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 lbf = 444,822 dyn
1 dyn = 2.2481e-6 lbf
例子:
将15 磅力转换为达因：
15 lbf = 6,672,330 dyn
| 磅力 | 达因 |
|---|---|
| 0.01 lbf | 4,448.22 dyn |
| 0.1 lbf | 44,482.2 dyn |
| 1 lbf | 444,822 dyn |
| 2 lbf | 889,644 dyn |
| 3 lbf | 1,334,466 dyn |
| 5 lbf | 2,224,110 dyn |
| 10 lbf | 4,448,220 dyn |
| 20 lbf | 8,896,440 dyn |
| 30 lbf | 13,344,660 dyn |
| 40 lbf | 17,792,880 dyn |
| 50 lbf | 22,241,100 dyn |
| 60 lbf | 26,689,320 dyn |
| 70 lbf | 31,137,540 dyn |
| 80 lbf | 35,585,760 dyn |
| 90 lbf | 40,033,980 dyn |
| 100 lbf | 44,482,200 dyn |
| 250 lbf | 111,205,500 dyn |
| 500 lbf | 222,411,000 dyn |
| 750 lbf | 333,616,500 dyn |
| 1000 lbf | 444,822,000 dyn |
| 10000 lbf | 4,448,220,000 dyn |
| 100000 lbf | 44,482,200,000 dyn |
规则