Sales Tax Calculator
The Sales Tax Calculator computes the sales tax on a purchase at your local rate and shows the final total you pay, useful for budgeting big purchases and comparing prices across regions.
What this means
Sales tax is a percentage added to many purchases at checkout. Because rates vary by state and city, knowing your local rate helps you plan the real cost of a purchase.
How we calculate it
Formula
Tax = price × tax rate; total = price + tax.Worked example
A $1,200 laptop at a 7.25% tax rate:
- 1Tax = 1,200 × 7.25% = $87
- 2Total = $1,287
Important assumptions
- The rate includes state and local taxes as applicable.
- Some items like groceries may be exempt in your area.
Frequently asked questions
Why does the tax rate vary by location?
States set a base rate, and cities and counties can add their own on top. That's why the same item costs differently across the country.
How can I find my exact rate?
Check your local tax authority's website or use a rate lookup tool for your zip code. Rates change, so verify before large purchases.