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Excel

PI function in Excel

Returns the value of pi

=PI()

PI examples

Formulas you'll actually reuse.

  1. Area of a circle from its radius:

    =PI() * B2^2

    Result78.54

  2. Degrees to radians by hand (RADIANS does the same):

    =B2 * PI() / 180

    Result0.5236

PI in Google Sheets

Same name — your formula ports as-is.

Try PI in the playground

Edit the example — nothing to install.

Preloaded with the PI formula from Example 1 — change anything and watch it respond.

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