Shopping & Money
Sales Tax Calculator
Add sales tax to a price or remove tax from an inclusive total.
Your inputs
Adjust the values
Choose “Add tax” for a pre-tax price or “Remove tax” to find the subtotal inside a tax-inclusive total.
Tax-inclusive total
$108.25
About this tool
A straightforward sales tax calculator
Add sales tax to a price or remove tax from an inclusive total. Add mode multiplies the subtotal by the tax rate; reverse mode divides the inclusive total by one plus the tax rate.
Use the combined rate that applies to the purchase location; exemptions and product-specific rules are not inferred. Inputs are processed in your browser, and changing a value updates the result immediately.
How it works
Use the Sales Tax Calculator in three steps
- 1Enter your values
Choose whether to add or remove tax, then enter the amount and applicable rate.
- 2Check the setup
Choose the units or calculation mode that matches your situation.
- 3Use the result
See the pre-tax subtotal, tax amount, and tax-inclusive total.
Common questions
Sales Tax Calculator FAQ
How does the Sales Tax Calculator work?
Add mode multiplies the subtotal by the tax rate; reverse mode divides the inclusive total by one plus the tax rate.
What information do I need?
Choose whether to add or remove tax, then enter the amount and applicable rate.
How accurate is the result?
Use the combined rate that applies to the purchase location; exemptions and product-specific rules are not inferred.