Sales Tax Calculator
Add or remove sales tax from a price. Instantly calculate tax amount and totals for any rate.
Sales tax
Calculation mode
Tax amount
$8.25
$100.00
Subtotal (before tax)
$108.25
Total with tax
What the tool does
Sales Tax Calculator adds or removes tax from a price so you can see tax amount and totals for any rate.
How to use it
- Enter the price and tax rate.
- Choose add tax or remove tax from a total.
- Copy the tax amount and final price.
Supported formats
- Currency amounts and tax rates (%)
Privacy & security
This tool runs entirely in your browser. Your data never leaves your device — nothing is uploaded to our servers.
FAQs
- Does this know my local rate?
- You enter the rate. Local sales tax can vary by city/county — confirm with an official source.
- Can I reverse out tax from a total?
- Yes. Use remove-tax mode to find the pre-tax amount from a tax-inclusive price.
- Are amounts stored?
- No.