| 21 m * | 3.280839895 ft | = 68.8976377953 ft |
| 1 m |
| Mõõtühik | Pikkus |
|---|---|
| nanomeeter | 21000000000.0 nm |
| Mikromeeter | 21000000.0 µm |
| Millimeeter | 21000.0 mm |
| Sentimeeter | 2100.0 cm |
| Toll | 826.771653543 in |
| Jalg | 68.8976377953 ft |
| Õu | 22.9658792651 yd |
| Meeter | 21.0 m |
| Kilomeeter | 0.021 km |
| Miil | 0.013048795 mi |
| Meremiil | 0.0113390929 nmi |
