| 681 cm * | 0.3937007874 in | = 268.11023622 in | 
| 1 cm | 
| Mõõtühik | Pikkus | 
|---|---|
| nanomeeter | 6810000000.0 nm | 
| Mikromeeter | 6810000.0 µm | 
| Millimeeter | 6810.0 mm | 
| Sentimeeter | 681.0 cm | 
| Toll | 268.11023622 in | 
| Jalg | 22.342519685 ft | 
| Õu | 7.4475065617 yd | 
| Meeter | 6.81 m | 
| Kilomeeter | 0.00681 km | 
| Miil | 0.0042315378 mi | 
| Meremiil | 0.0036771058 nmi | 
