| 31.8 in * | 0.0254 m | = 0.80772 m | 
| 1 in | 
| Eenhede van meting | Lengtes | 
|---|---|
| Nanometer | 807720000.0 nm | 
| Mikrometer | 807720.0 µm | 
| Millimeter | 807.72 mm | 
| Sentimeter | 80.772 cm | 
| Duim | 31.8 in | 
| Voet | 2.65 ft | 
| Jaart | 0.8833333333 yd | 
| Meter | 0.80772 m | 
| Kilometer | 0.00080772 km | 
| Myl | 0.0005018939 mi | 
| Seemyl | 0.0004361339 nmi | 
