Monthly subscription · $9/mo
US Sales Tax Calculator
Enter a state and an amount. Get the state sales tax rate, the tax due, and the total — plus the state's economic nexus threshold as a reference. Covers 21 states plus DC.
What's included
- State-level sales tax rates for 21 states plus DC
- Tax-exclusive and tax-inclusive calculations
- Economic nexus threshold reference per state
- No-tax states shown for reference
- Copy-ready numbers for invoicing or quoting
How it works
1
Subscribe
Secure Stripe checkout. Cancel anytime.
2
Bring your input
Upload a file, enter a number, or fill a short form — whichever the tool needs.
3
Get your result
On screen, as a download, or as an alert when something changes. Yours to keep.
Get started
Last updated: 2 Oct 2026
A few things worth knowing
Billed monthly. Cancel anytime from your Stripe receipt email — no phone calls, no forms.
Built to save you time, not to advise you. For anything with legal, financial, or regulatory consequences, check with the professional who handles that for you.