What are Square Feet?
Square feet are units of measurement used to quantify area in the English/ Imperial system. Square feet is a unit commonly used in the imperial and US customary systems.
A square foot is a unit of area equal to a square with sides that are each one foot long. It is often used to measure the size of rooms, houses, and small plots of land.
What are Square Inches?
A square inch is the area of a square one inch on each side, which is exactly 6.4516 square centimeters or 0.00064516 square meters.