US Sales Tax Calculator
US Sales Tax Calculator adds or removes sales tax using a lite statewide rate table or your own combined local rate — estimate only, not official advice.
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Interactive US Sales Tax Calculator widget loads and processes in your browser session.
How to Use US Sales Tax Calculator
- Enter the pre-tax or post-tax amount.
- Choose a US state or enter a custom rate %.
- Select add or remove tax.
- View base, tax, and total.
Common Use Cases
- Quick checkout estimates before shopping.
- Invoice math when a local rate is known.
State vs local
Many cities add district tax on top of the state rate. Override with your combined rate when you know it.
Frequently Asked Questions
Is this filing advice?
No. It is a lite estimator. Confirm with your state DOR or a tax professional.
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