Learn the difference between a relative absolute cell reference in Excel and an absolute cell reference in Excel in this free lesson.

### Absolute references

There may be times when you do not want a cell reference to change when filling cells. Unlike relative references,** absolute references **do not change when copied or filled. You can use an absolute reference to keep a row and/or column **constant**.

An absolute reference is designated in a formula by the addition of a **dollar sign ($)**. It can precede the column reference, the row reference, or both.

You will usually use the** $A$2** format when creating formulas that contain absolute references. The other two formats are used much less frequently.

When writing a formula in Microsoft Excel, you can press the** F4** key on your keyboard to switch between relative and absolute cell references. This is an easy way to quickly insert an absolute reference.

#### To create and copy a formula using absolute references:

In our example, we'll use the 7.5% sales tax rate in cell **E1 **to calculate the sales tax for all items in **column D**. We'll need to use the absolute cell reference **$E$1 **in our formula. Because each formula is using the same tax rate, we want that reference to remain constant when the formula is copied and filled to other cells in column D.

- Select the
**cell** that will contain the formula. In our example, we'll select cell **D3**. - Enter the
**formula **to calculate the desired value. In our example, we'll type =**(B3*C3)*$E$1**. - Press
**Enter **on your keyboard. The formula will calculate, and the result will display in the cell. - Locate the
** fill handle** in the lower-right corner of the desired cell. In our example, we'll locate the fill handle for cell **D3**.

- Click, hold, and drag the
**fill handle** over the cells you wish to fill, cells **D4:D13** in our example.

- Release the mouse. The formula will be
**copied** to the selected cells with an **absolute** **reference**, and the values will be calculated in each cell.

You can double-click the **filled cells** to check their formulas for accuracy. The absolute reference should be the same for each cell, while the other references are relative to the cell's row.

Be sure to include the **dollar sign** (**$)** whenever you're making an absolute reference across multiple cells. The dollar signs were omitted in the example below. This caused the spreadsheet to interpret it as a relative reference, producing an incorrect result when copied to other cells.