| 12.2 in * | 0.0254 m | = 0.30988 m | 
| 1 in | 
| Mittayksikkö | Pituus | 
|---|---|
| Nanometri | 309880000.0 nm | 
| Mikrometri | 309880.0 µm | 
| Millimetri | 309.88 mm | 
| Senttimetri | 30.988 cm | 
| Tuuma | 12.2 in | 
| Jalka | 1.0166666667 ft | 
| Jaardi | 0.3388888889 yd | 
| Metri | 0.30988 m | 
| Kilometri | 0.00030988 km | 
| Maili | 0.0001925505 mi | 
| Merimaili | 0.0001673218 nmi | 
