Rational
Count all columns of a cell range.
Description
The Excel COLUMNS function returns a count of all columns of a cell range or array formula.
For example, =COLUMNS(E10:F100) returns 2 (two columns in the range i.e. E & F).
Syntax
=COLUMNS (array)
Parameters
array – A reference to a cell range
Return Value
An integer representing a total number of columns.
Key Notes
- The COLUMNS function returns the count of all columns in the specific cell range, unlike COLUMN function that returns column number of the first cell in reference.
- The function accepts an array or array formula, or a reference to a range of cells.
Keep Reading Similar Functions:

ADDRESS
The ADDRESS function returns cell address from given row and column numbers of a worksheet. For example, if you pass ADDRESS(5,6) the function returns $F$5.

ROWS
The ROWS function returns the number of rows of a cell range or array formula, =ROWS(E10:F100) returns 91 (91 rows in the cell range i.e. 10 to 100).

AREAS
The AREAS function returns a number of areas or region. I.e., =AREAS((B2:C4,D8:F9)) returns 2 (number of areas), include extra sets of parentheses.

COLUMN
The COLUMN function returns the column number of a first reference cell. For example, =COLUMN(E10:F10) returns 5 (5th column, a sequence of E in alphabets).

ROW
The ROW function returns the row number of a reference cell. For example, =ROW(E9:E10) returns 9 (9th from top to bottom, only the first cell).