| 646 cm * | 0.3937007874 in | = 254.330708661 in |
| 1 cm |
| Eenhede van meting | Lengte |
|---|---|
| Nanometer | 6460000000.0 nm |
| Mikrometer | 6460000.0 µm |
| Millimeter | 6460.0 mm |
| Sentimeter | 646.0 cm |
| Duim | 254.330708661 in |
| Voet | 21.1942257218 ft |
| Jaart | 7.0647419073 yd |
| Meter | 6.46 m |
| Kilometer | 0.00646 km |
| Myl | 0.0040140579 mi |
| Seemyl | 0.003488121 nmi |
