US Sales Tax Calculator
Calculate sales tax for any US state. Includes all 50 states plus D.C. with current rates — free online calculator, instant results.
Last updated: 10 October 2026
Calculate US sales tax by state with optional local county or city rate. A $499.99 purchase in California at the 7.25% base rate came to $36.25 tax and $536.24 total; adding a 1.5% local rate (8.75% combined) gave $43.75 and $543.74.
US Sales Tax Calculator
Calculate sales tax for any US state. Includes all 50 states plus Washington, D.C.
Enter the full combined state + local rate. Example: CA state 7.25% + LA city 1.5% = enter 8.75. This replaces the state rate above.
US States with No Sales Tax
Note: Alaska allows local jurisdictions to charge sales tax.
State Rate Only — Local Taxes May Apply
The rates shown are state-level rates only. Most states also allow cities and counties to add their own sales tax on top. Use the “Combined State + Local Rate” field above to enter the full rate for your location.
Rates last updated September 2026. Sources: Tax Foundation, individual state revenue departments.
Worked Examples
Verified calculations
- $499.99 at California's 7.25% state rate → $36.25 tax, $536.24 total
- Same price at 8.75% combined (state + 1.5% local) → $43.75 tax, $543.74 total
- Rates cover all 50 states plus Washington, D.C.
Using the rate correctly
- The state base rate is the floor; city and county additions apply on top in most jurisdictions.
- Some states exempt groceries or clothing — the calculator applies the general rate.
- Rates change frequently; confirm the local component with the seller for large purchases.
About US Sales Tax Calculator
Calculate US sales tax for any of the 50 states plus Washington D.C. Shows the current state-level tax rate and lets you add local county/city tax with a custom rate override. Essential for online shopping, budgeting, and business pricing in the United States. We tested with a $499.99 purchase in California (7.25% state rate) — the calculator returned $36.25 tax and $536.24 total, matching California's base rate. Adding a 1.5% local rate (8.75% combined) gave $43.75 tax and $543.74 total.
Limits: Uses state-level base rates only — actual combined rates vary by county, city, and special district; Does not account for item-specific exemptions (groceries, clothing, prescription drugs); Tax rates are not updated in real-time — verify current rates with state revenue departments; Does not support international sales tax or VAT calculations
Who Uses This Tool
- An online shopper in Texas checking the total cost of a $89.99 item with 6.25% state tax plus 2% local tax
- A small business owner in Florida calculating sales tax on $15,000 of monthly inventory at 6%
- A consumer in Oregon confirming they pay no state sales tax on a $1,200 electronics purchase
Key Features
- All 50 US states + D.C.
- Combined state + local rate override
- No-sales-tax states highlighted
- Instant calculation
- Browser-only — no data sent to servers
How to use US Sales Tax Calculator
- Enter the purchase price in dollars.
- Select your US state from the dropdown.
- Optionally enter a combined state + local rate to include county/city taxes.
- Click 'Calculate Tax' to see the tax amount and total price.
How It Compares
Unlike Avalara's tax rate lookup which requires account creation and is designed for businesses, this tool provides instant calculations with no sign-up. It also works entirely offline — your purchase data never leaves your browser, unlike server-based calculators.
Privacy & Security
Because processing happens directly in your browser, your files and input are not uploaded to our servers.
Written and checked by Mohammad Sohail
Tax figures re-checked on 10 October 2026 against California's published base rate.
About FreeDigitalToolkit →Frequently Asked Questions
Which US states have no sales tax?
Five states have no statewide sales tax: Alaska, Delaware, Montana, New Hampshire, and Oregon. However, Alaska allows local jurisdictions to impose their own sales tax.
What is the average US sales tax rate?
The combined state and local average sales tax rate in the US is approximately 7.5% to 10%, depending on location. State rates range from 0% (Oregon) to 7.25% (California state rate).
Does this include local city/county tax?
The calculator shows state-level rates by default. Use the 'Combined State + Local Rate' field to enter the full rate. For example, if California state is 7.25% and your city adds 1.5%, enter 8.75.
Are sales tax rates the same for all items?
No. Some items like groceries, medicine, and clothing may be exempt or taxed at lower rates depending on the state. This calculator applies the general state rate.
How often do sales tax rates change?
State rates change rarely, but local rates can change annually. Always verify current rates with your state's department of revenue for exact transactions.
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