The question, as stated, cannot be answered sensibly. A square centimetre is a measure of area, with dimensions [L2]. An inch is a measure of distance, with dimensions [L]. The two measure different...
one acre = 6,272,640 square inches
0.0005739 acres Algebraic Steps / Dimensional Analysis25 ft²*1 acres 43560 ft²=0.0005739210285 acres
0.0015 acres = 9,408.96 square inches
1 acre = 6,272,640 in²