Calculate the area and perimeter of a pentagon.
This calculator uses feet and or inches for measurements.
Pentagon = five equal length sides
A = s²1.7204774005889669227590119773886 P = s5 where A is the area of the pentagon s the length of one of the sides P the perimeter of the pentagon
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)