Calculate the area and perimeter of a rectangle. This calculator uses feet and or inches for measurements.
Rectangle = a four-sided shape with the opposite sides running parallel to each other and four 90° corners.
A = ab P = 2(a+b) where A is the area of the rectangle a is the length b the width P the perimeter of the rectangle
one square foot ( ft²) = 144 square inches (in²) one square inch (in²) = 0.00694444444444443 square feet (ft²) one square foot ( ft²) = 0.09290304 square metres (m²) square inch (in²) = 0.00064516 square metres (m²)