| 49.9 mm * | 0.1 cm | = 4.99 cm | 
| 1 mm | 
| Måleenhed | Længde | 
|---|---|
| Nanometer | 49900000.0 nm | 
| Mikrometer | 49900.0 µm | 
| Nillimeter | 49.9 mm | 
| Centimeter | 4.99 cm | 
| Tomme | 1.9645669291 in | 
| Fod | 0.1637139108 ft | 
| Yard | 0.0545713036 yd | 
| Meter | 0.0499 m | 
| Kilometer | 4.99e-05 km | 
| Nil | 3.10064e-05 mi | 
| Sømil | 2.69438e-05 nmi | 
