Sub Sum13

Dim sum as Double
Dim row as integer, col as integer

MySum =0
col=3 '<=== change to suit
For row=18 to 226 step 13
Mysum=Mysum+cells(row,col)
next row

msgbox Mysum

end Sub


HTH

"Greg" wrote:

Is it possible to sum a column starting from row 18 and ending at row 226
only summing every 13th row. For example, sum the following rows
18,31,44,57,70 ... 226? Please help!!
Thanks in advance!! :)