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 Calories (cal) to Kilowatt Hours (kWh). Results update instantly using the exact conversion factor.
The calorie (cal) is a unit of energy; 1 cal ≈ 4.184 J (thermochemical calorie).
The kilowatt-hour (kWh) measures electrical energy: 1 kWh = 3.6 × 10⁶ J.
1 cal ÷ 860420.6500956 = 0.00000116 kWh
kWh = cal ÷ 860420.6500956
To convert cal to kWh, divide the value in cal by 860420.6500956 (since 1 cal = 0.00000116 kWh). Equivalently, multiply by 0.00000116. Example: 1 cal = 1 cal × 0.00000116 = 0.00000116 kWh.
10 cal = 0.00001162 kWh ÷ 860420.6500956 = 10 cal
Common values from cal to kWh.
| cal | kWh |
|---|---|
| 1 | 0 |
| 2 | 0 |
| 3 | 0 |
| 4 | 0 |
| 5 | 0 |
| 6 | 0 |
| 7 | 0 |
| 8 | 0 |
| 9 | 0 |
| 10 | 0 |
| 11 | 0 |
| 12 | 0 |
| 13 | 0 |
| 14 | 0 |
| 15 | 0 |
| 16 | 0 |
| 17 | 0 |
| 18 | 0 |
| 19 | 0 |
| 20 | 0 |