| 821 mm * | 0.1 cm | = 82.1 cm |
| 1 mm |
| Eenhede van meting | Lengtes |
|---|---|
| Nanometer | 821000000.0 nm |
| Mikrometer | 821000.0 µm |
| Millimeter | 821.0 mm |
| Sentimeter | 82.1 cm |
| Duim | 32.3228346457 in |
| Voet | 2.6935695538 ft |
| Jaart | 0.8978565179 yd |
| Meter | 0.821 m |
| Kilometer | 0.000821 km |
| Myl | 0.0005101457 mi |
| Seemyl | 0.0004433045 nmi |
