Contact
Email is the fastest way to reach me. Please include the calculator URL and the inputs you used if you're reporting a math error or unexpected result — it saves a round-trip.
What to write about
- Math errors or formula bugs.Send the calculator URL, your inputs, and what result you expected vs. what the calculator returned. I'll verify, patch if needed, and reply with the fix.
- Calculator requests.If there's a specific US finance question you'd like a calculator for — send the search phrase you'd use and any reference sources you trust.
- Typo or clarity issues. Short email with the page URL and the confusing bit is plenty.
- Press, partnerships, guest posts.I don't publish sponsored content, guest posts, or affiliate-heavy pieces. Save us both time.
Response time
I'm a solo operator in Europe, and I check email once a day most days. Expect a reply within 1–3 business days. Math-error reports get triaged same-day when possible.
Who runs this
honestcalculator is built and maintained by Teodor-Cristian Lutoiu. More about the site and its principles on the About page.