力是一种相互作用，当没有反对时，会改变对象的运动。它是在纽顿（N）中测量的。
1 k lbf = 3,280.834 ft·lbf
1 ft·lbf = 0 k lbf
例子:
将15 千射手转换为脚击力：
15 k lbf = 49,212.506 ft·lbf
| 千射手 | 脚击力 |
|---|---|
| 0.01 k lbf | 32.808 ft·lbf |
| 0.1 k lbf | 328.083 ft·lbf |
| 1 k lbf | 3,280.834 ft·lbf |
| 2 k lbf | 6,561.667 ft·lbf |
| 3 k lbf | 9,842.501 ft·lbf |
| 5 k lbf | 16,404.169 ft·lbf |
| 10 k lbf | 32,808.337 ft·lbf |
| 20 k lbf | 65,616.675 ft·lbf |
| 30 k lbf | 98,425.012 ft·lbf |
| 40 k lbf | 131,233.35 ft·lbf |
| 50 k lbf | 164,041.687 ft·lbf |
| 60 k lbf | 196,850.024 ft·lbf |
| 70 k lbf | 229,658.362 ft·lbf |
| 80 k lbf | 262,466.699 ft·lbf |
| 90 k lbf | 295,275.037 ft·lbf |
| 100 k lbf | 328,083.374 ft·lbf |
| 250 k lbf | 820,208.435 ft·lbf |
| 500 k lbf | 1,640,416.869 ft·lbf |
| 750 k lbf | 2,460,625.304 ft·lbf |
| 1000 k lbf | 3,280,833.739 ft·lbf |
| 10000 k lbf | 32,808,337.39 ft·lbf |
| 100000 k lbf | 328,083,373.899 ft·lbf |
规则