Terms of Service

Last updated: 2026. By using FitCalc you agree to the following.

1. Use of the calculators

The calculators are provided "as is" and free of charge. You may use them for any lawful personal purpose. You may not attempt to disrupt the service, scrape it at scale, or misrepresent its output as professional advice to others.

2. No medical or professional advice

FitCalc provides general, educational information only. Nothing on this site is medical advice, diagnosis or treatment, and nothing here creates a doctor-patient or professional relationship. Always consult a qualified health professional about your own situation. See our disclaimer for details.

3. No warranty

We take care to use established formulas and to explain their limits, but we make no guarantee that any result is accurate or suitable for your circumstances. You are responsible for verifying any output before relying on it.

4. Limitation of liability

To the fullest extent permitted by law, FitCalc is not liable for any loss or damage arising from the use of, or inability to use, these calculators or the information on this site.

5. Intellectual property

The content, design and code of this site are protected by copyright. You may not republish substantial portions without permission. Foundational formulas and public health guidance are, of course, in the public domain.

6. Changes

We may update these terms at any time. Continued use after changes constitutes acceptance.