Sales Tax Calculator
Calculate the total price of a purchase after adding your local combined sales tax rate.
Total Amount
$107.25
- Tax amount
- $7.25
Assumptions
- You supply the combined state + local rate — no per-location rate table is embedded
How it's calculated
Total = amount + (amount × tax rate).
Worked example
A $100 purchase at a 7.25% combined rate has a total of $107.25.
Frequently asked questions
Why don't I just pick my state?
Sales tax varies by state, county and city, and rates change over time — a hardcoded table would risk showing stale figures as fact. Enter your local combined rate directly.