Sales Tax Calculator
Calculate sales tax and total cost for any purchase
Find out the total cost of an item before you get to the register. This Sales Tax Calculator adds the tax percentage to your base price.
Calculator Inputs
$
%
Results
Enter values above to see your results
How It Works
We multiply your price by the tax rate to find the tax amount, then add it to the original price.
Tips & Best Practices
- •Sales tax rates vary by state, county, and city. US average is around 6-7%.
- •Use this to reverse-calculate: if you know the total, you can find the pre-tax price.
Frequently Asked Questions
How do I calculate tax?
Multiply the price by the tax rate (as a decimal). For 8% tax on $100: 100 * 0.08 = $8. Total = $108.
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