Geometry Calculator

Calculate area and perimeter of various shapes.

Area = side², Perimeter = 4 × side

Side length:

Area = length × width, Perimeter = 2 × (length + width)

Length:

Width:

Area = π × radius², Circumference = 2 × π × radius

Radius:

Area = ½ × base × height, Perimeter = a + b + c

Base:

Height:

Side A:

Side B:

Side C:

Area = ½ × (base1 + base2) × height, Perimeter = a + b + c + d

Base 1:

Base 2:

Height:

Side A:

Side B:

Area:

Perimeter: