Rectangle Calculator
Calculate area, perimeter, and diagonal of rectangles
Rectangle Dimensions
50
Area (w × h)
30
Perimeter 2(w + h)
11.18
Diagonal √(w² + h²)
2:1
Aspect Ratio
w = 10
h = 5
Square (Special Rectangle)
25
Area (s²)
20
Perimeter (4s)
7.07
Diagonal (s√2)
8.86
Circumradius