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Calculate sales tax amounts and total item costs with state rates or custom percentages.
Select your local currency for formatting calculations
Tax to be added to price.
Final purchase value.
Common questions and guides for using the Sales Tax Calculator.
Multiply the item price by the sales tax rate divided by 100. For example, a $100 item with an 8.25% tax rate results in $8.25 in tax. The calculator does this automatically and shows both the tax amount and total price.
Select your state from the preset dropdown. The calculator includes base rates for major states including California (7.25%), Texas (6.25%), New York (4%), Florida (6%), Illinois (6.25%), Pennsylvania (6%), and Ohio (5.75%).
Enter the item price and your local tax rate. The calculator instantly shows the exact tax amount and the total price including tax. You can also select a state preset for automatic rate filling.
To find the original price before tax, divide the total price by (1 + tax rate/100). For example, if the total is $108.25 and the tax rate is 8.25%, the pre-tax price is $108.25 / 1.0825 = $100.
Divide the total amount by (1 + tax rate/100). If you paid $108.25 total at 8.25% tax, the item price was $100. Use the calculator by entering different prices until the total matches your receipt.
Five states have no statewide sales tax: Alaska, Delaware, Montana, New Hampshire, and Oregon. However, some local municipalities in these states may still impose their own sales taxes.
Many states allow cities and counties to add their own sales tax on top of the state rate. Your total sales tax rate is the state rate plus any local district taxes. Always check your local jurisdiction for the exact combined rate.
Yes, the calculator works for any purchase amount. Simply enter the item price and the applicable tax rate. The tool will compute the tax and total for large purchases like cars, appliances, or furniture.
Online sales tax is typically based on the shipping address. Since the 2018 South Dakota v. Wayfair ruling, online retailers must collect sales tax in most states where they have economic nexus.
The calculator is accurate for the base state rates provided. For precise calculations, confirm your exact local rate including city and county taxes, as these can vary within a state.
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