Sales Tax Calculator
Price plus tax amount
Use this when you need a fast, accurate result — no sign-up, works entirely in your browser.
Tax amount—
Total price—
How to Use
- Enter your details into the fields above.
- Click the calculate button to get your result instantly.
- Use the clear button to start a new calculation.
Example
- $250 item, 8.25% tax → Tax ≈ $20.63; total ≈ $270.63
- $80 item, 8.25% sales tax → Tax $6.60; total $86.60
Formula
Tax = price × rate ÷ 100, and total = price + tax. To strip the tax back out of an amount you already paid, divide the total by (1 + rate ÷ 100) — do not simply subtract the same percentage.
About Sales Tax Calculator
Price plus tax amount. This free online tool gives you fast, accurate results without registration or downloads.
Everything runs locally in your browser, so your data is never uploaded or stored — privacy first.
Frequently Asked Questions
Is the Sales Tax Calculator free to use? +
Yes, the Sales Tax Calculator is completely free with no registration, login, or download required.
Is my financial data private? +
Yes. All calculations happen locally in your browser. Your numbers are never uploaded or stored on our servers.
Can I use the Sales Tax Calculator on mobile? +
Yes, it works on any device — phone, tablet, or desktop — with instant results.