Conversion Formula
$$BTU = kcal \times 3.96567$$
Multiply the value in Kilocalorie by 3.96567 to get British Thermal Unit.
kcal to BTU Conversion Table
| Kilocalorie (kcal) | British Thermal Unit (BTU) |
|---|---|
| 0.1 | 0.396567 |
| 0.5 | 1.98283 |
| 1 | 3.96567 |
| 2 | 7.93133 |
| 5 | 19.8283 |
| 10 | 39.6567 |
| 25 | 99.1417 |
| 50 | 198.283 |
| 100 | 396.567 |
| 250 | 991.417 |
| 500 | 1,982.83 |
| 1,000 | 3,965.67 |
kcal to BTU in Engineering
Energy conversions span mechanical, thermal, electrical, and chemical engineering. BTU and therms are standard for HVAC and natural gas, kWh for electrical systems, and joules for scientific calculations.
Kilocalorie: Also known as a food Calorie (capital C). Used in nutrition and some chemical engineering contexts.
British Thermal Unit: Standard US thermal energy unit. Essential for HVAC, heating, and natural gas calculations.