Welcome to Wiki Formulas

This website contains a database of formulas. Our current focus is perimeter and area formulas for plane geometry shapes.

Perimeter Calculators

Circle Perimeter

Perimeter of a Circle

Rectangle Perimeter

Perimeter of a Ring

Semiircle Perimeter

Perimeter of a Semicircle

Stadium Perimeter

Perimeter of a Stadium

Isosceles Triangle Perimeter

Perimeter of a Isosceles Triangle

Rectangle Perimeter

Perimeter of a Right Triangle

Circle Perimeter

Perimeter of a Equilateral Triangle

Circle Perimeter

Perimeter of a Scalene Triangle

Rhombus Perimeter

Perimeter of a square

Rectangle Perimeter

Perimeter of a Rectangle

Isosceles Trapezoid Perimeter

Perimeter of a Isosceles Trapezoid

Trapezoide Perimeter

Perimeter of a Trapezoid

Rhombus Perimeter

Perimeter of a Rhombus

Rhomboid Perimeter

Perimeter of a Rhomboid

Pentagon Perimeter

Perimeter of a Pentagon

Pentagram Perimeter

Perimeter of a Pentagram

Hexagon Perimeter

Perimeter of a Hexagon

Hexagram Perimeter

Perimeter of a Hexagram

Perímetro de un Dodecagono

Perimeter of a Heptagon

Perímetro de un Dodecagono

Perímeter of a Heptagram

Circle Perimeter

Perimeter of a Octagon

Octagram Perimeter

Perimeter of a Octagram

Circle Perimeter

Perimeter of a Nonagon

Circle Perimeter

Perimeter of a Nonagram

Circle Perimeter

Perimeter of a Decagon

Circle Perimeter

Perimeter of a Decagram

Circle Perimeter

Perimeter of a Dodecagon

Circle Perimeter

Perimeter of a Dodecagram

See all perimeter formulas

Area Calculators

Circle Area

Area of a Circle

Ring Area

Area of a Ring

Semicircle Area

Area of a Semicircle

Equiolateral Triangle Area

Area of a Equilateral Triangle

Isosceles Triangle Area

Area of a Isosceles Triangle

Scalene Triangle Area

Area of a Scalene Triangle

Square Area

Area of a Square

Isosceles Trapezoid Area

Area of a Isosceles Trapezoid

Trapezoid Area

Area of a Trapezoid

Right Triangle Area

Area of a Right Triangle

Rhombus Area

Area of a Rhombus

Pentagon Area

Area of a Pentagon

Hexagon Area

Area of a Hexagon

Hexagram Area

Area of a Hexagram

Heptagon Area

Area of a Heptagon

Heptagram Area

Area of a Heptagram

Octagon Area

Area of a Octagon

Nonagon Area

Area of a Nonagon

Nonagram Area

Area of a Nonagram

Decagon Area

Area of a Decagon

Decagram Area

Area of a Decagram

Dodecagon Area

Area of a Dodecagon

Dodecagon Area

Area of a Dodecagram

Hendecagon Area

Area of a Hendecagon

Hendecagram Area

Area of a Hendecagram

Stadium Area

Area of a Stadium

See all area formulas

Thoughts on Mathematics

Mathematics is the language with which God has written the universe.
- Galileo Galilei

I have hardly ever known a mathematician who was capable of reasoning.
- Plato

Mathematics is the queen of the sciences.
- Carl Friedrich Gauss

There is geometry in the humming of the strings, there is music in the spacing of the spheres (planets).
- Pythagoras

The laws of nature are but the mathematical thoughts of God.
- Euclid


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