Free tools for geometry calculations and conversions. All tools run in your browser with no data sent to any server.
10
Tools
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All Geometry Tools
Area Calculator
Calculate areas for common shapes
Circle Calculator
Calculate circle radius, diameter, circumference, and area
Pythagorean Calculator
Solve right triangles using a² + b² = c²
Triangle Calculator
Calculate triangle area and perimeter from side lengths
Volume Calculator
Calculate volume for common shapes
Aspect Ratio Visualizer
Visualize and compare aspect ratios for video, photography, and screens
Arc Length Calculator
Calculate arc length, sector area, and chord length from radius and angle
Hexagon Calculator
Calculate area, perimeter, diagonals, and inradius of a regular hexagon
Trapezoid Calculator
Calculate area, perimeter, height, and diagonals of a trapezoid
Surface Area Calculator
Calculate surface area for cubes, spheres, cylinders, cones, and more