Simple and easy to use homework geometry solver that proofs your solutions! Solve the perimeter, area, surface or volume of various geometric shapes with this geometry calculator.

Perimeter and surface calculator for 2D shapes:
- square,
- rectangle,
- circle,
- ellipse,
- triangle,
- trapezoid,
- parallelogram,
- trigonometry,
- equilateral triangle,
- isosceles triangle,
- right triangle,
- circular segment,
- circular sector,
- annular sector,
- elliptical segment,
- annulus,
- Quadratic function,
- Cubic function.

Area and volume calculator for 3D shapes:
- cone,
- truncated cone,
- pyramid,
- sphere,
- cube,
- cylinder,
- torus,
- right triangular prism,
- rectangular prism,
- truncated pyramid,
- barrel,
- asymmetric barrel,
- trapezoidal prism,
- paralellogram prism,
- wedge,
- elliptic cone,
- Tetrahedron,
- Octahedron,
- Dodecahedron,
- Icosahedron,
- oblique cylinder,
- oblique prism,
- oblique cone,
- oblique truncated cone,
- truncated elliptical cone
- triangular prism,
- frustum,
- right prism,
- Spherical sector,
- Spherical cap,
- Spherical segment,
- Spherical wedge,
- ellipsoid,
- toroid.

Recent changes:
Geometry solver now has 59 geometric shapes!
New ones are:
- prism with a regular base,
- elliptical paraboloid.