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 mm = 1,000,000 nm
1 nm = 1.0000e-6 mm
例子:
将15 毫米转换为纳米：
15 mm = 15,000,000 nm
| 毫米 | 纳米 |
|---|---|
| 0.01 mm | 10,000 nm |
| 0.1 mm | 100,000 nm |
| 1 mm | 1,000,000 nm |
| 2 mm | 2,000,000 nm |
| 3 mm | 3,000,000 nm |
| 5 mm | 5,000,000 nm |
| 10 mm | 10,000,000 nm |
| 20 mm | 20,000,000 nm |
| 30 mm | 30,000,000 nm |
| 40 mm | 40,000,000 nm |
| 50 mm | 50,000,000 nm |
| 60 mm | 60,000,000 nm |
| 70 mm | 70,000,000 nm |
| 80 mm | 80,000,000 nm |
| 90 mm | 90,000,000 nm |
| 100 mm | 100,000,000 nm |
| 250 mm | 250,000,000 nm |
| 500 mm | 500,000,000 nm |
| 750 mm | 750,000,000 nm |
| 1000 mm | 1,000,000,000 nm |
| 10000 mm | 10,000,000,000 nm |
| 100000 mm | 100,000,000,000 nm |
规则