What does Pi equal?


Quick Answer

The number Pi, symbolized by a Greek letter, has a constant value that approximately equals 3.14159. Pi is an irrational number, which means it cannot be expressed as a common fraction, and it has an infinite decimal representation without any repeating pattern.

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Full Answer

Pi, by definition, is the ratio of a circle���s circumference to its diameter (Pi = C/d). This constant is used to solve the area of a circle, with the formula ���Pi r squared��� or ���the product of Pi and the square of the length of the radius.��� The rounded-off version of Pi is accepted for general computations. Here���s Pi up to 20 decimal digits: 3.14159265358979323846.

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