| 4040 mm * | 0.1 cm | = 404.0 cm | 
| 1 mm | 
| Måleenhed | Længde | 
|---|---|
| Nanometer | 4040000000.0 nm | 
| Mikrometer | 4040000.0 µm | 
| Nillimeter | 4040.0 mm | 
| Centimeter | 404.0 cm | 
| Tomme | 159.05511811 in | 
| Fod | 13.2545931759 ft | 
| Yard | 4.4181977253 yd | 
| Meter | 4.04 m | 
| Kilometer | 0.00404 km | 
| Nil | 0.0025103396 mi | 
| Sømil | 0.0021814255 nmi | 
