Contact StateCalcUSA
The short answer: The only way to reach StateCalcUSA is by email. There is no phone support. Use the email address below for corrections, questions about a tool, or feedback about the site.
Email address to be confirmed before launch.
There is no phone support, and no other contact details are published. Please do not send sensitive personal information — such as Social Security numbers, account numbers, or financial documents — by email. Calculator inputs never need to be shared: every tool runs in your browser, and your entries stay on your device.
What to Include
To help with a faster and more useful reply, include:
- The page address (URL) your message is about.
- For a figure correction: the figure that looks wrong and the official source you checked.
- For a tool problem: what you entered, what result you expected, and what result you got.
Send a Message
This form opens your own email program with your message addressed to the email above. Nothing is submitted to this website, and no information is stored here.
Before You Write
Common questions — including whether the tools are free, whether your inputs leave your device, and whether results count as advice — are answered in the frequently asked questions on the homepage. Background on how figures are sourced and verified is on the About page.
This site is for information only. It is not legal, tax, or financial advice. Email messages are not a substitute for advice from a qualified professional about your own situation.