MS Excel: ASIN Function (WS)

This Excel tutorial explains how to use the Excel ASIN function with syntax and examples.


The Microsoft Excel ASIN function returns the arcsine (in radians) of a number.


The syntax for the Microsoft Excel ASIN function is:

ASIN( number )

Parameters or Arguments

number is a number between -1 and 1. It is the sine of the angle that you wish to find.

Applies To

The ASIN function can be used in the following versions of Microsoft Excel:

  • Excel 2013, Excel 2011 for Mac, Excel 2010, Excel 2007, Excel 2003, Excel XP, Excel 2000

Type of Excel Function

The ASIN function can be used in Microsoft Excel as the following type of function:

  • Worksheet function (WS)

Example (as Worksheet Function)

Let's look at some Excel ASIN function examples and explore how to use the ASIN function as a worksheet function in Microsoft Excel:

Microsoft Excel

Based on the spreadsheet above, the following Excel ASIN examples would return:

Result: -0.927295218

Result: 0

Result: 0.848062079

Result: 0.201357921