Geometry

29 tools · Shapes, area, volume, and coordinate geometry.

Open Scientific Lab Open Graph Lab

All Calculators Calculus Algebra Geometry Statistics & Probability

Triangle Calculator

Compute triangle sides, angles, and area.

Right Triangle Calculator

Solve right triangles from two known values.

Circle Calculator

Compute circle area, circumference, and radius.

Rectangle Calculator

Compute rectangle area and perimeter.

Square Calculator

Compute square area and perimeter.

Polygon Calculator

Regular polygon area and perimeter.

Area Calculator

Compute area for common 2D shapes.

Surface Area Calculator

Compute surface area of common 3D solids.

Volume Calculator

Compute volume of common 3D solids.

Distance Between Points

Distance between two points in 2D or 3D.

Midpoint Calculator

Find the midpoint between two points.

Slope Calculator

Calculate slope between two points.

Line Equation Calculator

Find line equations from points or slope.

Angle Calculator

Convert and compute angles.

Pythagorean Theorem Calculator

Solve a²+b²=c² for right triangles.

Heron's Formula Calculator

Triangle area from three side lengths.

Coordinate Geometry Calculator

Distance, midpoint, and slope in one place.

Vector Angle Calculator

Angle between two vectors.

Law of Sines Calculator

Solve triangles with the law of sines.

Law of Cosines Calculator

Solve triangles with the law of cosines.

Ellipse Calculator

Ellipse area and eccentricity.

Parabola Calculator

Focus and graph for y=a(x−h)²+k.

Hyperbola Calculator

Hyperbola eccentricity from a and b.

Sphere Calculator

Sphere volume and surface area.

Cylinder Calculator

Cylinder volume and surface area.

Cone Calculator

Cone volume and surface area.

Pyramid Calculator

Pyramid volume from base area and height.

Trig Identity Simplifier

Simplify trigonometric expressions.

Unit Circle Calculator

Point (cos θ, sin θ) on the unit circle.