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 N·m = 0.738 ft·lb
1 ft·lb = 1.356 N·m
例子:
将15 牛顿米转换为脚：
15 N·m = 11.063 ft·lb
| 牛顿米 | 脚 |
|---|---|
| 0.01 N·m | 0.007 ft·lb |
| 0.1 N·m | 0.074 ft·lb |
| 1 N·m | 0.738 ft·lb |
| 2 N·m | 1.475 ft·lb |
| 3 N·m | 2.213 ft·lb |
| 5 N·m | 3.688 ft·lb |
| 10 N·m | 7.376 ft·lb |
| 20 N·m | 14.751 ft·lb |
| 30 N·m | 22.127 ft·lb |
| 40 N·m | 29.502 ft·lb |
| 50 N·m | 36.878 ft·lb |
| 60 N·m | 44.254 ft·lb |
| 70 N·m | 51.629 ft·lb |
| 80 N·m | 59.005 ft·lb |
| 90 N·m | 66.38 ft·lb |
| 100 N·m | 73.756 ft·lb |
| 250 N·m | 184.39 ft·lb |
| 500 N·m | 368.781 ft·lb |
| 750 N·m | 553.171 ft·lb |
| 1000 N·m | 737.561 ft·lb |
| 10000 N·m | 7,375.61 ft·lb |
| 100000 N·m | 73,756.103 ft·lb |
规则