Sales Tax Calculator
Calculate sales tax on any purchase. Enter the price and tax rate, or use reverse mode to find the pre-tax price from a total.
State Sales Tax Rates (Base Rate)
Frequently Asked Questions
How do I calculate sales tax?
Multiply the pre-tax price by the sales tax rate (as a decimal). For example, a $100 item with 8% tax: $100 x 0.08 = $8 tax, total = $108.
What states have no sales tax?
Five states have no state sales tax: Alaska, Delaware, Montana, New Hampshire, and Oregon. However, some localities in Alaska do collect sales tax.
What is reverse sales tax?
Reverse sales tax calculates the pre-tax price from a total that already includes tax. Divide the total by (1 + tax rate as decimal). For example, $108 total with 8% tax: $108 / 1.08 = $100 pre-tax.