Which US states have no sales tax?

Alaska, Delaware, Montana, New Hampshire, Oregon. Local taxes may apply in some of these states (especially Alaska).

What's the difference between adding tax and extracting tax?

Adding: pre-tax price × (1 + rate). Extracting: post-tax total ÷ (1 + rate) gives the pre-tax base, and the difference is the tax.

Does the calculator handle compound taxes?

It handles a single combined rate. For places with both state and city tax, sum the rates first.

Is VAT the same as sales tax?

Conceptually similar, mechanically different. VAT is collected at each production stage and credited; sales tax is only at retail. For consumer-facing arithmetic, the calculator works either way.

Tips themselves usually aren't subject to sales tax, but check your local rules — restaurants in some jurisdictions tax the entire bill before tip.

Sales Tax Calculator

Add or extract sales tax (US states + custom)

Calculators

Sales Tax Calculator

Add or extract sales tax (US states + custom)

State / Preset Tax rate (%)

Pre-tax

Tax

Total

About this tool

Free sales-tax calculator with state-level presets. Two modes: add tax to a pre-tax price, or extract the tax that's already baked into a total. State presets are the base statewide rate — actual rates can be higher once county and city taxes stack on top.

Formula

Add tax: tax = price × rate ÷ 100, total = price + tax

Extract: pretax = total ÷ (1 + rate÷100), tax = total − pretax

How to use

1 Pick a mode: add tax to a price, or extract tax from a total.
2 Enter the amount.
3 Pick a state preset (or type a custom rate).
4 Pre-tax, tax, and total all update instantly.

Examples

$100 + CA (7.25%)	$7.25 tax → $107.25 total
$200 + NY base (4.0%)	$8.00 tax → $208.00 total
Extract tax from $107.25 at 7.25%	$7.25 tax, $100.00 pre-tax
$50 + no-tax state	$0.00 tax → $50.00 total

Frequently asked questions

State presets are the base statewide rate. Counties, cities, and special districts add their own tax — combined rates can exceed 10% in places like Los Angeles or Chicago. Override with a custom rate when you know the exact local total.

Alaska, Delaware, Montana, New Hampshire, and Oregon have no statewide sales tax (Alaska allows local). Pick the 'No sales tax' preset.

Mathematically yes — VAT/GST works the same way. Just type your VAT rate in the custom box (e.g. 20% UK, 19% Germany, 5% UAE).

They reflect statewide base rates as of 2025. They do not auto-update when states change rates — for the exact current rate at a specific address, consult your tax authority or POS system.

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Sales Tax Calculator

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