one square mile equals 259.10931136 hectares
259 Hectares in a square mile.
1 sq mile = 258.9988 hectares (to 4 dp), near enough 259 hectares.
1 sq km = 100 hectares. 1 sq mile = 2.59 sq km so 509 hectares = 5.09 sq km = 1.97 sq mile. You might also like to remember that 1 sq mile = 640 acres, and 1 hectare = 2.47 acres
2.6 sq km per square mile.
17.2 hectares = 0.172 sq km.
120 sq metres = 0.012 hectares
There are 31 people per sq. mile (12 per sq. kilometer) in Norway
1.69 hectares = 16900 sq metres
3.25 hectares
0.148645 hectares.
Spain - 231 people/sq mile
There is 4.4 people per. sq. mile.