tier_2 conversion
Convert Btu (th) to calorie (th)
Convert Btu (th) to calorie (th) with a verified formula, worked example, conversion table, precision guidance, and reverse conversion.
Btu (th) to calorie (th)
Btu (th) to calorie (th)
Quick answer
1 Btu (th) = 251.995697891 calorie (th).
Formula
calorie (th) = Btu (th) × 251.9956978906338176548756480
Precision
The stored factor is used at full decimal precision; round only the displayed result to the precision required by the task.
How to convert Btu (th) to calorie (th)
- Enter a value in Btu (th).
- Multiply the Btu (th) value by 251.9956978906338176548756480 to obtain calorie (th).
- Round the displayed calorie (th) value only when needed.
About these units
Btu (th) is a unit used in energy conversions. Energy measures the capacity to perform work or transfer heat. Its recorded symbol is Btu (th). calorie (th) is a unit used in energy conversions. Energy measures the capacity to perform work or transfer heat. Its recorded symbol is cal (th).
Explore related conversions
Btu (th) to calorie (th) conversion table
| Btu (th) | calorie (th) |
|---|---|
| 0 Btu (th) | 0e-25 calorie (th) |
| 1 Btu (th) | 251.995697891 calorie (th) |
| 5 Btu (th) | 1259.97848945 calorie (th) |
| 10 Btu (th) | 2519.95697891 calorie (th) |
| 25 Btu (th) | 6299.89244727 calorie (th) |
| 100 Btu (th) | 25199.5697891 calorie (th) |
Frequently asked questions
How do I convert from Btu (th) to calorie (th)?
Multiply the Btu (th) value by 251.9956978906338176548756480 to obtain calorie (th).
What formula does CalculatorHQ use for Btu (th) to calorie (th)?
calorie (th) = Btu (th) × 251.9956978906338176548756480
How should I round the result?
The stored factor is used at full decimal precision; round only the displayed result to the precision required by the task.
Can I convert calorie (th) back to Btu (th)?
Yes. Use the linked reverse conversion, whose formula is validated against this pair with round-trip tests.