| 840 in * | 0.0254 m | = 21.336 m |
| 1 in |
| Eenhede van meting | Lengte |
|---|---|
| Nanometer | 21336000000.0 nm |
| Mikrometer | 21336000.0 µm |
| Millimeter | 21336.0 mm |
| Sentimeter | 2133.6 cm |
| Duim | 840.0 in |
| Voet | 70.0 ft |
| Jaart | 23.3333333333 yd |
| Meter | 21.336 m |
| Kilometer | 0.021336 km |
| Myl | 0.0132575758 mi |
| Seemyl | 0.0115205184 nmi |
