Tax & Discounts
Sales Tax Calculator
Add US-style sales tax (state + local) to a price, or pull it out of a tax-inclusive amount.
Result
Combined rate
8%
Net amount
$100.00
State tax
$6.00
Local tax
$2.00
Total tax
$8.00
Gross amount
$108.00
How it's calculated
State and local rates are added into one combined rate. Adding: tax = amount × combined rate. Removing: net = amount ÷ (1 + combined rate), and tax is the difference.