United States Sales Tax
Free US Sales Tax Calculator
Instantly estimate combined state and local sales tax for any US purchase by ZIP code or state. Compare 2026 state tax rates, look up ZIP code tax rules, and review local tax jurisdictions across all 50 states and Washington, DC.
Instant Calculator
Calculate Sales Tax
Beverly Hills, California (CA)
Example ZIP-level estimate for Beverly Hills, California.
- State tax (7.25%)
- $7.25
- Local tax (2.25%)
- $2.25
- Total tax
- $9.50
- Final amount
- $109.50
US Coverage
What This Sales Tax Site Covers
Calculator
Use the sales tax calculator to estimate state tax, local tax, total tax, and final amount from a taxable purchase amount.
Location Logic
Review ZIP-code sales tax guidance and local sales tax to understand why rates can change by city, county, or district.
Rules And Resources
Read the US sales tax rules before relying on ecommerce, nexus, exemption, or state-rate estimates.
US Tools
Start With The Core US Sales Tax Tools
Sales tax by ZIP code
Location-based sales tax logic, ZIP limits, and jurisdiction accuracy.
Local sales tax
City, county, district, transit, and other local sales tax layers.
City sales tax
Understand when a city or municipality can add sales tax on top of state and county rates.
County sales tax
Learn how county-level tax can affect the final combined sales tax rate.
Special district sales tax
Review transit, district, school, and special-purpose local tax layers.
Sales tax for ecommerce
Business scenarios for nexus, marketplace collection, and checkout tax.
US sales tax rules
Conceptual sales tax rules for taxability, sourcing, exemptions, and nexus.
Discount & sales tax calculator
Calculate out-the-door price after percentage discounts and US state/local sales tax.
Profit margin & markup calculator
Compute gross margin, markup percentage, revenue, and customer invoice tax.
1099 self-employment tax calculator
Estimate 15.3% FICA self-employment tax, income taxes, and quarterly IRS payments.
Reverse sales tax calculator
Back out the pre-tax price and tax amount from a final tax-included total.
Tax included calculator
Separate embedded sales tax from a price that already includes tax.
Sales tax vs use tax
Compare seller-collected sales tax with buyer-reported use tax obligations.
2026 state sales tax rates
Compare state rates, average local rates, and combined sales tax rates across the United States.
Sales tax nexus
Understand physical nexus, economic nexus, and why sellers may need to collect tax.
Sales tax exemptions
Review common product, buyer, resale, and certificate-based exemption scenarios.
Sales tax exemptions by state
Compare how state-specific exemption checks connect to product, buyer, resale, and certificate rules.
Popular State Calculators
State Sales Tax Calculators
Frequently Asked Questions
How do I calculate sales tax?+
Multiply the taxable purchase amount by the combined state and local sales tax rate. Then add the tax amount to the original price to get the final total.
Can I calculate sales tax by ZIP code?+
Yes. ZIP code is useful for a quick estimate because local sales tax can vary by city, county, district, or special jurisdiction.
Is ZIP-code sales tax always exact?+
No. ZIP codes can cross tax jurisdiction boundaries, so official collection or filing should use full address-level verification.
What is the difference between state and local sales tax?+
State sales tax is set statewide. Local sales tax can be added by counties, cities, transit authorities, or special districts.
Which states have no statewide sales tax?+
Alaska, Delaware, Montana, New Hampshire, and Oregon do not have a statewide general sales tax. Alaska can still have local sales taxes.
Does sales tax apply to online purchases?+
It can. Online sales tax depends on seller nexus, marketplace collection rules, product taxability, and the buyer delivery location.
Do exemptions change the sales tax calculation?+
Yes. Product exemptions, resale certificates, nonprofit buyers, tax holidays, and other state rules can reduce or remove sales tax.
Can I use this calculator for filing sales tax?+
Use it for estimates and planning. Before collecting, filing, or remitting tax, verify the rate with official state or address-level sources.