" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
60 a = 0,6 ha
0,4 km² = 40 ha
1,9 km² = 1,9·10000 a = 19000 a
6,9 ha = 0,069 km²