Calories to BTU
1 Calorie = 0.003965651243 BTU
3.965651243 × 10⁻³
0.003965651243(3.965651243 × 10⁻³)
About these units
Calories
The calorie is the energy to raise 1 gram of water by 1 °C, about 4.184 joules. It's a small unit used in chemistry and physics.
BTU
The British thermal unit is the energy to raise 1 pound of water by 1 °F, about 1,055 joules. It's used for heating and air conditioning.
Conversion formula
To convert Calorie to BTU, multiply the value by 0.003965651243 (3.965651243 × 10⁻³).
Quick reference
| Calories | BTU |
|---|---|
| 1 | 0.003965651243 (3.965651243 × 10⁻³) |
| 2 | 0.007931302485 (7.931302485 × 10⁻³) |
| 5 | 0.01982825621 |
| 10 | 0.03965651243 |
| 100 | 0.3965651243 |
Frequently asked questions
- How many BTU are in one Calorie?
- 1 Calorie = 0.003965651243 (3.965651243 × 10⁻³) BTU.
- How many Calories are in one BTU?
- 1 BTU = 252.165392 Calories.