How to sum in Google Sheets Adding up columns or rows of numbers is familiar to most spreadsheet programs. Google Sheets includes a built-in function named SUM to add the total value.

We’ll show you how to add columns in Google Sheets, including how to insert a single column to the left or right and how to add multiple columns to your sheet.

How to add rows, columns, and cells in Google Sheets Let's say you're a coin collector and organize your collection in Google Sheets.