| 31 cm * | 0.3937007874 in | = 12.2047244094 in |
| 1 cm |
| Eenhede van meting | Lengtes |
|---|---|
| Nanometer | 310000000.0 nm |
| Mikrometer | 310000.0 µm |
| Millimeter | 310.0 mm |
| Sentimeter | 31.0 cm |
| Duim | 12.2047244094 in |
| Voet | 1.0170603675 ft |
| Jaart | 0.3390201225 yd |
| Meter | 0.31 m |
| Kilometer | 0.00031 km |
| Myl | 0.0001926251 mi |
| Seemyl | 0.0001673866 nmi |
