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Hello I have a column for my item cost and a column with the sales tax I paid. I want to create a formula in the third column that calculates my cost x sales tax percentage and then add the answer to the cost to get total cost. I did Cost * {Tax %} and get an error.

Did you get an #Error as result of your formula ? Was the result erroneous (not the right result) or the formula did simply not work and you couldn’t save your formula field?


I’m simply asking because there is a bug in calculations with a percent


Did you get an #Error as result of your formula ? Was the result erroneous (not the right result) or the formula did simply not work and you couldn’t save your formula field?


I’m simply asking because there is a bug in calculations with a percent



Yes I get an error. my goal is to get the total cost with the sales tax.


Yes I get an error. my goal is to get the total cost with the sales tax.


I quickly tried this formula :


Cost+Cost/100*{Tax %}

Which gave something looking like this :


Was this what you were looking for ?

(The Cost*Tax% field was just there to verify the math :winking_face: )

The Total Cost is formatted as “Currency”. The Cost is /100 To go around the bug with calculations with percentage.


I quickly tried this formula :


Cost+Cost/100*{Tax %}

Which gave something looking like this :


Was this what you were looking for ?

(The Cost*Tax% field was just there to verify the math :winking_face: )

The Total Cost is formatted as “Currency”. The Cost is /100 To go around the bug with calculations with percentage.



Thank you very much this solved my problem


Would it be possible to make the percentage vary based on the item belonging to a certain category?


I made a check stub for this.


Before, I used to do all this work in Excel, but over time, I realized that it is a waste of time and that there are very good alternatives. I already don’t even remember what formulas I use, and that’s why, unfortunately, I can’t help you with this. But instead, I recommend you make a pay stub. All the fees and taxes you pay on an online pay stub will also be calculated there. It is very simple. All you need is a pay stub generator, and within 2 minutes, your pay stub is ready. I recommend you to try it.


Hey! For the formula, try: Cost + (Cost * (Tax / 100)). That should give you the total.

And yeah, while there are other ways to see taxes and stuff, like maybe on a check stub generator if you're lookin' at income, this formula should work right in your spreadsheet for sales tax.


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