What states have no sales tax?

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.

How do local sales taxes work?

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.

Can I calculate sales tax on large purchases?

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.

How do online purchases calculate sales tax?

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.

How accurate is this sales tax calculator?

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.

Back to Finance Tools

Sales Tax Calculator

Calculate sales tax amounts and total item costs with US state rates or custom percentages, plus itemized receipt breakdowns.

Calculator Currency

Select your local currency for formatting calculations

Item Price ($)

US State Preset

Tax Rate (%)

Sales Tax Amount $8.25

Tax to be added to price.

Total Price with Tax $108.25

Final purchase value.

Knowledge Base

Sales Tax Calculator FAQ

Useful answers for sales tax calculator.

How do I calculate sales tax?

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.

What is the sales tax rate in my state?

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%).

How much tax will I pay on a purchase?

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.

How do I calculate sales tax backwards?

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.

How do I remove sales tax from a total?

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.