| 82.1 mm * | 0.1 cm | = 8.21 cm | 
| 1 mm | 
| Mittayksikkö | Pituudet | 
|---|---|
| Nanometri | 82100000.0 nm | 
| Mikrometri | 82100.0 µm | 
| Millimetri | 82.1 mm | 
| Senttimetri | 8.21 cm | 
| Tuuma | 3.2322834646 in | 
| Jalka | 0.2693569554 ft | 
| Jaardi | 0.0897856518 yd | 
| Metri | 0.0821 m | 
| Kilometri | 8.21e-05 km | 
| Maili | 5.10146e-05 mi | 
| Merimaili | 4.43305e-05 nmi | 
