7.25
100
0
100
7.25
107.25
7.25
100
0
100
7.25
107.25
This Sales Tax Calculator helps you calculate the final price after sales tax in the United States. Choose a state to auto-fill the statewide tax rate, or enter a custom rate for city/county totals. It also supports tax-included pricing, discounts, and quantity.
There are two common pricing styles:
Tax added on top: Total = Price × (1 + tax rate)
Tax included: Pre-tax = Price ÷ (1 + tax rate), Tax = Price − Pre-tax
State rates shown are statewide (standard) rates. Many locations add local taxes on top, which is why a custom rate option is included.
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Results
$100 × 7.25% = $7.25 tax, total $107.25.
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Results
Oregon statewide rate is 0%, so tax is $0 and total equals the price.
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Results
If $108 is tax-included at 8%, pre-tax is $100 and tax is $8.
Sales tax = price × (tax rate ÷ 100). Total price = price + sales tax.
Many states add city, county, and special district taxes on top of the statewide rate. Your combined rate can be higher than the state-only rate.
Several states have a 0% statewide sales tax. This calculator includes those states, but local taxes may still exist in some places.
Pre-tax price = total ÷ (1 + rate). Tax = total − pre-tax price.
Sales tax rates can change. The state rates here are standard statewide rates and should be used as estimates. For exact totals, use your combined state+local rate.
Roboculator Team
The Roboculator Team explains calculations, planning tools, and practical formulas in clear language for real-life situations.
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