Is this tool free to use?

Yes. Every public Alexonic tool is completely free to use with no charge.

Do I need an account?

No account is required for public tools. Some private/admin features may be separate from the public site.

Can I use this tool for work?

Yes, but verify important results before using them in production, payroll, finance, tax, or business decisions.

Do you save my tool data?

No. We do not save your tool inputs or generated results. We value customer privacy, but you should still avoid entering sensitive personal, banking, password, customer, or confidential business data into public web tools.

How can I report an issue or request a tool?

Send feedback to the developer if you see an issue, need a new tool, or require an update. We continue building and fixing each day.

Sales Tax CalculatorUSA

Calculate US sales tax and total price

Enter a pre-tax price to add sales tax, or enter a total to back out the pre-tax amount. Useful for shopping, receipts, and budget checks.

Pre-tax price

$45.50

Tax amount

$3.75

Final total

$49.25

Sales tax rate

8.25%

Quick sample

Before tax

Sales tax rates vary by state and city, so the calculator stays generic and lets you enter your own rate.

Pre-tax price

Sales tax rate

Final total

$49.25

Price plus sales tax, shown in USD.

Pre-tax price$45.50

Tax amount$3.75

Final total$49.25

Sales tax rate8.25%

Back out tax$45.51

Total price: $49.26

Enter a receipt total and the same tax rate to estimate the pre-tax amount and tax included in the total.

Total price

Sales tax rate

Before tax$45.51

Tax amount$3.75

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Help & answers

Frequently Asked Questions

Important disclaimer: Alexonic Tools is completely free to use. There is no charge, and we do not save tool inputs or generated results. We value customer privacy and keep building and fixing each day. Always verify important financial, payroll, legal, tax, business, or production-code results before relying on them. If you see an issue, need a tool, or require an update, send feedback to the developer.