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Excel Dollar Signs, Excel Dollar Signs

Excel Absolute References, the Dollar sign $ and the F4 key

Excel Dollar Signs or, to be correct, Absolute References are one of those things that you really need to know about if you want to be successful with your Excel formulas. And it’s good idea to know about the F4 shortcut key.

Way back in the last century we always used to say that if you didn’t know your function keys then you weren’t being serious. Thankfully, those days have passed but you still need to know the F4 key for working with Excel formulas. The F4 key will repeat the last command or keystroke when you’re working in Word, Excel or PowerPoint. However, it’s primary use in Excel is for inserting the dollar signs ($) for Absolute cell references in your Excel formulas.

You may have seen cell references in formulas surrounded by ‘$’ signs, for example $D$3:$D$10, and wondered what’s that all about?  The ‘$’ before the column or row reference fixes the reference so that it does not change when it’s copied. You either have to type in the $ signs or press the F4 key. Be careful with the F4 key on your laptop, if it does not seem to work properly then press Fn and F4 together.

Using Absolute References in Formulas

Excel Dollar Signs, Excel Dollar Signs

For example, looking at the table above we have a Commission Rate of 3% in cell G3. In column E we want to calculate the commission as Total x Rate @ 3%. We could simply enter the formula as =D3*3% and copy it down column E, but then that gives us two major problems to deal with:

  1. We can’t easily see what the commission rate is without looking in the formula bar. We could include it in the column heading as “Commission @ 3%”, but that makes the heading too wide and if I should change the rate then I will have to remember to go back and change the heading as well.
  2. If I do change the rate then I need to change the formula and copy it down the column again. Doing this once would be acceptable but not if I need to do it regularly and what if other formulas are using the commission rate? It would be so much easier just to have the commission rate in a single cell.

In the formula for the commission calculation, the commission rate of 3% is entered into cell G3 and then the G3 reference is used in our formulas like this, =D3*$G$3. The reference is absolute, meaning that it never changes wherever the formula is copied.

Excel Dollar Signs, Excel Dollar Signs

Let’s look at what happens if we don’t use an absolute reference. If we entered in cell E3 the formula =D3*G3 we would get the correct answer. But when we copy that formula down the rest of column E Excel updates the cell references in the formula to increase by one row as we go down. You can see this to the left where the references to D3 and G3 change to D4 and G4 etc. 

These standard cell references are known as relative references. We want the D3 reference to change but we want the G3 reference to be fixed.

To keep the commission rate reference on cell G3 we enter the formula like this, =D3*$G$3. Then when we copy the formula down the column the column D references change but the reference to cell G3 does not.

Strictly speaking, we only needed to fix the reference to row 3 as the G column reference would not have changed but it’s usually easier just to fix the entire cell reference and have done with it. The difficult bit is to realise that you needed an absolute reference in the first place.

Excel Dollar Signs, Excel Dollar Signs

Other ways to use Absolute References

  • Make a whole range of cells an absolute reference: $D$1:$F$1
  • Make only the column absolute: $D3
  • Make only the row absolute: D$3

To help you see how your formulas are behaving it’s quite a good idea if you can actually see them instead of the results of the formula. To display your formulas in the worksheet, click the Show Formulas control on the Formula Auditing group of the Formulas tab.

F4 Shortcut for entering Absolute References

The F4 key instantly enters the ‘$’ signs for you. You can do it while you’re entering your formula or you can go back and edit the original formula.
In the example below we have started to enter a formula into cell E3. We have just selected cell G3, as you can see by the marquee (“marching ants”) around the cell.

Excel Dollar Signs, Excel Dollar Signs

At this point, before pressing ENTER or clicking the tick to finish the formula, we can press the F4 key and Excel places the ‘$’ signs around the G3 reference. Or you can go back to a cell at any time. Press the F2 key to edit the formula if you are feeling old-fashioned, or just double-click the cell. Click anywhere in the cell reference and press F4 to insert the $ signs.

Excel Dollar Signs, Excel Dollar Signs
Excel Dollar Signs, Excel Dollar Signs

If you want to fix a range reference you have to highlight the cell range in the formula before pressing F4. If you keep pressing F4 Excel iterates through all the permutations of absolute and relative reference:

  • With the first press of F4 you get $G$3. Column and row absolute.
  • With the second press of F4 you get G$3. Column relative and row absolute.
  • With the third press of F4 you get $G3. Column absolute and row relative.
  • With the fourth press of F4 you get G3. Column and row relative.

Mixed Relative and Absolute references

Whilst it usually easier to fix the entire reference there are times when you must have a mixed reference, where only the row or the column is fixed, in order to make your formulas work. In the worksheet example below we are multiplying all the hundreds values in the top row against all the tens values in the first column of the table. The first formula multiplies the 10 by the 100, =B3*C2.

Excel Dollar Signs, Excel Dollar Signs

As the formula is copied across and down we need the row reference for the hundreds values to be fixed and the column reference for the column reference for the tens values to be fixed. But the rest of the formula must be relative so that it works correctly when it is copied.

Excel Dollar Signs, Excel Dollar Signs

Usually I try to work out this type of formula logically before I start. And usually it goes wrong so I just resort to experimentation until I get it right. It only takes me an hour or so. Best of luck with your Excel Dollar Signs!

Related Courses

Microsoft Excel Intermediate – Link

Microsoft Excel Advanced – Link