Sales Tax Calculator — Add or Remove Sales Tax
Reviewed 2026-06-03 · FinCalc Hub Editorial
Sales tax rates combine state and local taxes and vary by location. Use this to add tax to a price, or to work backward and find the pre-tax amount from a total.
Mode
Sales tax$7.25
Pre-tax price$100.00
Total$107.25
Combined state + local rates vary widely. Enter your exact local rate.
Frequently asked questions
- How do I find my sales tax rate?
- Combine your state rate with any county and city rates. Rates can range from 0% (a few states) to over 10%.
- How do I remove tax from a total?
- Use 'Tax included' mode — it divides the total by (1 + rate) to find the pre-tax price.