## What Is ROUNDDOWN Function In Excel?

The

ROUNDDOWNfunction in Excelrounds down the numbers in a dataset to the nearest hundreds place, tens place, to the left of the decimal point, or to the required number of decimal places, to the right of the decimal point. TheROUNDDOWN Excel functionis an inbuilt function, so we can enter the formula directly in the worksheet or insert it from the “Function Library”.For example, the table below contains numbers in column A. We will apply the

ROUNDDOWN Excel functionas per the requirements in column B. Accordingly, column C provides the number of digits the given values should get rounded down to for achieving the required data in column D.

Select cell **D2**, enter the formula **=ROUNDDOWN(A2,C2),** and press the “**Enter**” key. Then, drag the formula from cell **D2** to **D8 **using the fill handle.

We get the output as shown above, in column D. Column E is for our reference.

[**Output Observation:** Let us consider the target cell **D4** formula. The **ROUNDDOWN Excel function **is **3.141592**, and returns the rounded-down number as **3.1415**. The reason is that the requirement is to round down the value, **3.141592**, to four decimal places.]

##### Table of contents

###### Key Takeaways

- The
**ROUNDDOWN Excel function**rounds down the given real number to the specified number of digits, towards zero, which improves the data accuracy of their datasets. - While each argument value can be a single number or an expression returning a number, we can supply the arguments to the function as array ranges. However, in such a case, we will execute the formula using the shortcut keys
**Ctrl**+**Shift**+**Enter**. - We can use the
**ROUNDDOWN()**with other Excel functions such as**IF**and**VLOOKUP.**

### ROUNDDOWN() Excel Formula

The **ROUNDDOWN Excel formula **syntax is:

The **ROUNDDOWN Excel formula **arguments are:

: The cell or cell range containing the numeric values to be rounded. It is a mandatory argument.*number*: The number of digits to round down the given number to. It is a mandatory argument.*num_digits*

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### How To Use ROUNDDOWN Excel Function?

We can use the **ROUNDDOWN Excel Function **in 2 methods, namely,

**Access from the Excel ribbon.****Enter in the worksheet manually.**

#### Method #1 – Access from the Excel ribbon

First, choose an empty cell for the output → select the “**Formulas**” tab → go to the “**Function Library**” group → click the “**Math & Trig**” option drop-down → select the “**ROUNDDOWN**” function, as shown below.

The “**Function Arguments**” window pops up. Enter the arguments in the “** Number**” and “

**” fields → click “**

*Num_digits***OK**”, as shown below.

#### Method #2 – Enter in the worksheet manually

The steps to apply the **ROUNDDOWN Excel function **are:

- Select an empty cell for the output.
- Type
**= ROUNDDOWN(**in the cell. [Alternatively, type**=R**and double-click the**ROUNDDOWN**function from the Excel suggestions.] - Enter the argument values and close the brackets.
- Finally, press the “
**Enter**” key.

Let us an example to round down the given price values to two decimal places **using ROUNDDOWN Excel function.**

The following table contains a grocery list and the price details in columns A and B.

The steps to round a number **using** **ROUNDDOWN Excel function **are:

**Select cell C2, enter the formula =ROUNDDOWN(B2,2), and press the “Enter” key.**

[Alternatively, select cell**C2**and apply the**ROUNDDOWN()**from the**Formulas**→**Math & Trig**→**ROUNDDOWN**. It will open the**Function Arguments**window.

Enter the two argument values in the**Function Arguments**window, as shown below.

Finally, when we click**OK,**the formula gets executed for 2 decimal places in the target cell.]**Drag the formula from cell C2 to C9 using the fill handle.**

The output is shown above.

[**Output Observation:**The formula in cell**C9**works as follows,argument is*num_digits***2**, a value greater than 0, the given number**2.4745**gets rounded down to two decimal places,**2.47**.]

### Examples

We can understand some advanced scenarios using the **ROUNDDOWN Excel function examples.**

#### Example #1

We will use the **ROUNDDOWN Excel function **when the number we require to round down is a negative value.

The below table contains the details of companies with negative one-day changes in share values and the “** num_digits**”.

The steps to use the **ROUNDDOWN Excel function **are as follows:

**Step 1:**Select cell**D2**, enter the formulaand press the “*=ROUNDDOWN(B2,C2),***Enter**” key.

**Step 2:**Drag the formula from cell D2 to D6 using the fill handle.

We get the output as shown above.

[**Output Observation**: In row 1, the given value, **-0.85**, gets rounded down to 1 decimal place and becomes **-0.8**. In row 2, the value, **-11.26**, gets rounded down to the nearest 10^{th} place, and the result we see is **-10**. And in row 3, the number **-2.54** gets rounded down to two decimal places. But, as the number is already a value with two decimal places after the decimal point, it remains unchanged even after applying the formula.

On the other hand, looking at the result in row 5, it might appear that the **ROUNDDOWN Excel function **does not work for a negative integer and 0 ** num_digits**. However, in this example, the second argument is

**0**, which rounds down the given number to the nearest integer. And as the specified number is already an integer,

**-2**, it remains the same even after rounding down.

Finally, in row 6, the given value, **-3.73**, needs to get rounded down to the nearest 100^{th} place. However, the value has only one digit before the decimal point. Hence, the number gets rounded down to **0**. Had the number been, for instance, **-350.73**, it would get rounded down to **-300**.]

