US Sales Tax Calculator

Introduction

Estimate sales tax for a US purchase by entering the pre-tax or tax-included amount and the combined state, county, and city rate that applies.

About this us sales tax tool

US Sales Tax Calculator is designed for a focused everyday task where a quick browser-based calculation or conversion is more useful than a full spreadsheet. Review the inputs carefully, then use the result as a practical planning aid.

How this tool works

Enter the values requested by the page, review the result, and change one input at a time if you want to compare scenarios. Keeping the assumptions visible makes the output easier to interpret and easier to verify elsewhere.

1. Choose an example rate or enter the combined local sales tax rate you want to use.
2. Enter the amount and choose whether to add sales tax or remove sales tax.
3. Review the estimated pre-tax amount, sales tax amount, and total.

When to use this tool

Use the tool for quick checks, estimates, and everyday planning. For official, regulated, legal, tax, payroll, medical, or high-value decisions, verify the result with the relevant provider, authority, or qualified adviser.

Good to know

• Estimates only. US sales tax can vary by location, product type, exemption, marketplace, and filing period.
• Check state and local tax authority sources, receipts, or a tax professional before relying on a final figure.

Country-specific assumptions

• US rates vary by state, city, county, lender, employer plan, and tax year.
• Sales tax presets are examples only; enter the combined local rate that applies to your purchase.
• Salary and 401k results are estimates only and should be checked against IRS guidance, payroll records, lender documents, or professional advice.

Results are estimates only. Do not use this page as regulated financial, tax, legal, payroll, mortgage, or investment advice; check official government sources, provider documents, or a qualified professional before making final decisions.