| 520 mm * | 0.0393700787 in | = 20.4724409449 in | 
| 1 mm | 
| Måleenhed | Længde | 
|---|---|
| Nanometer | 520000000.0 nm | 
| Mikrometer | 520000.0 µm | 
| Nillimeter | 520.0 mm | 
| Centimeter | 52.0 cm | 
| Tomme | 20.4724409449 in | 
| Fod | 1.7060367454 ft | 
| Yard | 0.5686789151 yd | 
| Meter | 0.52 m | 
| Kilometer | 0.00052 km | 
| Nil | 0.000323113 mi | 
| Sømil | 0.0002807775 nmi | 
