Sales Tax Calculator
Calculate sales tax and final price instantly.
How to Do It Manually
Multiply the purchase price by the tax rate (as a decimal) and add to the original price.
Total = Price × (1 + Tax Rate ÷ 100)
- Divide the tax rate by 100 (e.g. 8.5% → 0.085).
- Multiply the price by the tax rate to get tax amount.
- Add the tax amount to the original price for the final total.
Frequently Asked Questions
How do I find the pre-tax price from a total?
Pre-tax Price = Total ÷ (1 + Tax Rate ÷ 100).
What states have no sales tax?
Oregon, Montana, New Hampshire, Delaware, and Alaska have no statewide sales tax (as of 2024).