| 4 cm * | 0.3937007874 in | = 1.5748031496 in | 
| 1 cm | 
| Natuurkundige eenheid | Lengtes | 
|---|---|
| Nanometer | 40000000.0 nm | 
| Micrometer | 40000.0 µm | 
| Millimeter | 40.0 mm | 
| Centimeter | 4.0 cm | 
| Inch | 1.5748031496 in | 
| Voet | 0.1312335958 ft | 
| Yard | 0.0437445319 yd | 
| Meter | 0.04 m | 
| Kilometer | 4e-05 km | 
| Mijl | 2.48548e-05 mi | 
| Zeemijl | 2.15983e-05 nmi | 
