| 210 mm * | 0.0393700787 in | = 8.2677165354 in | 
| 1 mm | 
| Mjerna jedinica | Duljine | 
|---|---|
| Nanometar | 210000000.0 nm | 
| mikrometar | 210000.0 µm | 
| Milimetar | 210.0 mm | 
| Centimetar | 21.0 cm | 
| Palac | 8.2677165354 in | 
| Stopa | 0.688976378 ft | 
| Jard | 0.2296587927 yd | 
| Metar | 0.21 m | 
| Kilometar | 0.00021 km | 
| Milja | 0.000130488 mi | 
| Nautička milja | 0.0001133909 nmi | 
