| 40.4 mm * | 0.1 cm | = 4.04 cm | 
| 1 mm | 
| Eenhede van meting | Lengtes | 
|---|---|
| Nanometer | 40400000.0 nm | 
| Mikrometer | 40400.0 µm | 
| Millimeter | 40.4 mm | 
| Sentimeter | 4.04 cm | 
| Duim | 1.5905511811 in | 
| Voet | 0.1325459318 ft | 
| Jaart | 0.0441819773 yd | 
| Meter | 0.0404 m | 
| Kilometer | 4.04e-05 km | 
| Myl | 2.51034e-05 mi | 
| Seemyl | 2.18143e-05 nmi | 
