Rectangle Length and Width from Perimeter Calculator

Your details

Choose what second value you already know.
The total distance around the rectangle: P = 2L + 2W.
m
Enter the length you already know. The width will be calculated.
m
Length
6m

The longer dimension of the rectangle

Width4m
Diagonal7.2111m
Area24m²
Aspect ratio3:2

Rectangle solved: 6.0000 m x 4.0000 m

  • The longer side (length) is 6.0000 m and the shorter side (width) is 4.0000 m.
  • The area enclosed by this rectangle is 24.0000 m^2.
  • The diagonal (corner to corner) measures 7.2111 m, useful when checking a rectangle for squareness during construction.

Next stepMultiply 6.0000 m by 4.0000 m to get the area, or use the Pythagorean theorem on the two sides to find the diagonal.

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