How to define range based on another cell value in Excel?

To calculate a range of values is easy for most of Excel users, but have you ever tried to calculate a range of values based on the number in a specific cell? For example, there is a column of values in column A, and I want to calculate the number of values in column A based on the value in B2, which means that if it is 4 in B2, I will average the first 4 values in column A as below screenshot shown. Now I introduce a simple formula to quickly define range based on another cell value in Excel.

Define range based on cell value

Define range based on cell value

To do calculation for a range based on another cell value, you can use a simple formula.

Select a blank cell which you will put out the result, enter this formula =AVERAGE(A1:INDIRECT(CONCATENATE("A",B2))), and press Enter key to get the result.

Note:

1. In the formula, A1 is the first cell in the column you want to calculate, A is the column you calculate for, B2 is the cell you calculate based on. You can change these references as you need.

2. If you want to do summary, you can use this formula =SUM(A1:INDIRECT(CONCATENATE("A",B2))).

3. If the first data you want to define is not in first row in the Excel, for instance, in cell A2, you can use the formula as this: =AVERAGE(A2:INDIRECT(CONCATENATE("A",ROW(A2)+B2-1))).

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This comment was minimized by the moderator on the site
But If I want to sum a column range(say l7:l7800) out of the range d7:ct9000 based on the condition in column a(a7:a9000) and column b(b7:b9000). How will I do it. Please advise
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Is there a way to create a dynamic ranged view, that will isolate all orders from a specific client within a list of clients? I have looked at multiple videos and none actually do what I need it to do. Is there a way to do this or would I need to pull the needed info into a controlled table and use the information from that table?
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Hi, CareTaker. I do not get your question clearly. Could you describe your question or upload a file to show the quetion in details? But I recomend a utility called Data Association for you, maybe can help you, go to this web for details: https://www.extendoffice.com/product/kutools-for-excel/excel-click-cell-to-filter-based-on-another-workbook.html.
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Thank you for the response, its quite the complicated thing to explain but I did manage to come right in the end using the indexing formula with the match formula as well.Â  Â =INDEX(\$B:\$B;MATCH(\$C\$2;\$B:\$B;0);):INDEX(\$N:\$N;MATCH(\$C\$2;\$B:\$B;0)+\$C\$3-1;)Â  Â at first it was confusing but I'm good nowÂ
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how do I update sum range by using helper cell...For example: if initial sum range is = C1 to M1, how to do change sum range if new data is up to AB1 using a helper cell, instead of changing the formula manually?
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What if the rage is not column, but a row?
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That's a bit trickier as I just found out. You need to use a combination of the CHAR function to convert a number to a letter, CONCAT to piece together a letter and number comprising a cell address, and the INDIRECT function to recognize strings as cell addresses.

In my example, I wrote the following expression:

``````=SUM(INDIRECT(CONCAT("F",ROW())):INDIRECT(CONCAT(CHAR(64+5+\$B\$31),ROW())))
``````

where:
Row() is the current row
\$B\$31 is the cell where the # of columns to count is stored
5 is the offset for the first column to be counted

if you need to go beyond column Z, youâ€™d need a less intuitive variant on that expression using the ADDRESS function:

``=SUM(indirect(concat("F",row())):indirect(ADDRESS(row(),\$B\$31+5,4)))``

where:
4 indicates a relative reference
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Hi quick question. My formula =SUMIFS(DATA!\$D\$5:\$D\$13914,DATA!\$E\$5:INDIRECT(CONCATENATE("\$E\$",C3)),"<"&"1/1/2016") has a range that is from another tab called "DATA." I keep getting #VALUE! errors for this formula. Any suggestions? thanks!
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