Square Inches to Square Miles - Convert sq in to sq mi

Square Inches (sq in) Conversion

A square inch is a unit of area defined as the area of a square with all sides being one inch long. One square inch is exactly 6.4516 square centimeters and 0.00694 square feet.

Square Miles (sq mi) Conversion

A square mile is a traditional unit of area in the imperial and Us customary systems, which is equal to the area of a square with one-mile sides. One square mile is 4,014,489,600 square inches, 2.589988 square kilometers, or 640 acres.