Tax Calculator
Compute tax added to a price, or tax already included in a price. Enter your values, click Calculate, and get the full result with its breakdown — everything is processed on your device, nothing is sent to a server.
All calculations run in your browser. Your data is never sent to our servers.
Example
Example Input
100 + 10% tax
Example Output
110.00 (tax 10.00)
How to Use
- 1Fill in each input field with the values you want to compute.
- 2If there are choices (units, mode, operation), pick what you need.
- 3Click the Calculate button (or press Ctrl+Enter).
- 4The main result and its breakdown appear in the Result area. Click Copy to copy it.
About the Tax Calculator
The Tax Calculator works two ways: adding tax to a subtotal, or extracting the tax from a tax-inclusive price. It shows subtotal, tax, and total. Suitable for VAT/GST/sales tax.
Enter your own tax rate — no rate is assumed.
FAQ
Is this Tax Calculator accurate?
Yes. It uses standard formulas and runs directly in your browser at full JavaScript precision (plus BigInt/decimal.js for large numbers where needed).
Is my data sent to a server?
No. All calculations happen entirely on your device. No values are sent to or stored on our servers.