| 4000 mm * | 0.1 cm | = 400.0 cm | 
| 1 mm | 
| Jednostka miary | Jednostka długości | 
|---|---|
| Nanometr | 4000000000.0 nm | 
| Mikrometr | 4000000.0 µm | 
| Milimetr | 4000.0 mm | 
| Centymetr | 400.0 cm | 
| Cal | 157.480314961 in | 
| Stopa | 13.1233595801 ft | 
| Jard | 4.3744531934 yd | 
| Metr | 4.0 m | 
| Kilometr | 0.004 km | 
| Mila | 0.0024854848 mi | 
| Mila morska | 0.0021598272 nmi | 
