Sales Tax Calculator (USA) – Add or Remove Tax
Free sales tax calculator: add your state and local rate, or work back from a tax-inclusive price.
🔒 Free, no sign-up. Runs in your browser – your details stay on this device.
How to use it
Type an amount, choose add or remove, and the tax and totals appear instantly.
FAQ
What is my sales tax rate?
It depends on your state, county and city. Use your state revenue department’s rate lookup – links below. There is no federal sales tax.
How do I remove sales tax from a total?
Divide by 1 plus the rate. With 8.25% tax, $108.25 ÷ 1.0825 = $100.
Disclaimer: Estimates and templates only – not tax, legal or financial advice. Rules change; check the official sources below or ask a qualified adviser before relying on results.
Official sources
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