Documentation/Calc Functions/PI

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Function name:

PI

Category:

Mathematical

Summary:

Returns the approximate value of the mathematical constant π to 14 decimal places.

Syntax:

PI()

Returns:

The real number 3.14159265358979, which is the approximate value of π to 14 decimal places.

Arguments:

None.

Additional details:

  • π can be defined as the ratio of a circle's circumference to its diameter.
  • A common use of π is in converting angles between radians and degrees.
    • Multiply the radians by 180/π (approximately 57.295779513) to convert to degrees.
    • Multiply the degrees by π/180 (approximately 0.01745329252) to convert to radians.
  • For more background information about π, visit Wikipedia's Pi page.

Examples:

Formula Description Returns
=PI() Here the function returns the value of π to 14 decimal places. 3.14159265358979
=4*4*PI() Here the formula calculates the area in cm2 of a circle of radius 4 cm. The area of a circle is given by [math]\displaystyle{ \pi\times (radius)^{2} }[/math]. 50.2654824574367

Related LibreOffice functions:

DEGREES

RADIANS

SQRTPI

ODF standard:

Section 6.16.45, part 2

Equivalent Excel functions:

PI