How to Calculate Sum by Date in Excel


You can use the following formula to calculate the sum of values by date in an Excel spreadsheet:

=SUMIF(A1:A10, C1, B1:B10)

This particular formula calculates the sum of values in the cell range B1:B10 only where the corresponding cells in the range A1:A10 are equal to the date in cell C1.

The following example shows how to use this formula in practice.

Example: Calculate Sum by Date in Excel

Suppose we have the following dataset that shows the sales of some product on various dates:

Now suppose we’d like to calculate the sum of sales by date.

To generate a list of unique dates, we can use the following formula:

=SORT(UNIQUE(A2:A15))

We’ll type this formula into cell D2:

By default, Excel converts the date to the number of days since 1/1/1900.

To convert these numbers to a recognizable date format, simply highlight the cell range D2:D6, then click the format dropdown arrow and click Short Date:

The dates will be converted to a recognizable date format:

Next, we can use the following formula to calculate the sum of sales by date:

=SUMIF($A$2:$A$15, D2, $B$2:$B$15)

We’ll type this formula into cell E2, then copy and paste it into each remaining cell in column E:

Excel sum by date

From the output we can see:

  • The sum of sales on 1/4/2022 is 15.
  • The sum of sales on 1/7/2022 is 19.
  • The sum of sales on 2/7/2022 is 19.

And so on.

Additional Resources

The following tutorials explain how to perform other common tasks in Excel:

How to Count by Month in Excel
How to Count by Year in Excel
How to Calculate a Cumulative Sum by Date in Excel

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