Sales Tax Calculator

Calculate sales tax for any purchase by state. See combined state and local rates, tax-exempt items, and total cost after tax.

Frequently Asked Questions

How is sales tax calculated?
Sales tax is calculated by multiplying the purchase price by the combined tax rate (state + local). This calculator uses current 2026 rates for all 45 states with sales tax.
Which states have no sales tax?
Five states have no state sales tax: Alaska, Delaware, Montana, New Hampshire, and Oregon.
Does sales tax apply to online purchases?
Yes. Since the 2018 Wayfair decision, most online retailers must collect sales tax in states where they have economic nexus.
Is my data stored?
No. All calculations happen in your browser.