Sales Tax Calculator
Calculate sales tax with our free sales tax calculator. This sales tax calculator helps you determine the total price including tax or find the pre-tax price from a total. Use our sales tax calculator for accurate tax calculations with state-specific rates.
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Calculate total price from pre-tax price and sales tax rate
State rates shown are base rates. Local rates may apply.
About Sales Tax
Sales tax rates vary by state and locality. The rates shown are state-level base rates. Many localities add additional sales tax, so the actual rate may be higher. Always verify the exact rate for your specific location.
Tax Breakdown
Quick Comparison
Formula
What is a Sales Tax Calculator?
A sales tax calculator is a tool that helps you calculate the sales tax on purchases and determine the total cost. This sales tax calculator can work in two modes: calculate the total price from a pre-tax amount, or find the pre-tax price from a total.
Our sales tax calculator includes current state sales tax rates for all 50 states, making it easy to calculate accurate sales tax for any purchase. The sales tax calculator automatically computes both the tax amount and the final total.
How Sales Tax Works
Sales tax is a consumption tax imposed by state and local governments on the sale of goods and services. The tax is calculated as a percentage of the purchase price and added to the total amount you pay.
Sales tax rates vary by state, and many localities add additional taxes. For example, California has a base state rate of 7.25%, but some areas have total rates exceeding 10% when local taxes are included.
States With No Sales Tax
Five U.S. states have no state-level sales tax:
- •Alaska - No state sales tax (local taxes may apply)
- •Delaware - No sales tax
- •Montana - No state sales tax (some resort areas have local tax)
- •New Hampshire - No sales tax
- •Oregon - No sales tax
Using the Sales Tax Calculator
Our sales tax calculator offers two calculation modes:
Select your state from the dropdown to automatically use the correct state sales tax rate, or enter a custom rate if you know your specific local rate.
Highest and Lowest State Sales Tax Rates
Highest Rates
Lowest Rates (excluding zero)
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Disclaimer: This calculator is for educational and illustrative purposes only. Results are estimates and may not reflect actual outcomes. Investing Point does not guarantee the accuracy of these calculations and is not responsible for any decisions made based on this tool.