Calculator Use Use this calculator if you know 2 values for the rectangle, including 1 side length, along with area, perimeter or diagonals and you can calculate the other 3 rectangle variables. A

Calculate width & length of a rectangle step by step. What I want to Find. Width Given Area Width Given Perimeter Length Given Area Length Given Perimeter. Please pick an option first.

d² = l² + w², and now you should know how to find the diagonal of a rectangle explicit formula - just take a square root: d = √ (l² + w²). Our diagonal of a rectangle calculator