| 12.9 mm * | 0.1 cm | = 1.29 cm | 
| 1 mm | 
| Måleenhed | Længder | 
|---|---|
| Nanometer | 12900000.0 nm | 
| Mikrometer | 12900.0 µm | 
| Nillimeter | 12.9 mm | 
| Centimeter | 1.29 cm | 
| Tomme | 0.5078740157 in | 
| Fod | 0.0423228346 ft | 
| Yard | 0.0141076115 yd | 
| Meter | 0.0129 m | 
| Kilometer | 1.29e-05 km | 
| Nil | 8.0157e-06 mi | 
| Sømil | 6.9654e-06 nmi | 
