2D Shape Area & Perimeter Calculator
Comprehensive geometric area calculator supporting 8 common 2D shapes: rectangles, circles, triangles (base/height and Heron’s formula), trapezoids, parallelograms, ellipses, sectors, and regular polygons. Supports instant metric and imperial unit conversions.
2D Geometric Area & Perimeter Calculator
Calculate the area and perimeter of 8 geometric shapes with instant visual dimensions.
Equivalent to 0.006 hectares (ha)
Length × Width = 10 × 6
How to Use 2D Shape Area & Perimeter Calculator
Select Geometric Shape
Choose from Rectangle, Circle, Triangle, Trapezoid, Ellipse, Parallelogram, Sector, or Regular Polygon.
Input Dimensions & Unit
Enter dimensions and select meters, centimeters, feet, inches, or yards.
View Area & Equivalent Measures
Inspect the calculated area, perimeter/circumference, and converted unit equivalencies (acres, sq ft, sq m).
Frequently Asked Questions
Related Tools
Flooring Calculator for Hardwood, Vinyl Plank (LVP) & Laminate
Calculate total flooring square footage, cartons needed, waste buffer, and trim perimeter.
Pythagorean Theorem Calculator & Right Triangle Solver
Solve right triangle sides (a² + b² = c²), hypotenuse, angles, area, perimeter, and simplified radical expressions.
3D Volume & Liquid Capacity Calculator
Calculate volume, surface area, and fluid capacity (liters, gallons) for boxes, cylinders, spheres, cones, pyramids, and capsules.
Percentage Calculator
Calculate percentages, percentage increases, decreases, and percentage differences.