Free Sales Tax Calculator
Quickly add sales tax to any amount. Enter the pre-tax amount and your local sales tax rate.
Sales Tax Calculator
Add or extract sales tax
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Fill in a few fields — no account needed. Your data stays in your browser.
AI Generates Results
Our AI processes your input and generates professional results in seconds.
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Why People Choose This Tool
Built on the same AI platform that powers hundreds of business websites.
Instant Results
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How to Use the Sales Tax Calculator
Enter the amount before tax and your local sales tax rate. The calculator will show the tax amount and the total including tax.
Frequently Asked Questions
Everything you need to know about this tool.
Is this calculator free?
Does this work for all states?
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