Sales Tax Calculator
Add Sales Tax
$
%
Reverse Sales Tax
$
%
Formula
Tax = Price × Rate | Pre-tax = Total / (1 + Rate)
Frequently Asked Questions
How do I calculate sales tax?
Sales tax = Price × Tax Rate. For a $49.99 item at 8.25%: $49.99 × 0.0825 = $4.12 tax, total = $54.11. To find pre-tax price from total: Pre-tax = Total / (1 + Rate).
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