Sales Tax Calculator
Calculate sales tax amount and total price including tax. Supports different tax rates.
Sales Tax Calculator
Calculate sales tax amount and total price including tax. Supports different tax rates.
Input
Results
About This Calculator
Calculate tax amount and final price from a pre-tax or after-tax value using the applicable tax rate.
Formula
Tax = base * rate; total = base + tax; base from total = total / (1 + rate)
Example
If base is 120 and tax rate is 8.25%, tax is 9.90 and total is 129.90.
When to Use
- Retail pricing checks
- Invoice validation
- Budget planning with taxes
Best Practices
- Use local jurisdiction rate
- Separate state and local taxes if needed
- Keep consistent rounding rules on receipts
FAQ
Can I remove tax from gross total?
Yes. Divide total by (1 + tax rate).
Why does receipt tax differ slightly?
Merchants may round per item or per invoice.
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