Convert joules (J), calories (cal), kilowatt-hours (kWh), BTU, and other energy units. Energy is the capacity to do work; the joule (J) is the SI unit (1 J = 1 N·m). Nutritional calories and electrical kWh use different reference definitions tied to joules.
This energy converter transforms values from Btu (BTU) to Calories (cal). Results update instantly using the exact conversion factor.
The Btu (BTU) is a unit of energy in the Energy category.
The calorie (cal) is a unit of energy; 1 cal ≈ 4.184 J (thermochemical calorie).
1 BTU × 252.164401 = 252.164401 cal
cal = BTU × 252.164401
To convert BTU to cal, multiply the value in BTU by 252.164401 (conversion factor). Example: 1 BTU × 252.164401 = 252.164401 cal.
10 BTU × 252.164401 = 2521.64400722 cal
Common values from BTU to cal.
| BTU | cal |
|---|---|
| 1 | 252.1644 |
| 2 | 504.3288 |
| 3 | 756.4932 |
| 4 | 1008.6576 |
| 5 | 1260.822 |
| 6 | 1512.9864 |
| 7 | 1765.1508 |
| 8 | 2017.3152 |
| 9 | 2269.4796 |
| 10 | 2521.644 |
| 11 | 2773.8084 |
| 12 | 3025.9728 |
| 13 | 3278.1372 |
| 14 | 3530.3016 |
| 15 | 3782.466 |
| 16 | 4034.6304 |
| 17 | 4286.7948 |
| 18 | 4538.9592 |
| 19 | 4791.1236 |
| 20 | 5043.288 |