| 2.8 mm * | 0.1 cm | = 0.28 cm | 
| 1 mm | 
| Natuurkundige eenheid | Lengte | 
|---|---|
| Nanometer | 2800000.0 nm | 
| Micrometer | 2800.0 µm | 
| Millimeter | 2.8 mm | 
| Centimeter | 0.28 cm | 
| Inch | 0.1102362205 in | 
| Voet | 0.0091863517 ft | 
| Yard | 0.0030621172 yd | 
| Meter | 0.0028 m | 
| Kilometer | 2.8e-06 km | 
| Mijl | 1.7398e-06 mi | 
| Zeemijl | 1.5119e-06 nmi | 
