Sales Tax Calculator
Calculate sales tax, pre-tax price, or post-tax total. Add or remove tax bidirectionally.
Result
—
Enter price and tax rate, then click Calculate.
To add tax, multiply the pre-tax amount by the rate. To remove tax from a total, divide by (1 + rate) to find the pre-tax portion.
Add tax to a price, remove tax from a total, or calculate tax only.
Pre-tax price or tax-inclusive total depending on mode.
Enter combined state + local rate as a single percentage.
Multiply for multiple identical items.
Add-tax mode on a $100 purchase with 8.25% combined rate.
Sales tax is $8.25; total price is $108.25.
Taxing an already-taxed price
Fix: Switch to remove-tax mode when starting from a total.
Using state rate only
Fix: Include county and city tax where applicable.
Calculate sales tax, pre-tax price, or post-tax total. Add or remove tax bidirectionally.
Result
—
Enter price and tax rate, then click Calculate.