1000ha = $\frac{1000}{100}$ha = 10$km^{2}$
125ha = $\frac{125}{100}$ha = 1,25$km^{2}$
12,5ha = $\frac{12,5}{100}$ha = 0,125$km^{2}$
3,2ha= $\frac{3,2}{100}$ha = 0,032$km^{2}$
1000ha = $\frac{1000}{100}$ha = 10$km^{2}$
125ha = $\frac{125}{100}$ha = 1,25$km^{2}$
12,5ha = $\frac{12,5}{100}$ha = 0,125$km^{2}$
3,2ha= $\frac{3,2}{100}$ha = 0,032$km^{2}$