ASIN Function in Excel: Syntax, Examples and Free Practice

By Rinkesh Shah, founder of Cellgrids.

ASIN is an Excel Math & Trig function. Returns the arcsine of a number, in radians.

ASIN syntax

=ASIN(number)

ASIN is used in financial models and engineering-style calculations where precise numeric work is needed.

Open the live Excel-style spreadsheet and try ASIN yourself. No Excel install or sign-up needed to start.

What does the ASIN function do in Excel?

Returns the arcsine of a number, in radians.

What is the syntax of ASIN in Excel?

The syntax is =ASIN(number). number: A number to use in the calculation.

Where can I practice ASIN online for free?

Open the free live spreadsheet on Cellgrids and try ASIN yourself. No Excel install is needed and you can start without signing up.