An acre contains 43,560 square feet. The conversion says that it would be .459 of an acre.
About 29% of one acre.
About 29% of an acre (0.2869 acres).
400 x 50 = 20000
1 acre = 43,560 square feet 0.5 acre = 21,780 square feet
A plot of land measuring 50' x 130' is equivalent to 0.149 acres.
It is 2,178,000 cubic feet.
About 10% (9.88421%) of an acre.
125 hills per hectare
It is 50.
One acre can be divided into 108.9 parcels of 400 square feet.
50 to 250 is a 400% increase.
50-400 or so