Disclaimer: This sales tax calculator is for general informational purposes only and is not tax advice. Tax rates and rules vary by location. Verify the correct rate for your area.
About this sales tax calculator
This free sales tax calculator adds tax to a price and shows you the tax amount and the final total. Enter the amount before tax and the tax rate, and the result updates instantly. You can switch the currency to dollars, euros, pounds, or rupees, which makes it useful for shopping, invoicing, budgeting, and quick checkout estimates anywhere in the world.
Sales tax and VAT rates vary widely by country, state, and city, so enter the rate that applies to you. The tool works for any percentage, so you can also use it for VAT, GST, or service charges. Calculations happen privately in your browser.
How to use it
Type the amount, enter the tax rate percent, and read the tax and total. Change the currency to match where you are.
How the sales tax calculator works
It multiplies the amount by the tax rate to get the tax, then adds it to the amount for the total:
tax = amount × (rate% ÷ 100)
total = amount + tax
Example
$100 at an 8.5% rate: tax $8.50, total $108.50.
Key features
Tax amount and final total
Works for any rate (sales tax, VAT, GST)
Choose your currency
Instant and free
When to use it
Estimating checkout totals
Adding tax to an invoice or quote
Budgeting a purchase
Comparing prices across tax rates
Frequently asked questions
How is sales tax calculated?
Sales tax is the price multiplied by the tax rate percentage. This tool adds it to the price and shows you both the tax and the final total.
Can I use a different currency?
Yes. Choose your currency from the menu and the results display in dollars, euros, pounds, or rupees.
What tax rate should I use?
Enter the rate that applies where you are, since sales tax and VAT rates differ by country, state, and city.
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