Excel Formula to sum 12 most recent cells

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I have an Excel formula question that I was hoping you could help me with.

Basically I have a set of numbers in the second row of my spreadsheet from A2 to CC2. However, as of now only A2 to BA2 are populated with numbers. BB2 onwards will be populated in the coming weeks. I need to have a formula in cell CD2 which only sums up the last 12 populated cells in row 2. In this case it would the sum of AP2 to BA2, but next week it would be AQ2 to BB2 & so on.

I would really appreciate it if you could please help me out.

Thanks in advance, Ducky



It will find the last cell in the range that has a number and sum that cell and the 11 cells to the left.

Excel Formula to sum 12 most recent cells, use: =SUM(INDEX(A2:CC2,MATCH(1E+99,A2:CC2)-11):INDEX(A2:CC2,MATCH (1E+99,A2:CC2))). It will find the last cell in the range that has� The OFFSET function in Excel is one of the Lookup functions and is great if you want to reference a range of cells and use that reference to do a calculation. Click here to see how the formula works visually & interactively

Or, this shorter one,

in CD2 :


p.s. Although Offset is volatile, it still can consider in case of formulas used not in a huge quantity.

Sum the Last 7 Transactions with the Offset Function, The OFFSET function in Excel is one of the Lookup functions and is great if you want to reference a range of cells and use that reference to do a� Excel Formula Training. Formulas are the key to getting things done in Excel. In this accelerated training, you'll learn how to use formulas to manipulate text, work with dates and times, lookup values with VLOOKUP and INDEX & MATCH, count and sum with criteria, dynamically rank values, and create dynamic ranges.

A little bit less efficient solution (Array formula - Ctrl+Shift+Enter), but might also prove useful:


It only takes into account last 12 columns - IF(COLUMN($A$2:$AA$2)>(COUNTA($A$2:$AA$2)-12),... and then it sums their respective values.

How to sum last n columns in Excel, Now we will use the following formula to get the sum. Use the Formula: = SUM ( INDEX ( ( data , 0 , COLUMNS (data) - ( J12 - 1 ) )� How this array formula works in cell C18. The array formula calculates a cell range to use and then averages the numbers in that cell range. Step 1 - Extract row numbers of not empty cells. The IF function has three arguments, the first one must be a logical expression. If the expression evaluates to TRUE then one thing happens (argument 2) and

How To Sum Last X Number Of Values In A List With Blanks In Excel , This is basically a SUM function that uses the OFFSET function to determine if I enter a 12 in cell L10, which is asking the formula to add more� Next, enter the INDIRECT function into the SUM function using this dialog box. In the Number1 field, enter the following INDIRECT function: INDIRECT("D"&E1&":D"&E2) Select OK to complete the function and close the dialog box. The number 50 appears in cell F1. This is the sum of cells D1 to D4. When you select cell F1, the formula field shows:

Sum Last N Columns, We want to write a formula that operates on the last three columns. For example, the formula below computes the sum of the last three table columns, Apr, May, and If you wanted the last 12, you'd subtract 11, and so on. Answer: This is a bit tricky and the formula that you need to use will depend on the types of data that you have in the range. Data Range is Formatted as Text. If your range contains only text values, you could use the following formula that uses the INDEX, MATCH and REPT functions: =INDEX(range,MATCH(REPT("z",255),range))

Excel Sum Function Examples, Example 2 - Rolling 12 Month Total. In this example only the rows for the previous 11 months, and the current� XLOOKUP with multiple criteria – this recent addition to the family of Excel's lookup and reference functions (currently available only to Office 365 subscribers) handles arrays by design. Meaning, it works as a regular formula, not an array formula!

  • Search on here, similar questions have been asked.
  • But I would find the last populated cell and use offset()...
  • @SolarMike Offset is volatile. There are better formulas.
  • @teylyn but it would work and something for the op to try.
  • @Scott Craner, Hi Scott, Can you please explain how the formula working? Wondering...
  • @Harun24HR take it apart and work out what each part does - an excellent learning experience.
  • @SolarMike I have done that already but wonder is both Index() function is returning numeric value. So, how it is summing ranges from these two numeric value.
  • @Harun24HR if index returns a numeric then it can be summed. Index will return whatever is in the cell, even text...
  • @Harun24HR Index when used in conjunction with : will, in Excel only, return the reference and not the value. A1:INDEX(A:A,MATCH(1E+99,A:A)) will return a reference starting in A1 until the last cell in Column A:A that has a number.