Calculate rectangle properties
Our Rectangle Calculator computes all properties of a rectangle from any two measurements. Enter length and width (or any combination of properties) to calculate area, perimeter, diagonal length, and more. Essential for construction, flooring calculations, room planning, geometry homework, and any application involving rectangular shapes. Shows formulas and provides visual diagrams for better understanding.
Area and perimeter calculations
Diagonal length using Pythagorean theorem
Reverse calculations (find dimensions from area)
Shows all formulas
Visual rectangle diagram
Unit flexibility
Educational explanations
Enter two rectangle measurements (typically length and width). The calculator computes area, perimeter, diagonal, and displays formulas used. Can also work backwards from area to find dimensions.
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