Sales Tax Calculator
Adds sales tax to a price and shows the tax amount and total.
Every calculation runs instantly in your browser, so your inputs are never sent to a server, and the tool is free with no sign-up. You can save the results as an Excel file with live formulas and reuse them later.
Inputs
- Amount (before tax) ($)
- Sales tax rate (%)
Example calculation
Total with tax: $107.25
| Subtotal | $100.00 |
|---|---|
| Sales tax | $7.25 |
Method & notes
U.S. sales tax rates vary by state, county and city. Enter your combined local rate.
Tips
Change any input and the result recalculates in real time. After downloading the Excel file, you can reuse it by editing only the yellow input cells.
FAQ
How does the Sales Tax Calculator work?
Adds sales tax to a price and shows the tax amount and total. U.S. sales tax rates vary by state, county and city. Enter your combined local rate.
Can I save the results?
Yes. You can download the results for free as an Excel (.xlsx) file with live formulas that recalculate when you change the yellow input cells.
Is it free?
Yes — all Calcova calculators are free, and you can save results as an Excel file.