能量是执行工作的能力。它以各种形式存在，例如动力学，电势，热等。在焦耳（J）中测量。
1 eV = 4.4505e-26 kWh
1 kWh = 22,469,385,462,307,606,000,000,000 eV
例子:
将15 电子伏特转换为千瓦小时：
15 eV = 6.6757e-25 kWh
| 电子伏特 | 千瓦小时 |
|---|---|
| 0.01 eV | 4.4505e-28 kWh |
| 0.1 eV | 4.4505e-27 kWh |
| 1 eV | 4.4505e-26 kWh |
| 2 eV | 8.9010e-26 kWh |
| 3 eV | 1.3351e-25 kWh |
| 5 eV | 2.2252e-25 kWh |
| 10 eV | 4.4505e-25 kWh |
| 20 eV | 8.9010e-25 kWh |
| 30 eV | 1.3351e-24 kWh |
| 40 eV | 1.7802e-24 kWh |
| 50 eV | 2.2252e-24 kWh |
| 60 eV | 2.6703e-24 kWh |
| 70 eV | 3.1153e-24 kWh |
| 80 eV | 3.5604e-24 kWh |
| 90 eV | 4.0054e-24 kWh |
| 100 eV | 4.4505e-24 kWh |
| 250 eV | 1.1126e-23 kWh |
| 500 eV | 2.2252e-23 kWh |
| 750 eV | 3.3379e-23 kWh |
| 1000 eV | 4.4505e-23 kWh |
| 10000 eV | 4.4505e-22 kWh |
| 100000 eV | 4.4505e-21 kWh |
规则