Geometry Calculators

Circle Calculator

Area, circumference, diameter and radius

Rectangle Calculator

Area, perimeter and diagonal of rectangles

Square Calculator

Area, perimeter and diagonal of squares

Right Triangle Calculator

Solve right triangles with Pythagorean theorem

Pythagorean Theorem

Find sides of right triangles

Parallelogram Calculator

Area and perimeter of parallelograms

Sphere Calculator

Volume, surface area of spheres

Cylinder Calculator

Volume, surface area of cylinders

Cone Calculator

Volume, surface area of cones

Cube Calculator

Volume, surface area of cubes

Rectangular Prism

Volume, surface area of rectangular prisms

Square Pyramid

Volume, surface area of pyramids

Trig Functions Calculator

Calculate sin, cos, tan and more

Trigonometric Ratios

SOH-CAH-TOA reference and calculator

Inverse Trig Functions

Calculate arcsin, arccos, arctan

Trig Function Graphs

Visualize trigonometric function graphs