The **ROUNDDOWN** function is a Math and Trigonometry function in **Microsoft Excel**, and its purpose is to round a number down towards zero. The formula for the ROUNDDOWN function is ROUNDDOWN(number, num-digits). The syntax for the ROUNDDOWN function is below:

**Number**: Any real number that you want to round down. It is required.**Num-digits**: The number of digits to which you want to round number. It is required.

## How to use the ROUNDDOWN function in Excel

There are 3 methods to use the ROUNDDOWN function in Excel to round up numbers, and we have explained all of them in this post:

- Launch Microsoft Excel.
- Create a table or use an existing table from your files.
- Place the formula into the cell you want to see the result.
- Press the Enter Key.

Launch **Microsoft Excel**.

Create a table or use an existing table from your files.

Place the formula **=ROUNDOWN(A2, B2)** into the cell you want to see the result.

Press enter to see the result.

The result is *42 *because it is rounded down to zero decimal places.

Drag the fill handle down to display the result for the other numbers in the table.

- In cell
*C3*, the result is*765.56*; the number rounds down to two decimal places. - In cell
*C4*, the result is*-333.3*; the number rounds down to one decimal place. - In cell
*C5*, the result is*45000*; the number rounds down to three decimal places to the left of the decimal point.

There are two other methods to use the ROUNDDOWN function.

**Another way** is to click the *fx* button on the top left of the Excel worksheet.

An **Insert Function** dialog box will appear.

Inside the dialog box in the section, **Select a Category**, select *Math and Trigonometry *from the list box.

In the section **Select a Function**, choose the *ROUNDDOWN *function from the list.

Then click *OK.*

*A Function Arguments dialog box will open.*

In the **Number** entry box, input into the entry box cell* A2.*

In the **Num-digits **entry box, input into the entry box cell* B2.*

Then click* OK.*

**Yet another way** is to click the **Formulas **tab, then click the *Math and Trigonometry *button in the *Function Library* group.

Then select *ROUNDDOWN *from the drop-down menu.

A **Function Arguments** dialog box will open.

We hope this tutorial helps you understand how to use the ROUNDDOWN function in Microsoft Excel; if you have questions about the tutorial, let us know in the comments.

### How do you show 2 decimal places in Excel without rounding?

Follow the steps to round a number to two decimal places without using a rounding excel function

- Click the cell with the decimal you want to round down to two decimal places.
- Click the arrow at the right corner of the Number group
- A Format cells dialog box will open.
- Click Number on the left pane.
- In the Decimal places box, put the number to two.
- Then click OK.

### How do you round to the nearest 10000 in Excel?

If you want to round a number to the nearest 1000 in Excel, there are various formulas you could use, such as Round, RoundUp, RoundDown, Ceiling. Floor and MRound. These functions are Math and Trigonometry functions, that round numbers.