MATH CALCULATOR
Rectangle Calculator
Effortlessly calculate the area, perimeter, and diagonal of rectangles with our intuitive tool.
What is the Rectangle Calculator & How does it work?
A rectangle is a four-sided polygon with all right angles. It has two pairs of parallel sides. The area of a rectangle can be calculated by multiplying its length by its width.The perimeter is the total distance around the rectangle, which can be calculated by adding together twice the length and twice the width.The diagonal of a rectangle can be found using the Pythagorean theorem: (Diagonal = sqrt{Length^2 + Width^2}).
Area = Length times Width
Length = the longer side of the rectangle
Width = the shorter side of the rectangle
Width = the shorter side of the rectangle
Parameters
Result—
Frequently Asked Questions
How do I calculate the area of a rectangle?
To find the area of a rectangle, multiply its length by its width.
What is the formula for the perimeter of a rectangle?
The perimeter of a rectangle is calculated by adding together twice the length and twice the width.
How do I find the diagonal of a rectangle?
Use the Pythagorean theorem: Diagonal = √(Length² + Width²).
Can this calculator handle decimal measurements?
Yes, you can input decimal values for length and width to get precise calculations.
Is there a limit to the size of the rectangle I can calculate?
The calculator can handle a wide range of sizes, but very large or very small numbers might not be accurate due to precision limits.
What if my rectangle has sides of equal length?
If both sides are equal, your rectangle is actually a square. You can still use this calculator, as it will work for squares too.
Can I use this calculator for other shapes?
This calculator is specifically designed for rectangles. For other shapes, you would need a different calculator.
Results are for informational purposes only and do not constitute professional advice.