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ASIN function in Excel

Returns the arcsine of a number

=ASIN(number)

ASIN syntax and parameters

One argument, one required.

  • numbernumberRequired

    The sine of the angle you want and must be from -1 to 1.

ASIN examples

Formulas you'll actually reuse.

  1. The arcsine of 0.5, in radians:

    =ASIN(0.5)

    Result0.5236

  2. The same angle in degrees — wrap in DEGREES:

    =DEGREES(ASIN(0.5))

    Result30

ASIN in Google Sheets

Same name — your formula ports as-is.

Try ASIN in the playground

Edit the example — nothing to install.

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

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Related functions

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