Geometry Calculators
Solve area, perimeter, circumference, and volume questions with precise formulas, interactive builders, and coordinate support.
Triangle builder
Find area, perimeter, medians, and heights for general triangles.
Right triangle
Pythagorean, trigonometric, and height calculations in one place.
Circle & arc
Radius, diameter, circumference, and sector area formulas instantly computed.
Squares & polygons
Compute side lengths, diagonals, and area for regular polytopes.
Solid geometry
Volumes, surface areas, and nets for prisms, cylinders, and cones.
Spheres & rotations
Find great-circle distances, spherical volume, and surface area.