Sales Tax Calculator
Add tax to a price or reverse-calculate the pre-tax amount. Select your US state for the 2025 rate or enter a custom percentage.
Pre-tax Price
$100.00
Tax (7.25%)
$7.25
Total Price
$107.25
State-level rate only. Local/county taxes may add 0–4% depending on your city.
How Sales Tax Works in the US
Sales tax in the United States is administered at the state and local level — there is no federal sales tax. Rates range from 0% (in Delaware, Montana, New Hampshire, and Oregon) to over 10% when state and local rates are combined in some jurisdictions.
For consumers, the most common use of a sales tax calculator is to figure out the true cost of a purchase. A $500 laptop in California costs $536.25 at the 7.25% state rate, or as much as $551.25 in parts of Los Angeles County at the 10.25% combined rate. Budget accordingly before making large purchases.
For businesses, the reverse calculation — removing tax from a total — is equally important for accounting. If a receipt shows a total amount and you need to separate the pre-tax price from the tax for your records, use the "Remove Tax" mode. This is essential for expense reports, bookkeeping, and VAT reclaim processes.
Note that sales tax applies to tangible goods in most states. Many states exempt groceries, prescription drugs, and certain clothing from sales tax. Services may or may not be taxable depending on the state. For exact applicability to your situation, check your state's department of revenue guidelines.