| 2100 mm * | 0.0393700787 in | = 82.6771653543 in | 
| 1 mm | 
| Natuurkundige eenheid | Lengte | 
|---|---|
| Nanometer | 2100000000.0 nm | 
| Micrometer | 2100000.0 µm | 
| Millimeter | 2100.0 mm | 
| Centimeter | 210.0 cm | 
| Inch | 82.6771653543 in | 
| Voet | 6.8897637795 ft | 
| Yard | 2.2965879265 yd | 
| Meter | 2.1 m | 
| Kilometer | 0.0021 km | 
| Mijl | 0.0013048795 mi | 
| Zeemijl | 0.0011339093 nmi | 
