| 503 mm * | 0.1 cm | = 50.3 cm | 
| 1 mm | 
| Units of measurement | Unit of length | 
|---|---|
| Nanometre | 503000000.0 nm | 
| Micrometre | 503000.0 µm | 
| Millimetre | 503.0 mm | 
| Centimetre | 50.3 cm | 
| Inch | 19.8031496063 in | 
| Foot | 1.6502624672 ft | 
| Yard | 0.5500874891 yd | 
| Metre | 0.503 m | 
| Kilometre | 0.000503 km | 
| Mile | 0.0003125497 mi | 
| Nautical mile | 0.0002715983 nmi | 
