Everyday money

Sales Tax Calculator

Estimate the tax amount and final purchase price from the pretax price, local rate and quantity.

Local rates, exemptions and product-specific rules may differ. Confirm the applicable rate for the transaction.

Sales-tax calculation

Multiply the taxable subtotal by the tax rate expressed as a decimal, then add the tax to the subtotal. Some locations combine state, county and city rates.

Why the checkout amount may differ

  • Some products or services may be exempt
  • Shipping and discounts may be treated differently
  • Marketplace and destination rules can affect the rate
  • Rounding may occur per item or per transaction

Educational estimate only; not tax advice.