What states have no sales tax?

Oregon, Montana, New Hampshire, Delaware, and Alaska have no statewide sales tax (Alaska allows local sales taxes).

How do I calculate the pre-tax price from a total?

Pre-tax price = Total Price ÷ (1 + tax rate). Example: $107 ÷ 1.07 = $100 pre-tax with 7% tax.

Sales Tax Calculator

Enter price and tax rate to calculate sales tax and total cost — or reverse it to find the pre-tax price.

Instantly calculate sales tax on any purchase. Enter a price before tax to find the total with tax, or enter a price after tax to reverse-calculate the pre-tax amount and tax paid.

Last reviewed: April 2026Report an error

Price ($)

Sales Tax Rate (%)

I want to

Price After Tax

$108.50

Pre-tax: $100.00 + $8.50 tax = $108.50 total.

Pre-Tax Price

$100.00

Tax Amount

$8.50

Total After Tax

$108.50

How to Use This Sales Tax Calculator

Enter the price (before or after tax).
Enter the sales tax rate for your state/city.
Select whether your price is before or after tax.
Read tax amount and the other price.

Frequently Asked Questions

: Oregon, Montana, New Hampshire, Delaware, and Alaska have no statewide sales tax (Alaska allows local sales taxes).
: Pre-tax price = Total Price ÷ (1 + tax rate). Example: $107 ÷ 1.07 = $100 pre-tax with 7% tax.

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Sales Tax Calculator

How to Use This Sales Tax Calculator

Frequently Asked Questions

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