Enter the pre-tax price and the local tax rate - the tax amount and total update as you type, with no upload and no data sent anywhere.
Sales Tax Calculator
Enter the pre-tax price and the local tax rate - the tax amount and total update as you type, with no upload and no data sent anywhere.
Works for any currency and any rate. Useful for checking a receipt at the store, estimating the real cost of an online purchase, or verifying a quoted total before checkout.
The calculation runs locally in the browser - no account, no install, no server round-trip.
Frequently Asked Questions
What does this Sales Tax Calculator compute?
You enter the pre-tax price in dollars and the sales tax rate as a percentage. The tool instantly shows the tax amount in dollars and the total price (pre-tax plus tax). There are no other modes - it is a single-purpose sales tax tool.
Does the tool send my price or tax rate anywhere?
No. The entire calculation runs in your browser using plain JavaScript. Nothing is uploaded or transmitted to any server, analytics service, or third party.
Where do I find my local sales tax rate?
US rates vary by state and city. Your state revenue department's website lists the base state rate. Combined rates (state + county + city) are published by the Sales Tax Institute and the Tax Foundation. For example, California's base rate is 7.25% but many cities add 1 - 3% on top.
Can I use this for multiple items?
The calculator handles one pre-tax price at a time. For a shopping cart with multiple items, add up all the pre-tax prices first and enter the subtotal as the single price - the result is the same.