Contact Us

Have a question, found an error, or want to suggest a new calculator? We’d like to hear from you.

Email us at: irondeficitcalc at gmail dot com

We aim to respond within 2–3 business days.

Before reaching out, a few things that help us help you faster:

Reporting a calculation issue? Include the exact values you entered and the result you received, so we can check the math.
Asking about your own results? We’re not able to give medical advice — that’s a conversation for a qualified healthcare professional.

Want to know more about how our calculators are built and the formulas behind them? Visit our About page.

On privacy: true to how we built every calculator on this site — no sign-up, no data stored. Emails sent to us are used only to reply to your message and are never shared with third parties.