Polygon Area Calculator
Computes the exact area of any simple polygon from its vertex coordinates with the shoelace formula, plus the perimeter and centroid.
Read the full guide to this tool
Results
Notes
- Vertices must be listed in order around the boundary (either direction); self-intersecting polygons give wrong areas.
Explore the idea
Related tools
3D Solid Geometry Calculator
Volume and surface area of spheres, cones, prisms and more.
Circle Calculator
Radius, circumference, area, arcs, sectors and chords.
Coordinate Geometry Toolkit
Distance, midpoint, slope, line intersections and circles.
Right Triangle Calculator
Pythagoras plus angles, area and trig ratios from two values.
Triangle Solver
All sides, angles and the area from SSS, SAS, ASA or SSA.
Regular Polygon Calculator
Area, apothem, radii and angles of any regular n-gon.