Rectangle Area & Perimeter Calculator
Enter length and width to calculate the rectangle's area and perimeter.
Rectangle Area & Perimeter Calculator
Enter length and width to calculate the rectangle's area and perimeter.
Calculate circle area and circumference from radius, diameter, or circumference
Compute cone volume from radius and height.
Compute cube volume and related measurements from side length.
Compute cylinder volume and surface area from radius and height.
Compute the area of an irregular polygon using the shoelace formula.
Area is calculated as length x width.
Perimeter is calculated as 2 x (length + width).