### Excel ROUNDDOWN Function

This tutorial demonstrates how to use the Excel ROUNDDOWN Function in Excel to round a number down. ## ROUNDDOWN Function Overview

The ROUNDDOWN Function Rounds a number down (towards zero) to a specified number of digits.

To use the ROUNDDOWN Excel Worksheet Function, select a cell and type: (Notice how the formula inputs appear)

### ROUNDDOWN Function Syntax and Inputs:

number – A number.

num_digits – The number of decimal places to round. Negative rounds to the left of the decimal.

## How to use the ROUNDDOWN Function

### Round down to Nearest Whole Number

To round down to the nearest whole number set the num_digits argument to 0. ### Round down to Two Decimal Places

To round down to two decimal places, set the num_digits argument to 2. Here we will round down a price to the nearest cent: ### Round down to Nearest 10, 100, or 1000

To round down to the other side of the decimal (to 10, 100, or 1000s), use negative numbers for num_digits: ### Round down Percentages

When rounding down percentages remember that percentages are decimal values. So to round down to the nearest whole percentage use the ROUNDDOWN Function with num_digits = 2. ## Other ROUND Functions / Formulas

Excel / Google Sheets contains many other round functions. Here are quick examples of each: Below, we will point out a few functions in particular.

### ROUND and ROUNDUP

The ROUND and ROUNDUP Functions work exactly the same way as the ROUNDDOWN Function, except the ROUND Function uses normal rounding rules and ROUNDUP always rounds up. ### ROUND down to a Multiple

The FLOOR Function is similar to the ROUNDDOWN Function. It will round a number down, but the FLOOR Function allows you to round down to a specific multiple (instead of rounding to a specific number of digits). The ROUNDDOWN Function works exactly the same in Google Sheets as in Excel: ## ROUNDDOWN Examples in VBA

You can also use the ROUNDDOWN function in VBA. Type:` application.worksheetfunction.rounddown(number,num_digits)`

Executing the following VBA statements

will produce the following results For the function arguments (number, etc.), you can either enter them directly into the function, or define variables to use instead.