| 178 mm * | 0.1 cm | = 17.8 cm | 
| 1 mm | 
| Natuurkundige eenheid | Lengte-eenheid | 
|---|---|
| Nanometer | 178000000.0 nm | 
| Micrometer | 178000.0 µm | 
| Millimeter | 178.0 mm | 
| Centimeter | 17.8 cm | 
| Inch | 7.0078740157 in | 
| Voet | 0.5839895013 ft | 
| Yard | 0.1946631671 yd | 
| Meter | 0.178 m | 
| Kilometer | 0.000178 km | 
| Mijl | 0.0001106041 mi | 
| Zeemijl | 9.61123e-05 nmi | 
