How to count the number of unique rows (combinations of multiple columns) in Excel?

You may be familiar with counting the unique cells in one column in Excel. However, do you have any idea to quickly count the number of unique rows, or the number of unique combinations of multiple columns in Excel? There are a couple of easy solutions:

Count the number of unique row/combinations of multiple columns with formulas

Count the number of unique row/combinations of multiple columns with Kutools for Excel

Batch combine multiple columns into one column without losing data and date/number format in Excel

Normally when merging cells with the Merge feature in Excel, it will remove all cell contents except the first cell content. However, with Kutools for Excel's Combine (Rows & Columns) utility, you can easily batch combine multiple cells/rows/columns without losing data. What's more, this utility also supports remaining original date format and number formats in the combination results. See screenshot:

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arrow blue right bubble Count the number of unique rows/combinations of multiple columns with formulas


This method will introduce two formulas to count the total number of unique rows or combinations of multiple columns with following steps.

1. Select a blank cell besides the columns you will count unique rows, says Cell E2, type the formula =A2&B2&C2 into it, and then drag the cell’s AutoFill Handle down to the range as you need.

Note: In above formula, A2 is the first data of the first column, B2 is the first data of the second column, and C2 is the first data of the third column. For combining another column, such as another Column D, change the formula to =A2&B2&C2&D2.

And then you will see columns are combined into one. See screenshot:

doc count unique rows combinations of columns 1

2. Select a blank cell you will place the total number of unique rows at, and type the formula =SUM(1/COUNTIF(E2:E20,E2:E20)) (E2:E20 is the new combination column we got in the first step) into it, and then press the Ctrl + Shift+ Enter keys simultaneously. See screenshot:

doc count unique rows combinations of columns 2

And then the total number of all unique rows or combinations of multiple columns will return into the selected cell. See screenshot:


arrow blue right bubble Count the number of unique row/combinations of multiple columns with Kutools for Excel

If you have Kutools for Excel installed, you can apply its Select Duplicate & Unique Cells utility to quickly count the unique row or combinations of multiple columns at ease.

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1. Select the columns (ignoring the column header as you need) you will count the unique rows, and click Kutools > Select > Select Duplicate & Unique Cells. See screenshot:

doc count unique rows combinations of columns 5

2. In the opening Select Duplicate & Unique Cells dialog box, check the Unique values only option or All unique (Including 1st duplicates) option as you need in the Rule section, and then click the Ok button. See screenshot:

doc count unique rows combinations of columns 6

If you select the All unique (Including 1st duplicates) option, a dialog box will pop out and show how many unique rows including the 1st duplicate rows have been selected as below screenshot shown:

doc count unique rows combinations of columns 7

If you select the Unique values only option, a dialog box will pop out and show how many unique rows have been selected as below screenshot shown:

doc count unique rows combinations of columns 8

3. Click the OK button to close the dialog box.

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Batch Count occurrences of each duplicate item in a specified column easily

Kutools for Excel's Advanced Combine Rows utility can help you batch count the occurrences of each item in a specified column as below screenshot shown:

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