Skip to content
Google Sheets

SIN function in Google Sheets

Returns the sine of an angle provided in radians.

=SIN(angle)

SIN syntax and parameters

One argument, one required.

  • anglenumberRequired

    The angle to find the sine of, in radians.

SIN examples

Formulas you'll actually reuse.

  1. Sine of 30° — convert degrees first, trig functions take radians:

    =SIN(RADIANS(30))

    Result0.5

  2. Sine of PI()/2 radians:

    =SIN(PI()/2)

    Result1

SIN in Excel

Same name — your formula ports as-is.

Try SIN in the playground

Edit the example — nothing to install.

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

Loading the editor…