Sales Tax Calculator
Add sales tax to a price, remove included tax from a total, combine tax rates, or calculate the effective tax rate.
Last updated: August 2026
Sales Tax Calculator
An 8.25% sales tax on $100.00 is $8.25, for a total of $108.25.
$100.00 × 8.25% = $8.25
Actual sales-tax rules vary by location and item. Multiple entered rates are added together; this calculator does not look up local tax rates.