| 688 cm * | 0.01 m | = 6.88 m |
| 1 cm |
| Natuurkundige eenheid | Lengtes |
|---|---|
| Nanometer | 6880000000.0 nm |
| Micrometer | 6880000.0 µm |
| Millimeter | 6880.0 mm |
| Centimeter | 688.0 cm |
| Inch | 270.866141732 in |
| Voet | 22.5721784777 ft |
| Yard | 7.5240594926 yd |
| Meter | 6.88 m |
| Kilometer | 0.00688 km |
| Mijl | 0.0042750338 mi |
| Zeemijl | 0.0037149028 nmi |
