| 400 cm * | 0.01 m | = 4.0 m | 
| 1 cm | 
| Måleenhed | Længde | 
|---|---|
| Nanometer | 4000000000.0 nm | 
| Mikrometer | 4000000.0 µm | 
| Nillimeter | 4000.0 mm | 
| Centimeter | 400.0 cm | 
| Tomme | 157.480314961 in | 
| Fod | 13.1233595801 ft | 
| Yard | 4.3744531934 yd | 
| Meter | 4.0 m | 
| Kilometer | 0.004 km | 
| Nil | 0.0024854848 mi | 
| Sømil | 0.0021598272 nmi | 
