Sales Tax Calculator

Add tax to price, remove tax from total, or find tax rate. Optional state presets.

Result

Fill in the fields above, then press Calculate.

To add tax: enter the price before tax and the tax rate (or select a state for a preset rate), then click Calculate. To remove tax: enter the total you paid and the tax rate to find the pre-tax price. To find the rate: enter the price before tax and the total paid to get the effective tax rate.

Examples

Add Tax to a Purchase

Item price $49.99 with 8.25% sales tax: Tax = $4.12, Total = $54.11.

Find Pre-Tax Price

You paid $107.50 total with 7.5% tax. Pre-tax price = $107.50 / 1.075 = $100.00. The tax portion was $7.50.

Frequently Asked Questions

How do I find the tax rate from a receipt?
Use the "Find Rate" mode: enter the pre-tax price and the total paid. The calculator divides the difference by the pre-tax price to find the effective tax rate.
Do all US states have sales tax?
No. Five states have no statewide sales tax: Alaska, Delaware, Montana, New Hampshire, and Oregon. However, some localities in Alaska do levy local sales taxes.
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Quick Tips

Double check your inputs. Ensure units match (e.g., inches vs cm).

Did you know?
Calculators are estimates. Consult professionals for critical decisions.