Sales Tax Calculator

Sales tax is a consumption tax added to the purchase price of taxable goods and services. The rate varies by state, county, city, and product.

To find sales tax, multiply the pre-tax price by the sales tax rate written as a decimal. For example, $100 × 0.07 equals $7 in sales tax.

The sales tax formula is sales tax = pre-tax price × (tax rate ÷ 100). The total price is pre-tax price plus the sales tax amount.

Sales tax is calculated by multiplying the price of an item by the tax rate percentage expressed as a decimal.

Reverse sales tax calculation is finding the original pre-tax price of an item when you only know the final total price and the tax rate. You divide the total by (1 + tax rate).

The average combined state and local sales tax in the United States typically hovers around 6% to 8%, but it varies widely by state, county, and city.

No. Taxability depends on local laws. Common exemptions in many states include groceries, prescription drugs, and sometimes clothing.