Sales Tax Calculator
Calculate sales tax and total price
Calculator
How to Use
Calculate sales tax and totals
Enter price
Input the item price before tax
Enter tax rate
Input your local sales tax rate
View tax amount
See calculated tax and total
Reverse calculate
Find pre-tax price from tax-included total
Sales Tax Formula
Tax Amount = Price × Tax Rate Total = Price × (1 + Tax Rate) Pre-tax Price = Total / (1 + Tax Rate)
Sales tax is a percentage added to the purchase price. Rate varies by jurisdiction.
Frequently Asked Questions
Tax = Price × Tax Rate. For 8.25% tax on $50: $50 × 0.0825 = $4.13 tax. Total = $54.13. Tax rates vary by state/city. Some items (groceries, medicine) may be exempt or have reduced rates.
Pre-tax = Total / (1 + Tax Rate). If total is $54.13 with 8.25% tax: $54.13 / 1.0825 = $50. This extracts the tax that was included in a price.
Sales tax is added at point of sale (common in US). VAT (Value Added Tax) is added at each production stage but only the consumer pays (common in EU). VAT is typically included in displayed prices; sales tax is added at checkout.
Five states have no state sales tax: Alaska, Delaware, Montana, New Hampshire, Oregon. However, Alaska allows local sales taxes. Some states exempt certain items or have low rates on necessities.