1km2=1.0763911×107ft2=1.195990×106yd2=1.550031×109in21\ km^2 = 1.0763911×10^7 ft^2 = 1.195990×10^6 yd^2 = 1.550031×10^9 in^2 Wikipedia page forSquare kilometre What is hectares? A hectare (ha) is a unit of area, specifically a metric unit. It is equal to 10,000 square me...