# Excel Cell Reference:

# Absolute, Relative or Mixed?

In the beginning days for any Excel user, there seems to be an unavoidable event that occurs.

You’re cruising along typing in data and writing simple formulas. Then you are shown that a formula can be repeated across many rows of data using Fill Series or copy/paste.

“WOW! This is great. This will save me TONS of time.”

All is going well, until one day… it breaks.

You are then presented with the challenge of learning the difference between

This is without a doubt the most technical thing you’ve encountered in Excel up to this point.

These are known as __references__, but more to the point, there are three types of references:

- Relative references (ex:
**A1**) - Absolute references (ex:
**$A$1**) - Mixed references (ex:
**A$1**or**$A1**)

Let’s break each one down and fully understand how they operate and witness where each type is best used.

# Understanding References

We use references in Excel to make formulas more dynamic (*i.e. less need for maintenance.*)

If we were to add two values together, we could write a formula like the following:

This works, but if our data changes, we will be required to revisit the formula and update the values to match the new data.

Instead of typing the actual values in the formula, we can simply refer to the cell addresses that hold the values.

The formula evaluates to the same answer, but when the data changes, we only need update the data. The formula will automatically recalculate when it detects a change in the data.

It’s like the formula says, “Take the value of what’s in cell A1 and add it to the value of what’s in cell A2.” The question still works even when the data changes.

# Relative References

When writing a formula, it is common to refer to a cell’s address. If that address is used in adjacent cells, such as the same formula being used down may rows, it is common to make small adjustments to the cell address reference to “look” at a different cell from row to row.

This is known as a relative reference.

## Relative Row References

Observe in the above illustration. The formula for the first calculation is subtracting the contents of cell **B2** from cell **A2**. When the formula is copied to the next row, the “**2s**” is changed to “**3s**”, producing a revised formula that subtracts cell **B3** from cell **A3**. The next row changes the “**3s**” to “**4s**” and the next row changes the “**4s**” to “**5s**”.

## Relative Column References

In the above illustration, the formula for the first calculation is subtracting the contents of cell **A3** from cell **A2**. When the formula is copied to the next column, the “**As**” is changed to “**Bs**”, producing a revised formula that subtracts cell **B3** from cell **B2**. The next column changes the “**Bs**” to “**Cs**” and the next column changes the “**Cs**” to “**Ds**”.

When you repeat a formula with relative references, the references receive small adjustments. These adjustments allow them to “look” at different cells

Each time the copied formula crosses a row, it increments all its number (*row*) references by 1. Each time the copied formula crosses a column, it increments its letter (*column*) reference to the next letter.

Another way to think of it: relative to the direction and distance a formula is copied, the references will be adjusted.

# Absolute Referencing

Absolute referencing is where a cell address in a formula remains the same when the formula is copied to other cells.

This is often necessary when a formula references a constant that will be used repeatedly across multiple iterations of a formula.

Observe the illustration above. All the sale transactions are applying the same discount of 10%. Instead of listing the discount for each transaction, the discount is listed once at the top of the sheet. When the discount reference is created for the first formula in cell **C4**, it needs to be flagged so the resulting copy/paste operation does not change the reference. This is accomplished by adding dollar signs in the reference.

Think of the dollar signs as anchors that keep the reference from moving.

These can be hand-typed, but it is often easier to use the **F4** key to convert a relative reference to an absolute reference.

When building a formula, when you select a cell that you don’t want to look away from, press the **F4** key to convert the reference from relative to absolute. If you repeatedly press the **F4** key, you will cycle through the various relative/absolute combinations.

# Mixed References

There are situations when repeating a formula where you have a cell reference and you want to prevent the column reference from changing but need the row reference to change, or vice-versa. This is where you need to establish a mixed reference: where the column is locked but the row is free (*or vice-versa.*)

## Example of locking rows but not columns

Using the below illustration, we have created a formula in cell **E5** that references the price in cell **B5**.

When we copy the formula down to the following rows, we need to look at a different price each time, so we refer to cell **B5** and leave the number part of the reference as-is.

Because we intend to repeat the formulas to the next column, we don’t want the “**Bs**” in the reference to be changed to “**Cs**”, so we place a dollar sign before the “**B**” to convert it to an absolute reference. In this way, none of the column references will change when the formula is copied but the row references are free to be altered.

## Example of locking columns but not rows

In the next example, we have created a formula in cell **E5** that refers to a discount in cell **E3**.

When we repeat the formula down to adjacent rows, we don’t want the row reference (*the number*) to change, so we place a dollar sign before the number. We need to look at a different discount for each of the adjacent months, so we leave the letter part of the reference as-is.

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