| 1 mm = | 1000000000000 fm |
| 1 mm = | 1000000000 pm |
| 1 mm = | 10000000 Å |
| 1 mm = | 1000000 nm |
| 1 mm = | 1000 μm |
| 1 mm = | 0.1 cm |
| 1 mm = | 0.0394 in |
| 1 mm = | 0.01 dm |
| 1 mm = | 0.00328 ft |
| 1 mm = | 0.00109 yd |
| 1 mm = | 0.001 m |
| 1 mm = | 0.000001 km |
| 1 mm = | 0.000000621 mi |
| 1 mm = | 0.000000540 n.m. |
| 1 mm = | 0.000000207 lea |
| 1 mm = | 0.00000000000000668 AU |
| 1 mm = | 0.000000000000000000106 ly |
| 1 mm = | 0.0000000000000000000324 pc |