Geometry calculators
10 free geometry calculators with step-by-step solutions.
2D shapes
- Area calculator— Calculate area of circles, rectangles, triangles, and more
- Circumference— Calculate circumference of a circle (C = 2πr)
- Hypotenuse— Find the missing side using the Pythagorean theorem
3D shapes
- Volume calculator— Volume of spheres, cones, cylinders, cubes, and prisms
- Surface area— Total and lateral surface area of 3D shapes
Coordinate geometry
- Distance calculator— Distance between two points in 2D or 3D
- Midpoint calculator— Find the midpoint between two coordinates
- Slope calculator— Calculate slope and equation of a line
Circles & conics
- Circle equation— Find (x−h)² + (y−k)² = r² from center and radius
- Conic sections— Identify and analyze circles, ellipses, parabolas, hyperbolas
What is geometry?
Geometry studies shapes, sizes, positions, and properties of space. From calculating room areas to engineering 3D structures, geometry is everywhere in practical life.
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