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 ft·lb = 8,462,345,054,862,750,000 eV
1 eV = 1.1817e-19 ft·lb
例子:
将15 脚转换为电子伏特：
15 ft·lb = 126,935,175,822,941,240,000 eV
| 脚 | 电子伏特 |
|---|---|
| 0.01 ft·lb | 84,623,450,548,627,500 eV |
| 0.1 ft·lb | 846,234,505,486,275,100 eV |
| 1 ft·lb | 8,462,345,054,862,750,000 eV |
| 2 ft·lb | 16,924,690,109,725,500,000 eV |
| 3 ft·lb | 25,387,035,164,588,250,000 eV |
| 5 ft·lb | 42,311,725,274,313,750,000 eV |
| 10 ft·lb | 84,623,450,548,627,500,000 eV |
| 20 ft·lb | 169,246,901,097,255,000,000 eV |
| 30 ft·lb | 253,870,351,645,882,480,000 eV |
| 40 ft·lb | 338,493,802,194,510,000,000 eV |
| 50 ft·lb | 423,117,252,743,137,460,000 eV |
| 60 ft·lb | 507,740,703,291,764,970,000 eV |
| 70 ft·lb | 592,364,153,840,392,500,000 eV |
| 80 ft·lb | 676,987,604,389,020,000,000 eV |
| 90 ft·lb | 761,611,054,937,647,500,000 eV |
| 100 ft·lb | 846,234,505,486,274,900,000 eV |
| 250 ft·lb | 2,115,586,263,715,687,400,000 eV |
| 500 ft·lb | 4,231,172,527,431,375,000,000 eV |
| 750 ft·lb | 6,346,758,791,147,062,000,000 eV |
| 1000 ft·lb | 8,462,345,054,862,750,000,000 eV |
| 10000 ft·lb | 84,623,450,548,627,500,000,000 eV |
| 100000 ft·lb | 846,234,505,486,275,000,000,000 eV |
规则