what's 1644km^2 how many acres is that? With calcultions
1 mile^2=640 acres
1 mile=1.609344 km
1 mile^2=1.609344^2 km=2.589988110336 km^2
1644 / 2.589988110336=634.75 miles^2
634.75 x 640=406,240 acres in 1,644 km^2.
