| 250 mm * | 0.0393700787 in | = 9.842519685 in | 
| 1 mm | 
| Natuurkundige eenheid | Lengte-eenheid | 
|---|---|
| Nanometer | 250000000.0 nm | 
| Micrometer | 250000.0 µm | 
| Millimeter | 250.0 mm | 
| Centimeter | 25.0 cm | 
| Inch | 9.842519685 in | 
| Voet | 0.8202099738 ft | 
| Yard | 0.2734033246 yd | 
| Meter | 0.25 m | 
| Kilometer | 0.00025 km | 
| Mijl | 0.0001553428 mi | 
| Zeemijl | 0.0001349892 nmi | 
