EV-T10Standalone tool

Sales tax calculator

Add a known sales-tax rate and separate the pre-tax price, tax amount, and checkout total.

EV-T10

Add sales tax.

Apply a rate you already know and separate the pre-tax price, tax amount, and checkout total.

Formula and assumptions: Tax = price × rate ÷ 100. Total = price + tax. Rates vary by state, county, city, product, and date; this tool does not look up a jurisdiction.

READYEnter a scenario, then calculate.
Method reference: Federation of Tax Administrators state links ↗