Online Calculators > Math Calculators > Rectangle Calculator
Rectangle Calculator
Rectangle Calculator  calculate the area, perimeter and diagonal of a rectangle. Online rectangle calculator to calculate the area, perimeter and diagonal given the length and width of the rectangle.
Area: 
32 
Perimeter: 
24 
Diagonal: 
8.9443 
Rectangle Formula
Following is the rectangle formula on how to calculate rectangle area, perimeter and diagonal.
Area of Rectangle = l * w,
Perimeter of Rectangle = 2(l + w),
Diagonal of Rectangle = √l^{2}+w^{2}, where
l = length of the rectangle
w = width of the rectangle
