Add state and local rates to a tax-exclusive base for a single total.
Combined rate: 8% (state + local)
Tax amount: 8
Total price: 108
US Combined Sales Tax helps you add state and local rates to a tax-exclusive base for a single total. It is commonly used by finance teams, founders, individual planners for us sales tax, state and local tax, combined sales tax calculator.
How it works
Enter the base price (before tax) plus state and local tax percentages. The tool uses:
Total = base × (1 + (state% + local%) ÷ 100)
It also shows the combined rate and tax amount (total minus base).
Planning only
Local rates vary by city and county; enter the rates that apply to your sale. This is not filing or legal advice.
Disclaimer: This calculator provides information only and is not financial, tax, or legal advice.