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COUNTBLANK
COUNTBLANK returns the number of empty cells in a range. It is the inverse of COUNTA and a quick way to flag gaps in a dataset.
Excel
=COUNTBLANK(A2:A5)Google Sheets
=COUNTBLANK(A2:A5)✓
Verified example
Computed by a real spreadsheet engine on the sample data below.
| Value |
| a |
| b |
=COUNTBLANK(A2:A5)→2
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Sample data — click any cell to edit
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How it works
- 1A2:A5 is the range to check.
- 2Each empty cell adds one to the count.
- 3Here two cells are blank, so the result is 2.