FYZIKA PLOŠNÝ OBSAH a AR
Tabulka pro převod a [ar]:
| 1 a = | 100000000 | mm² |
| 1 a = | 1000000 | cm² |
| 1 a = | 10000 | dm² |
| 1 a = | 100 | m² |
| 1 a = | 0.0001 | km² |
| 1 a = | 0.01 | ha |
| 1 a = | 0.024710538146717 | acre |
| 1 a = | 155000.31000062 | sq in |
| 1 a = | 1076.391041671 | sq ft |
| 1 a = | 119.59900463011 | sq yd |
| 1 a = | 3,86102 x 10-5 | mile² |