Sales Tax Calculator
Add a configurable sales tax rate to a purchase price. Rates are user-entered — we don’t invent local tax tables.
Free · No signup · Runs in your browser · Shareable link syncs inputs
Inputs
Updates live as you type — Calculate syncs a shareable URL.
Total with tax
$108.25
$100.00 × 8.25% = $8.25 tax
Rate data is user-supplied. Last verified by you — not maintained by this site.
Subtotal
$100.00
Tax
$8.25
Total
$108.25
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How this calculator works
Add a configurable sales tax rate to a purchase price. Rates are user-entered — we don’t invent local tax tables.
How is it calculated?
Tax = price × (rate ÷ 100). Total = price + tax.
Example
$100 at 8.25% → $8.25 tax, $108.25 total.
Frequently asked questions
Why don’t you fill my state rate?+
Sales tax varies by jurisdiction and changes often. Enter the rate that applies to your purchase rather than relying on stale defaults.