Everyday Converters
Sales Tax Calculator
Calculate sales tax, pre-tax price, and total checkout cost.
Result
--What does this calculator do?
Calculate sales tax, pre-tax price, and total checkout cost.
Formula
Total = discounted price × (1 + tax rate).
Example calculation
A $100 item with 7.5% tax totals $107.50 before any discount.
Common use cases
- Checkout estimates
- Budget planning
- Discount plus tax comparisons
Limitations and accuracy notes
This calculator is for quick planning and education. Results depend on your inputs and may not include every real-world rule, fee, tax, health factor, or local requirement.
Sales Tax Calculator FAQ
Is this calculator free?
Yes. It gives quick estimates directly in your browser.
Should I use this as professional advice?
No. Use it as a planning aid and confirm important decisions with a qualified professional.