Calculate total price with sales tax. Free tax calculator.
This sales tax tool lets you add or remove sales tax from any amount at any rate. It is designed for speed and accuracy, running entirely in your browser with no data sent to any server. Whether you are a student, professional, or simply need a quick answer, this calculator provides instant results with clear explanations. Enter a price and tax rate. The calculator shows the tax amount and total with tax. Use the reverse mode to find the pre-tax price from a tax-inclusive total by dividing by (1 + rate/100).
Enter a price and tax rate. The calculator shows the tax amount and total with tax. Use the reverse mode to find the pre-tax price from a tax-inclusive total by dividing by (1 + rate/100).
Shoppers calculate the total cost of purchases including local sales tax. Business owners determine the correct tax to charge customers. Accountants reconcile sales tax collected with amounts owed. Online sellers compute tax rates for different shipping destinations. Budget planners account for sales tax when estimating expenses.
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Yes, this Sales Tax calculator is completely free with no signup, no account creation, and no usage limits. All calculations run locally in your browser, so your data stays private and results appear instantly.
This calculator uses standard mathematical formulas and internationally recognized conversion factors. Results are displayed with up to six significant digits of precision. For most everyday uses, the results are more than accurate enough.
Yes, the calculator is fully responsive and works on smartphones, tablets, and desktop computers. The interface automatically adjusts to your screen size. Touch inputs and on-screen keyboards work seamlessly.
Once the page has loaded in your browser, the calculator works without an internet connection. All computation happens locally using JavaScript. Bookmark the page for quick access anytime.
This calculator uses standard, well-established formulas that are widely accepted in education, science, and professional practice. The specific formula is explained in the "How it works" section above.