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How to do Autosum in Calc

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This beginner’s tutorial would explain how to perform autosum in Calc program in LibreOffice, OpenOffice.

When you are working with large spreadsheets containing a huge number of rows or columns with data, it is often needed autosum with a quick click of a menu or button instead of manually typing SUM function. LibreOffice, OpenOffice spreadsheet program Calc have this feature and here’s how you can do it.

Autosum Icon (Sigma) in Calc toolbar
Autosum Icon (Sigma) in Calc toolbar

Autosum in Calc

1. Open any Calc workbook with numbers and data, or open your own workbook.

2. Select the cell where you would like to put the autosum of your data.

3. Click on the sigma icon beside the formula bar and click Sum from the dropdown menu.

Context menu showing Auto options
Context menu showing Auto options
Calc Autosum in Action
Calc Autosum in Action

4. You can see the Sum is calculated automatically.

Tips

  • If you select multiple columns with numbers, autosum detects all the data and gives you a quick sum.
  • If your data have column labels which are text, autosum ignores the same and gives you the correct autosum.

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arindam

Creator of libreofficehelp.com. The aim is to help as many people with easy-to-understand tutorials and no BS. Follow us using social channels or send us an email.

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deedhoet

How to make autosum work in macro?

Andrew

Doesn’t work

Andrew

Correction. I had to open another Calc window and move my data there to get the summing to work. Hopefully just a fluke. All is working now.

vella

error 509, I get

vella

ok, I think I fixed this – my locale and the file I was using had different decimal – [,] instead of [.] so it wasn’t recognising it as numbers….

Q

This works only if the cell displaying the sum is immediately adjacent to the column or row of cells you want to sum, and it includes only contiguous cells in the column or row (that is, it stops when it encounters a blank cell after at least one cell with data) . Perhaps this is obvious, but Step 2 here doesn’t say that. In other words, you can’t use AutoSum to produce a number in, say, a summary section at the top of a sheet.

Roger Slater

When I try to Autosum a column I get a random date in the cell where the sum total should be

Lluis Perez-Vidal

Good evening Arindam,
Thank you for such a useful tutorial series on Calc.
Is there some link or place to download the sheet you are
using in this chapter?
I would like to replicate the exercices.
Regards,

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