Contact Us

Have a question, spotted an error, or want to suggest a new calculator? We read every message and genuinely appreciate feedback that helps us improve.

Email us

The best way to reach us is by email:

We typically respond within 1–2 business days.

What we can help with

• Formula corrections:If you believe a calculator is using an outdated or incorrect formula, let us know — we take accuracy seriously.
• New calculator suggestions:Is there a health or fitness calculation you'd like to see? We're always looking to add useful tools.
• Bug reports:Something not working as expected? Tell us which calculator and what happened.
• General questions:Questions about our methodology, data sources, or how a result was calculated.

A note on medical advice

We are not medical professionals and cannot answer questions about personal health conditions, diagnoses, or treatments. For medical concerns, please consult a qualified healthcare provider. Our calculators are educational tools — not substitutes for professional medical advice.