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 ft·lbf = 135,582 dyn
1 dyn = 7.3756e-6 ft·lbf
例子:
将15 脚击力转换为达因：
15 ft·lbf = 2,033,730 dyn
| 脚击力 | 达因 |
|---|---|
| 0.01 ft·lbf | 1,355.82 dyn |
| 0.1 ft·lbf | 13,558.2 dyn |
| 1 ft·lbf | 135,582 dyn |
| 2 ft·lbf | 271,164 dyn |
| 3 ft·lbf | 406,746 dyn |
| 5 ft·lbf | 677,910 dyn |
| 10 ft·lbf | 1,355,820 dyn |
| 20 ft·lbf | 2,711,640 dyn |
| 30 ft·lbf | 4,067,460 dyn |
| 40 ft·lbf | 5,423,280 dyn |
| 50 ft·lbf | 6,779,100 dyn |
| 60 ft·lbf | 8,134,920 dyn |
| 70 ft·lbf | 9,490,740 dyn |
| 80 ft·lbf | 10,846,560 dyn |
| 90 ft·lbf | 12,202,380 dyn |
| 100 ft·lbf | 13,558,200 dyn |
| 250 ft·lbf | 33,895,500 dyn |
| 500 ft·lbf | 67,791,000 dyn |
| 750 ft·lbf | 101,686,500 dyn |
| 1000 ft·lbf | 135,582,000 dyn |
| 10000 ft·lbf | 1,355,820,000 dyn |
| 100000 ft·lbf | 13,558,200,000 dyn |
规则