PennyCompass

US Sales Tax Calculator

Free sales tax calculator for all 50 US states. Compute total cost including state and local sales tax for any purchase price.

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Compute sales tax owed on any purchase. Pick a state below for state-specific rates and a deep explainer.

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Frequently asked questions

Which states have no sales tax?
Five states have no statewide sales tax: Alaska, Delaware, Montana, New Hampshire, and Oregon. Alaska does allow local sales tax, so some Alaska municipalities still levy it.
How accurate is the rate?
We use each state's average combined state and local sales tax rate as published by the Tax Foundation and state revenue departments. Your actual rate may be higher or lower depending on the specific city or county.
Is sales tax based on where I live or where I buy?
Generally, in-store purchases use the location of the store. Online purchases use the destination ZIP, that is the standard post-Wayfair (2018) sourcing rule.

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