| 637 cm * | 0.3937007874 in | = 250.787401575 in | 
| 1 cm | 
| Måleenhed | Længde | 
|---|---|
| Nanometer | 6370000000.0 nm | 
| Mikrometer | 6370000.0 µm | 
| Nillimeter | 6370.0 mm | 
| Centimeter | 637.0 cm | 
| Tomme | 250.787401575 in | 
| Fod | 20.8989501312 ft | 
| Yard | 6.9663167104 yd | 
| Meter | 6.37 m | 
| Kilometer | 0.00637 km | 
| Nil | 0.0039581345 mi | 
| Sømil | 0.0034395248 nmi | 
