Area Calculator

This area calculator evaluate the area of common shapes, including Rectangle, Triangle, Trapezoid, Circle, Sector, Ellipse, and Parallelogram online.

Rectangle

Length (l)
Width (w)

Triangle

Edge 1 (a)
Edge 2 (b)
Edge 3 (c)

Trapezoid

Base 1 (b ₁)
Base 2 (b ₂)
Height (h)

Circle

Radius (r)

Sector

Radius (r)
Angle (A)

Ellipse

Semi-major Axes (a)
Semi-minor Axes (b)

Area Ellipse

Parallelogram

Base (b)
Height (h)