| 19.8 in * | 2.54 cm | = 50.292 cm | 
| 1 in | 
| Eenhede van meting | Lengtes | 
|---|---|
| Nanometer | 502920000.0 nm | 
| Mikrometer | 502920.0 µm | 
| Millimeter | 502.92 mm | 
| Sentimeter | 50.292 cm | 
| Duim | 19.8 in | 
| Voet | 1.65 ft | 
| Jaart | 0.55 yd | 
| Meter | 0.50292 m | 
| Kilometer | 0.00050292 km | 
| Myl | 0.0003125 mi | 
| Seemyl | 0.0002715551 nmi | 
