How many?

Square Nautical Miles

The area equal to a square that is 1 nautical mile on each side. How many square nautical miles is the Mediterranean Sea? the Mediterranean Sea is just over 732,466.118 square nautical miles.

Hectares

The hectare is a non-SI metric unit of area equal to a square with 100-metre sides (1 hm2), or 10,000 m2, and is primarily used in the measurement of land. There are 100 hectares in one square kilometre. An acre is about 0.405 hectare and one hectare contains about 2.47 acres. Hacienda Nápoles, the luxurious ranch built by notorious drug lord Pablo Escobar, and which included a zoo complete with animals such as antelope, elephants, exotic birds, giraffes, hippopotamuses, ostriches, and ponies, was 1,500 hectares in size.