| 311 cm * | 0.032808399 ft | = 10.2034120735 ft | 
| 1 cm | 
| Natuurkundige eenheid | Lengtes | 
|---|---|
| Nanometer | 3110000000.0 nm | 
| Micrometer | 3110000.0 µm | 
| Millimeter | 3110.0 mm | 
| Centimeter | 311.0 cm | 
| Inch | 122.440944882 in | 
| Voet | 10.2034120735 ft | 
| Yard | 3.4011373578 yd | 
| Meter | 3.11 m | 
| Kilometer | 0.00311 km | 
| Mijl | 0.0019324644 mi | 
| Zeemijl | 0.0016792657 nmi | 
