Everyday
US Sales Tax Calculator
Add state sales tax to any purchase amount for all 50 US states and DC.
100% client-side — your data never leaves this tab
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What is US Sales Tax Calculator?
US Sales Tax Calculator adds state sales tax to a purchase amount for all 50 states and DC using 2026 state rates. See tax amount and total price instantly. Local city/county taxes may apply in many states — noted where relevant. Fully client-side.
Purchase amounts are processed locally and never sent to a server.
How to use US Sales Tax Calculator
- 1Enter the pre-tax purchase amount in USD.
- 2Select the state where the purchase occurs.
- 3View state sales tax and total price.
Examples
$100 in California
State rate 7.25% → $7.25 tax → $107.25 total
$100 in Oregon
No state sales tax → $100 total
Tips & common mistakes
- Five states have no statewide sales tax: Alaska, Delaware, Montana, New Hampshire, Oregon (local may apply).
- Displayed rates are state-level; combined rates can exceed 10% in some cities.
- Use your exact ZIP code for local tax when precision matters.
Who uses this tool?
- Estimating out-the-door price when shopping online or traveling.
- Business expense calculations by state.
- Comparing tax-free vs. taxable states for large purchases.
Frequently asked questions
- Which US states have no sales tax?
- Delaware, Montana, New Hampshire, and Oregon have no statewide sales tax. Alaska has no state tax but allows local taxes.
- What is California sales tax rate?
- California state base rate is 7.25%. Local districts can push combined rates above 10% in some areas.
- Does this include local sales tax?
- This calculator uses state-level rates only. Cities and counties often add 1–4% more.
- How do I calculate sales tax on a price?
- Multiply pre-tax amount by the tax rate. Example: $200 × 6.25% = $12.50 tax, total $212.50.
- Is my purchase data stored?
- No. Calculations run entirely in your browser.