
To illustrate the Excel SUMIF syntax better, let's consider the following example. If the sum_range argument is omitted, Excel will sum the same cells to which the criteria is applied (i.e. This argument is optional, and you need to use it only if you want to sum cells other than defined in the range argument. sum_range - the cells to sum if the condition is met.For numerical criteria, double quotation marks are not required. Please pay attention that any text criteria or criteria containing mathematical symbols must be enclosed in double quotation marks ("). So, the syntax of the SUMIF function is as follows:

If you've happened to read the COUNTIF tutorial on this blog, you won't have any difficulties with understanding Excel SUMIF because its syntax and usage is analogous. The SUMIF function, also known as Excel conditional sum, is used to add cells based on a certain condition, or criteria.
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This tutorial explains the Excel SUMIF function in plain English and provides a numbers of SUMIF formula examples for numbers, text, dates and wildcards.
