cal | 0.0396567 BTU |
| 25 cal | 0.0991417 BTU |
| 50 cal | 0.198283 BTU |
| 100 cal | 0.396567 BTU |
| 500 cal | 1.98283 BTU |
| 1000 cal | 3.96567 BTU |
Key facts
| 1 BTU (International Table) | 252.164 calorie (thermochemical) |
|---|---|
| 1 calorie (thermochemical) | 0.00396567 BTU (International Table) |
Frequently asked questions
How do I convert BTU (International Table) to calorie (thermochemical)?
Multiply the BTU (International Table) value by 252.164 to get calorie (thermochemical). For example, 10 BTU (International Table) = 2521.64 calorie (thermochemical).
How do I convert calorie (thermochemical) back to BTU (International Table)?
Divide the calorie (thermochemical) value by 252.164 (equivalently, multiply by 0.00396567) to get BTU (International Table).
Reverse conversion
Printable A4 conversion cheat sheet — see the Downloads page