#### Example #2

We will use the **ROUNDDOWN Excel function **to round down the result of an expression, evaluating to a number.

The following table contains two sets of values. And column D shows the results of the mathematical operations without rounding down.

The steps to use the **ROUNDDOWN Excel function **are as follows:

**Step 1:**First, select cell**E2**, enter the formulaand press the “*=ROUNDDOWN((A2+B2),0),***Enter**” key.

**Step 2:**Next, select cell**E3**, enter the formulaand press the “*=ROUNDDOWN((A3-B3),0),***Enter**” key.

**Step 3:**Then, select cell**E4**, enter the formulaand press the “*=ROUNDDOWN((A4*B4),0),***Enter**” key.

**Step 4:**Finally, select cell**E5**, enter the formulaand press the “*=ROUNDDOWN((A5/B5),0),***Enter**” key.

We get the output for the specified rounding as shown above.

#### Example #3

We will use the **ROUNDDOWN Excel function **with other functions such as **IF** and **VLOOKUP**.

The below table shows a list of fruits and their quantity details, and we want to round down the quantity value of a given fruit in cell **E2** to the nearest 10^{th} place.

The procedure to use the **ROUNDDOWN **with **VLOOKUP** and **IF Excel Function** is:

**Step 1**: Select cell**F2**, enter the formulaand press the “*=IF(VLOOKUP(E2,A:B,2,0),ROUNDDOWN(VLOOKUP(E2,A:B,2,0),-1),”No Data”),***Enter**” key.

We get the output as shown above.

[**Output Observation:** Here, the **VLOOKUP()** looks up the quantity value for the specified fruit, **watermelon**, and returns the value **195.4201**. And as the **IF** condition is a value, translating as **TRUE**, the **ROUNDDOWN() **executes. It rounds down the quantity of **watermelon** (looked up from the first table) to the nearest 10^{th} place to return the value, **190**.]

### Important Things to Note

- If the
value is less than zero, the*num_digits***ROUNDDOWN Excel function**rounds down the given value to the left of the decimal point. - When the
value is equal to zero, the given number gets rounded down to the nearest integer.*num_digits* - For a
value greater than zero, the*num_digits***ROUNDDOWN()**rounds down the given number to a specific number of decimal places.

### Frequently Asked Questions (FAQs)

**1. Where is the ROUNDDOWN function in Excel?**

The **ROUNDDOWN** function in Excel is in the **Formulas** → **Math & Trig** → **ROUNDDOWN**.

**2. How to use the ROUNDDOWN function in Excel VBA?**

We can use the **ROUNDDOWN()** in VBA using the **WorksheetFunction.RoundDown() **method**.**

For example, the following table contains a list of numbers and the corresponding number of places to which we require to round them down.

The steps to use **ROUNDDOWN() **in** VBA **are:**• 1: **In the worksheet containing the table, press the keys **Alt** + **F11** to open the VBA Editor.**• 2: **Choose the required **VBAProject** in the VBA Editor window and select **Insert** → **Module** to open a new module window, **Module1**.**• 3: **Enter the VBA code, as shown in the image below, in the **Module1** window.**Sub ROUNDDOWN_fn()**Dim rd As Worksheet

Set rd = Worksheets(“FAQ 2”)

rd.Range(“C2”) = Application.WorksheetFunction.Rounddown(rd.Range(“A2”), rd.Range(“B2”))

rd.Range(“C3”) = Application.WorksheetFunction.Rounddown(rd.Range(“A3”), rd.Range(“B3”))

rd.Range(“C4”) = Application.WorksheetFunction.Rounddown(rd.Range(“A4”), rd.Range(“B4”))

rd.Range(“C5”) = Application.WorksheetFunction.Rounddown(rd.Range(“A5”), rd.Range(“B5”))

rd.Range(“C6”) = Application.WorksheetFunction.Rounddown(rd.Range(“A6”), rd.Range(“B6”))

**End Sub**

**• 4:**Click the

**Run Sub/UserForm**icon to execute the

**Module1**code.

Now open the active worksheet to view the required rounded-down numbers in the specified target cells. The output is shown below.

**3. Why is the Excel ROUNDDOWN function not working?**

The **ROUNDDOWN Excel function **may not work for the following reasons:**• **If the supplied arguments are not numbers or expressions evaluating to numbers.**• **The column width is insufficient to show the complete rounded-down number.

**4. What is the difference between the ROUNDDOWN and FLOOR Excel functions?**

The difference between the **ROUNDDOWN** and **FLOOR** Excel functions is that the **ROUNDDOWN() **rounds the given number down to the specified number of places. On the other hand, the **FLOOR() **also rounds down the given number but to the closest multiple of the specified significance.

### Download Template

This article must help understand the **ROUNDDOWN Excel Function**, with its formula and examples. You can download the template here to use it instantly.

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