COUNT UNIQUE in Excel Pivot

What this does

A normal PivotTable can Count rows but not count each different value once. Distinct Count becomes available when the PivotTable is built on the Data Model, which you choose with a checkbox in the Create PivotTable dialog. The setting is fixed when the PivotTable is created, so an existing PivotTable without it has to be rebuilt. The Data Model option is not available in every Excel edition; where it is missing, a helper column that marks the first occurrence of each value gives the same result with an ordinary Sum. Before you run it on a workbook other people depend on, try it on a copy or a few rows first. Undo only reaches back through the current session, so a quick trial run is the cheapest way to see exactly what will change before the file is saved and shared. Treat “count unique in excel pivot” as a small repeatable workflow rather than a one-off click you hope to remember next time. Use a small test block before the live file, so any surprise in the affected pivot table shows up while it is still harmless. When this is a ribbon command, the selection matters more than the button: confirm the range, apply the command, then spot-check the output before saving. That turns a data step that keeps your analysis trustworthy into a method you can reuse, explain, and defend when the workbook leaves your screen.

A worked example

An orders table has 10 rows for 4 customers. Insert ▸ PivotTable, tick Add this data to the Data Model, put Region in Rows and Customer in Values. Count of Customer shows 10; open Value Field Settings, choose Distinct Count, and it shows 4. Without the Data Model, add a column with =IF(COUNTIF($B$2:B2,B2)=1,1,0) and sum that column in the PivotTable. How many different customers, products or users per region is a different question from how many rows — and it is the one most reports actually need. When the result is not what you expected, undo straight away rather than repairing it by hand — undo restores the sheet exactly, while manual fixes tend to leave small inconsistencies behind that surface later.

In Google Sheets

This is a command rather than a formula, so there is no syntax to carry over. Google Sheets arranges its commands in menus across the top instead of a ribbon, names some of them differently and does not have every Excel command — look for the equivalent in the Sheets menus or its help before assuming the steps match. Keep this page bookmarked for the next time the same question comes up. Better still, rebuild the example once in your own sheet — doing it yourself, with the tool above to check against, is what turns a copied formula into a technique you own. Treat “count unique in excel pivot” as a routine rather than a one-off. Once you know which setting or command controls it, the same few steps handle every workbook where it comes up in Excel, and you can explain them to a colleague in a sentence.

Common mistakes

• Looking for Distinct Count on a PivotTable that was not created with the Data Model — rebuild it with the box ticked.
• Using Count, which counts rows, not different values.
• Helper-column counts that break when the PivotTable is split by a second field, because the first occurrence is counted only once overall.
• Trailing spaces or different spellings making the same customer count twice.

Frequently asked questions