totn Excel Functions

MS Excel: How to use the ROUNDDOWN Function (WS)

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

Description

The Microsoft Excel ROUNDDOWN function returns a number rounded down to a specified number of digits. (Always rounds towards 0.)

The ROUNDDOWN function is a built-in function in Excel that is categorized as a Math/Trig Function. It can be used as a worksheet function (WS) in Excel. As a worksheet function, the ROUNDDOWN function can be entered as part of a formula in a cell of a worksheet.

Syntax

The syntax for the ROUNDDOWN function in Microsoft Excel is:

ROUNDDOWN( number, digits )

Parameters or Arguments

number
The number to round down.
digits
The number of digits to round the number down to.

Returns

The ROUNDDOWN function returns a numeric value.

Applies To

  • Excel for Office 365, Excel 2019, Excel 2016, Excel 2013, Excel 2011 for Mac, Excel 2010, Excel 2007, Excel 2003, Excel XP, Excel 2000

Type of Function

  • Worksheet function (WS)

Example (as Worksheet Function)

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

Microsoft Excel

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

=ROUNDDOWN(A1, 0)
Result: 662

=ROUNDDOWN(A1, 1)
Result: 662.7

=ROUNDDOWN(A2, -1)
Result: 50

=ROUNDDOWN(55.1, -1)
Result: 50

=ROUNDDOWN(-23.67, 1)
Result: -23.6