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Let’s say I have a 12 cells on column A with the sales for each month last year. To calculate a monthly I can do a simple formula like this in A13 =sum(A1:A12)/12. But in column B I have the sales for this year, not a complete year, and August is not finished, but I have the running amount of sales for this month, so far. What kind of formula can I use to return a more accurate average?
Eduardo
Divide the current total by the total number of days in the month that have passed so far. Then multiply by the total number of days in the month.