Calorie to British Thermal Unit Converter
Quick Answer
1 cal = 0.00396565 BTU
Formula: British Thermal Unit = Calorie x 0.00396565
Formula verifiedLive calculation
To (British Thermal Unit)
BTU
Quick values
Calorie to British Thermal Unit Conversion Table
| Calorie (cal) | British Thermal Unit (BTU) |
|---|---|
| 1 | 0.00396565 |
| 2 | 0.0079313 |
| 3 | 0.011897 |
| 4 | 0.0158626 |
| 5 | 0.0198283 |
| 6 | 0.0237939 |
| 7 | 0.0277596 |
| 8 | 0.0317252 |
| 9 | 0.0356909 |
| 10 | 0.0396565 |
Convert Calorie to Other Energy Units
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Frequently Asked Questions
How do you convert Calorie to British Thermal Unit?
Use the formula British Thermal Unit = Calorie x 0.00396565. For example: 1 cal = 0.00396565 BTU. Our calculator handles this automatically.
How many British Thermal Units in a Calorie?
1 cal = 0.00396565 BTU.
Why would I need to convert Calorie to British Thermal Unit?
Converting Calorie to British Thermal Unit is useful for scientific calculations, engineering projects, international trade, and everyday measurements where different unit systems are used.
Energy reference calculator
Reference factors
0.00396565
BTU per cal
252.165
cal per BTU
Contents
Formula audit
British Thermal Unit = Calorie x 0.00396565
1 cal = 0.00396565 BTU
Results use the shared conversion engine and retain the full conversion rule before display formatting.
Unit reference
CategoryEnergy
Input unitCalorie (cal)
Output unitBritish Thermal Unit (BTU)