Convert btu to calories quickly and accurately using this free online converter
Used in nutrition labels, physics, and electricity consumption.
💡 Calories (kcal) are used in food; joules in science; kWh in electricity.
cal = BTU × 252.1654
Example: 1 BTU × 252.1654 = 252.1654 cal
Use kcal for food; kWh for energy consumption; joules for science.
Common uses: nutrition, electricity bills, and scientific calculations.
How do I convert BTU to cal?
Multiply the value in BTU by 252.1654. For example: 10 BTU = 2521.6539 cal.
When should I use Calories instead of BTU?
Use kcal for food; kWh for energy consumption; joules for science.
Is this converter accurate?
Yes. We use internationally recognized conversion factors, updated to current standards.
| BTU (BTU) | Calories (cal) |
|---|---|
| 1 BTU | 252.1654 cal |
| 10 BTU | 2521.6539 cal |
| 50 BTU | 12,608.27 cal |
| 100 BTU | 25,216.54 cal |
| 250 BTU | 63,041.35 cal |
| 500 BTU | 126,082.70 cal |
| 1000 BTU | 252,165.39 cal |
| 2000 BTU | 504,330.78 cal |