Mathias Kunz, Willisau
| 0.258 ha in m^2 | 2580 m^2 |
| 350 cm^2 in m^2 | 0.035 m^2 |
| 35.0125 m^2 in a | 0.350125 a |
| 5.91 * 10^4 cm^2 in dm^2 | 591 dm^2 |
| 1000000 cm^2 in a | 1 a |
| 7.5 * 10^8 mm^2 in km^2 | 0.00075 km^2 |
| 500 ha in km^2 | 5 km^2 |
| 10101 mm^2 in dm^2 | 1.0101 dm^2 |
| 25 km^2 in a | 250000 a |
| 5 * 10^4 dm^2 in m^2 | 500 m^2 |
| 180000 cm^2 in ha | 0.0018 ha |
| 0.54321 m^2 in mm^2 | 543210 mm^2 |
| 0.135 ha in m^2 | 1350 m^2 |
| 45.25 a in cm^2 | 45250000 cm^2 |
| 60000 mm^2 in a | 0.0006 a |