US Sales Tax Calculator
Add sales tax to a price or remove sales tax from a total using any state or local rate.
Last updated: 2026-03-18Sources: 1 sources
What this page helps you check
Add sales tax to a pre-tax price or back tax out of a tax-inclusive total using a rate you choose.
- Estimate checkout totals before a purchase
- Back out the taxable price from a receipt total
USD
8.25%
0%15%
Pre-tax amount
$100.00
Sales tax
$8.25
Total with tax
$108.25
Last updated: 2026-03-18
Sales tax varies by state and local jurisdiction. This calculator does not look up your location automatically, so verify the actual applicable rate before using the result for pricing or reporting.
How to read the result
Sales tax in the US varies by state and local jurisdiction. The result is only as accurate as the rate you enter, so verify the actual local rate before pricing or filing.
FAQ
- Can I use combined state and local sales tax?
- Yes. Enter the full combined rate that applies at the point of sale.
- Does this work for tax-inclusive receipt totals?
- Yes. Use the back tax out mode to estimate the pre-tax amount and tax portion from a tax-inclusive total.
- Does this cover special excise taxes or fees?
- No. It only handles percentage-based sales tax that you enter manually.