| 40.4 cm * | 0.01 m | = 0.404 m | 
| 1 cm | 
| Natuurkundige eenheid | Lengtes | 
|---|---|
| Nanometer | 404000000.0 nm | 
| Micrometer | 404000.0 µm | 
| Millimeter | 404.0 mm | 
| Centimeter | 40.4 cm | 
| Inch | 15.905511811 in | 
| Voet | 1.3254593176 ft | 
| Yard | 0.4418197725 yd | 
| Meter | 0.404 m | 
| Kilometer | 0.000404 km | 
| Mijl | 0.000251034 mi | 
| Zeemijl | 0.0002181425 nmi | 
