长度是一个基本的物理量，可测量两个点之间的距离。它是国际单元（SI）中的七个基本单元之一，仪表（m）是其基本单元。
1 ft = 12 in
1 in = 0.083 ft
例子:
将15 脚转换为英寸：
15 ft = 180 in
| 脚 | 英寸 |
|---|---|
| 0.01 ft | 0.12 in |
| 0.1 ft | 1.2 in |
| 1 ft | 12 in |
| 2 ft | 24 in |
| 3 ft | 36 in |
| 5 ft | 60 in |
| 10 ft | 120 in |
| 20 ft | 240 in |
| 30 ft | 360 in |
| 40 ft | 480 in |
| 50 ft | 600 in |
| 60 ft | 720 in |
| 70 ft | 840 in |
| 80 ft | 960 in |
| 90 ft | 1,080 in |
| 100 ft | 1,200 in |
| 250 ft | 3,000 in |
| 500 ft | 6,000 in |
| 750 ft | 9,000 in |
| 1000 ft | 12,000 in |
| 10000 ft | 120,000 in |
| 100000 ft | 1,200,000 in |
规则