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Toolzum

Sales Tax Calculator

Add sales tax to prices instantly by rate — checkout totals, quotes, and receipts. Price a $49 item at 8% correctly — free, local, no signup.

100% Local Browser Native

How to Use the Sales Tax Calculator

1. Enter price and rate

Pre-tax amount with local percent.

2. Read total

Tax plus total together.

3. Switch to a US state

Pick from 51 built-in base state rates (e.g. CA 7.25%) instead of typing one.

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Frequently Asked Questions

How much is $49 plus 8%?

$52.92 — enter price with rate; tax ($3.92) and total display together. Exempt items calculate separately.

Which rate applies?

Varies by jurisdiction (0–10%+ in the US; VAT/GST elsewhere). Type any custom rate, or pick a US state from the built-in 51-entry base-rate table (CA 7.25%, NY 4.00%). State mode shows base rates only — local/county add-ons of 1–3% are excluded, and the five zero-tax states (AK, DE, MT, NH, OR) flag as such.

Tax-inclusive pricing?

Not supported — the tool only adds tax onto a pre-tax price; there is no reverse mode that backs tax out of a total. For receipts needing both figures, divide the total by (1 + rate) yourself.

Do tax figures upload?

No — math runs locally in your browser. Numbers never leave your device.

Last updated October 2026