Contact us
Spotted an outdated rate, want a calculator for your state, or have a question about the site? We read every message.
We usually reply within two business days. Reports of incorrect rates are handled first.
Reporting a wrong or outdated rate
Accuracy is the whole point of this site, so error reports are the most useful messages we get. To help us fix it fast, please include:
- The page address (for example, the Arkansas calculator)
- The numbers you entered and the result you saw
- What you expected, or what the state office actually charged
- A link to the official source, if you have one (state DMV, revenue department or county clerk)
We confirm every correction against a primary source before changing a calculator. Our editorial policy explains how corrections work.
Requesting a state or county calculator
Tell us your state and, if it matters, your county, plus what you're trying to work out: sales tax on a purchase, registration renewal, property tax or something else. Requests help us decide which calculators to build next.
What we can't help with
We're an independent website, not a government office. We can't look up your personal tax bill, registration status or title, take payments, or give advice on your individual tax situation. For those, contact your state DMV, county clerk or treasurer, or a tax professional.
Business and partnership enquiries
For advertising, partnerships or press, email the same address with "Business" in the subject line.