Geometry calculator

A handful of useful geometry calculator to help you solve your geometry problems.

Area calculator

Heron's formula calculator
Use this calculator to compute the area of a triangle when the height is not known.

Trapezoid calculator
This trapezoid calculator will compute the area of a trapezoid for you.

Area of a circle calculator
Given the radius, use this calculator to find the area of any circle.

Area of a sector calculator
Given the radius and the angle, use this calculator to find the area of any sector.

Volume calculator

Volume of a cube calculator
Use this calculator to find the volume of any cube

Volume of a box calculator
Find the volume of any box.

Volume of a cone calculator
Given the radius and the height, use this calculator to find the volume of any cone

Volume of a sphere calculator
Given the radius, Use this calculator to find the volume of any sphere.

Volume of a cylinder calculator
Use this calculator to compute the volume of a cylinder

Surface area calculator

Surface area of a cube calculator
Given the length of one side of a cube, use this calculator to find the surface area of any cube.

Surface area of a rectangular prism calculator
Given the length, the width and the height of a rectangular prism, use this calculator to find the surface area of any rectangular prism.

Surface area of a square pyramid calculator
Given the length of the square of the base and the slant height, use this calculator to find the surface area of any square pyramid.

Surface area of a cone calculator
Given the radius and the height of cone, use this calculator to find the surface area of any cone.

Surface area of a sphere calculator
Given the radius of the sphere, use this calculator to find the surface area of any sphere.

Surface area of a cylinder calculator
Given the radius and the height of the cylinder, use this calculator to find the surface area of any cylinder.

Triangle calculator

Pythagorean theorem calculator
Pythagoras of Samos!Use this Pythagorean theorem calculator to find the hypotenuse or any of the other two legs. Just enter your values and let the calculator do the rest!

Centroid of a triangle calculator
Use this calculator to find the centroid of a triangle

Circumference calculator

Circumference calculator
Given the radius, use this calculator to find the circumference of any circle.

Distance formula calculator

Distance formula calculator
Find the distance between two points.

Slope calculator

Slope calculator
Find the slope and the slope-intercept form of a line using two points.


Buy a comprehensive geometric formulas ebook. All geometric formulas are explained with well selected word problems so you can master geometry.

Geometry ebook


Tough algebra word problems

100 Tough Algebra Word Problems.

If you can solve these problems with no help, you must be a genius!

Math quizzes

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