Dimensions of a Rectangle Calculator

Your details

Pick the two values you already know.
The longer dimension of the rectangle.
m
The shorter dimension of the rectangle.
m
Length
8m

The longer dimension of the rectangle

Width5m
Area40m²
Perimeter26m
Diagonal9.434m
Aspect ratio8:5
Diagonal angle32.01deg

Rectangle: 8.000 m x 5.000 m

  • Area is 40.00 m² and perimeter is 26.00 m.
  • The diagonal (corner to corner) is 9.434 m.
  • Aspect ratio is approximately 8:5.

Next stepUse the Area + Perimeter mode to reverse-solve: if you know the area and perimeter, the calculator finds the individual side lengths for you.

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