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 = 1 ft·lb
1 ft·lb = 1 ft·lb
例子:
将15 脚转换为脚：
15 ft·lb = 15 ft·lb
| 脚 | 脚 |
|---|---|
| 0.01 ft·lb | 0.01 ft·lb |
| 0.1 ft·lb | 0.1 ft·lb |
| 1 ft·lb | 1 ft·lb |
| 2 ft·lb | 2 ft·lb |
| 3 ft·lb | 3 ft·lb |
| 5 ft·lb | 5 ft·lb |
| 10 ft·lb | 10 ft·lb |
| 20 ft·lb | 20 ft·lb |
| 30 ft·lb | 30 ft·lb |
| 40 ft·lb | 40 ft·lb |
| 50 ft·lb | 50 ft·lb |
| 60 ft·lb | 60 ft·lb |
| 70 ft·lb | 70 ft·lb |
| 80 ft·lb | 80 ft·lb |
| 90 ft·lb | 90 ft·lb |
| 100 ft·lb | 100 ft·lb |
| 250 ft·lb | 250 ft·lb |
| 500 ft·lb | 500 ft·lb |
| 750 ft·lb | 750 ft·lb |
| 1000 ft·lb | 1,000 ft·lb |
| 10000 ft·lb | 10,000 ft·lb |
| 100000 ft·lb | 100,000 ft·lb |
规则