Sales Tax Calculator
Add sales tax to a price, or work backwards from a total that already includes tax.
Example totals
$100 at 7%$107.00
$250 at 8.25%$270.63
$53.50 total at 7%$53.50
How this calculator works
Sales tax equals the price before tax times the tax rate. To work backwards from a total, we divide by one plus the rate. Your real rate is the state rate plus any city or county rate, so use the full rate shown on your receipt.
FAQ
What is my sales tax rate?
It is the state rate plus local rates. Check your state or city website, or a past receipt.
Are all items taxed?
Not always. Groceries, clothing and some other items are exempt in some states.
Which states have no sales tax?
Delaware, Montana, New Hampshire and Oregon have no state sales tax, though local taxes may apply in some places.
Rates and limits last updated: October 2026. This is an estimate for general information only, not financial, tax or legal advice.