| 21 in * | 2.54 cm | = 53.34 cm |
| 1 in |
| Natuurkundige eenheid | Lengtes |
|---|---|
| Nanometer | 533400000.0 nm |
| Micrometer | 533400.0 µm |
| Millimeter | 533.4 mm |
| Centimeter | 53.34 cm |
| Inch | 21.0 in |
| Voet | 1.75 ft |
| Yard | 0.5833333333 yd |
| Meter | 0.5334 m |
| Kilometer | 0.0005334 km |
| Mijl | 0.0003314394 mi |
| Zeemijl | 0.000288013 nmi |
