Returns the number of columns in an array (array: Used to build single formulas that produce multiple results or that operate on a group of arguments that are arranged in rows and columns. An array range shares a common formula; an array constant is a group of constants used as an argument.) or reference.



Array     is an array or array formula (array formula: A formula that performs multiple calculations on one or more sets of values, and then returns either a single result or multiple results. Array formulas are enclosed between braces { } and are entered by pressing CTRL+SHIFT+ENTER.), or a reference to a range of cells for which you want the number of columns.


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Formula Description (Result)
=COLUMNS(C1:E4) Number of columns in the reference (3)
=COLUMNS({1,2,3;4,5,6}) Number of columns in the array constant (3)
Applies to:
Excel 2003