Our diagonal of a rectangle calculator is an extensive tool that quickly finds the diagonal and other parameters of a rectangle. Have you met a specific rectangle problem and you don't know how …

The formula to find the diagonal of a rectangle is d = √ (l² + w²), where l is the length and w is the width of the rectangle. For example, the diagonal of a rectangle of length 6m and width 2m is …

Free online Diagonal of a rectangle calculator – Enter the length and width of the rectangle with different length units then click the calculate button. The diagonal of a rectangle is a line …

The diagonal calculator measures the diagonal, area, perimeter, and diagonal angle of a rectangle. You just need to enter only two values to find the diagonal of the rectangle.

Oct 15, 2025 · To find a measurement of a diagonal inside a rectangle, start by finding the rectangle's width and length. Next, square the width and length and add them together.

Aug 1, 2025 · Calculate the unknown defining areas, diagonals and angles with any three known variables. Online calculators and formulas for an rectangles and other geometry problems.

Calculate the diagonal of any rectangle quickly using this online tool empowered by the Pythagorean theorem. Enter the width and height, choose your preferred units, and get an …

Quickly calculate the diagonal length of any rectangle using our Rectangle Diagonal Calculator. Includes formula, examples, steps, and FAQs.

As you can see, a diagonal of a rectangle divides it into two right triangles, BCD and DAB. The diagonal of the rectangle is the hypotenuse of these triangles. We can use Pythagoras' …

Use our free diagonal calculator to quickly find the diagonal of a square, rectangle, or parallelogram. Learn diagonal formulas with examples.