Quick SumFrom the Not Just Numbers blog:

This week, I’ve got one of those really simple tips, that are just that – if you already know them.

It is these kinds of tips that tend to get the most interesting reactions when someone sees them for the first time, and realise they have been doing something the long way round for so long.

A couple of other examples from the blog were:

A really quick way to copy down a formula


A quick way to add dollar signs in a formula

This week’s quick tip tells you how to add up any numbers on the screen without having to type in a formula.

There are many times, when looking at numbers on a spreadsheet, that we want to quickly add a few of those numbers, just to check something (we may be trying to spot which numbers make up a difference that we are trying to find, for example). We could, of course, find an empty cell and enter a formula in the cell, using either SUM to add up a range of adjoining cells, or a simple formula in the form =A1+B3+A4+C7.

Excel, does however provide a simple tool for doing this that you might not have noticed (I’ve certainly worked with many experienced users that hadn’t).

If you highlight any cells with numbers in them, Excel presents their sum on the status bar in the bottom right corner below the spreadsheet:

You can highlight them in any of the usual ways:

  • by using the mouse to select a range of adjacent cells, which can include multiple columns or rows;
  • clicking on the column letters or row numbers to highlight whole columns or rows;
  • highlighting multiple cells or ranges, by holding the Ctrl key while you click on individual cells or select ranges as described above.

In Excel 2007 onwards, you also see a count of the cells with values in, and an average. Note that the count also includes cells with text in – not just numbers. The average, however, only averages the cells with numbers in – as you would want.

This sum (and average and count) appears every time you highlight cells (that include numbers) – you don’t need to do anything else.

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