US Sales Tax Calculator

Calculate sales tax added to a price or reverse-calculate pre-tax amounts using state & custom tax rates.

Pre-Tax Net Price

Total Price (Inc. Tax)

📖 Detailed Guide & Use Cases

Calculate total checkout cost with US state and local sales tax rates. Supports forward tax calculation (adding tax to price) and reverse sales tax calculation (extracting pre-tax price from total paid).

❓ Frequently Asked Questions (FAQ)

Alaska, Delaware, Montana, New Hampshire, and Oregon have no statewide sales tax.
Pre-tax Price = `Total Price / (1 + Tax Rate)`.