SUMIF is a useful
formula to know how to use when creating Microsoft Excel spreadsheet
templates. An example I can give is from the world of engineering. Say
you have to create a part list or a bill of material (BOM for an
assembly, such as a snow blower.
The snow blower has multiple parts with have standard parts, such as
washers, bolts, nuts, etc,, attached to it. At the bottom of my BOM I
want to sum all of the parts for my top level assembly but I don’t want
to include the number of standard nuts and bolts.
In this case I use the SUMIF formula along with some nifty formatting.
One thing that I did was to change the standard part counts, which used to be entered as (1), (2), (3), etc. (entered '(1)). I have since changed this to a new format: -1, -2, -3... yet the entries still look like (1), (2), (3). This way the SUMIF formula can count the numbers since they are not being recorded as text. With the numbers being negative it can also make it so the formulas can selectively count them in the different parts of the spreadsheet. So, when entering parts like weld nuts, nut plates, pin, collars, etc. enter the count as a negative (-) number. This can either be done as -1 or (1), both will mean the same. I also put in a custom number format so you no longer have to type "-1", "-2", etc. Just enter 1, 2, 3, etc. and the "-" will be placed in front automatically. Little improvements like this go a long way in improving the time it takes to compile one of these massive spreadsheets.
To count the number of parts in a specified column use the =SUMIF() formula. In my case,
=SUMIF(K5:K17,">0").
If a number exists in a column which is greater than zero then sum the given range in the column.
One thing that I did was to change the standard part counts, which used to be entered as (1), (2), (3), etc. (entered '(1)). I have since changed this to a new format: -1, -2, -3... yet the entries still look like (1), (2), (3). This way the SUMIF formula can count the numbers since they are not being recorded as text. With the numbers being negative it can also make it so the formulas can selectively count them in the different parts of the spreadsheet. So, when entering parts like weld nuts, nut plates, pin, collars, etc. enter the count as a negative (-) number. This can either be done as -1 or (1), both will mean the same. I also put in a custom number format so you no longer have to type "-1", "-2", etc. Just enter 1, 2, 3, etc. and the "-" will be placed in front automatically. Little improvements like this go a long way in improving the time it takes to compile one of these massive spreadsheets.
Let
me know if you have any questions or concerns and if this format is
more or less helpful and an improvement in function and readability.
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