| 21.1 mm * | 0.0393700787 in | = 0.8307086614 in | 
| 1 mm | 
| Natuurkundige eenheid | Lengte-eenheid | 
|---|---|
| Nanometer | 21100000.0 nm | 
| Micrometer | 21100.0 µm | 
| Millimeter | 21.1 mm | 
| Centimeter | 2.11 cm | 
| Inch | 0.8307086614 in | 
| Voet | 0.0692257218 ft | 
| Yard | 0.0230752406 yd | 
| Meter | 0.0211 m | 
| Kilometer | 2.11e-05 km | 
| Mijl | 1.31109e-05 mi | 
| Zeemijl | 1.13931e-05 nmi | 
