Google Sheets is a powerful tool for managing and analyzing data, but as your spreadsheets become more complex, you may need more advanced tools to perform calculations and analysis.

Arrays are one such feature. This function in Google Sheets allows you to perform complex calculations across multiple cells or ranges of cells.

Using arrays in Google Sheets can be daunting for beginners, but with a little practice, they can be a game-changer for managing and analyzing data. In this blog post, we’ll take a deep dive into how to use arrays in Google Sheets, from basic formulas to more advanced techniques.

**Table of Contents**

## What do arrays do in Google Sheets?

## The Benefits of Using Arrays in Google Sheets

**Efficiency.**Arrays can perform calculations on multiple cells or ranges of cells simultaneously, saving time and reducing the amount of manual work required.**Flexibility.**Arrays can be used with a wide range of functions and formulas, making it possible to perform complex calculations and analyses in Google Sheets.**Accuracy.**Using arrays can reduce the risk of errors and mistakes that can occur when performing calculations manually or using individual formulas for each cell.**Simplicity.**Arrays can simplify complex formulas by allowing you to perform multiple calculations with a single formula.**Dynamic range referencing.**Arrays can reference a dynamic range of cells, which is useful when working with data that changes or grows over time.

## How to Use Arrays in Google Sheets

- Select the range of cells that you want to perform a calculation on. Make sure that the cells are contiguous (i.e., they’re all next to each other).
- Type the formula that you want to use to perform the calculation. For example, if you want to sum the values in the selected cells, you would type “=SUM(” (without the quotes).
- With the cursor still inside the formula bar, press and hold the Ctrl and Shift keys (on Windows) or the Command and Shift keys (on Mac) on your keyboard.
- While holding down those keys, press the Enter key. The formula should now be surrounded by curly braces { }.
- Release the Ctrl + Shift (or Command + Shift) keys.
- Press Enter to complete the formula.
- The formula will now be applied to all cells in the selected range, producing a single result in each cell.
- If you need to edit the array formula, simply click on the cell containing the formula, then click on the formula bar to edit the formula.

## Google Sheets Array Example

You could use an array formula to calculate the total cost for each product and the overall cost.

- Start by creating a table with the list of products and their prices.
- In cell C1, enter the number of units you want to purchase for each product. For example, if you want to purchase three units of Product 1, two units of Product 2, and four units of Product 3, you would enter “3” in cell C2, “2” in cell C3, and “4” in cell C4.
- In cell D1, enter the following formula:
=ArrayFormula(B2:B6*C2:C6)

This formula multiplies the price of each product by the number of units you want to purchase and returns an array of the total cost for each product.

- Finally, in cell D7, enter the following formula:
=SUM(D2:D6)

This formula sums the values in the D2:D6 range to get the total cost of purchasing all the products.

- That’s it! Now, as you update the values in column C, the array formula in column D will automatically recalculate the total cost for each product, and the SUM formula in cell D6 will update to reflect the overall cost. This can be a very useful tool for managing and analyzing data in Google Sheets.