How it works
Sales tax is a percentage of the purchase price added at checkout. Rates vary by state, county and city.
Formula
Tax = Price × rate Total = Price + Tax
Example
$120 at 8.25% sales tax is $9.90 in tax, for a total of $129.90.
Assumptions & limitations
- Uses the tax year shown on the calculator.
- Federal figures only unless a rate is entered.
- Does not include every credit, deduction or local tax.
Frequently asked questions
How do I remove tax from a total?
Divide the total by (1 + rate). For $129.90 at 8.25%: 129.90 ÷ 1.0825 = $120.