Sales Tax Calculator
A free, browser-based calculator. Runs entirely in your browser — no sign up, nothing stored.
100% FreeRuns in your browserBasic
Enter Values
Enter your values and press Calculate to see results.
How to use this calculator
- Enter the amount and tax rate.
- Press Calculate.
How it works
Tax = amount × rate ÷ 100; the total is the amount plus the tax.
Worked example
$100 at 8%. $8 tax, $108 total.
Related tools
Tip: Enter any known values to calculate the remaining results.
All calculations run in your browser. Your inputs are never saved or transmitted.