| 30.5 mm * | 0.0393700787 in | = 1.2007874016 in | 
| 1 mm | 
| Eenhede van meting | Lengte | 
|---|---|
| Nanometer | 30500000.0 nm | 
| Mikrometer | 30500.0 µm | 
| Millimeter | 30.5 mm | 
| Sentimeter | 3.05 cm | 
| Duim | 1.2007874016 in | 
| Voet | 0.1000656168 ft | 
| Jaart | 0.0333552056 yd | 
| Meter | 0.0305 m | 
| Kilometer | 3.05e-05 km | 
| Myl | 1.89518e-05 mi | 
| Seemyl | 1.64687e-05 nmi | 
