The formula to add multiple rows in Google Sheets is the same as the formula used in Excel. Type =SUM (cell range of first row, cell range of second row, cell range of third row, …) and hit Enter.

The SUM function in Excel can replicate and surpass COUNTIFS, SUMIFS, and AVERAGEIFS by combining logical tests, mathematical operations, and auxiliary functions like SIGN and ISNUMBER.

In this article, we will show you how to add Time in Microsoft Excel. How to add or sum the Time in Microsoft Excel Here, we will describe the following two cases: When the sum is less than 24 hours.