Disclaimer

Last updated: OCT 15, 2026

Please read this disclaimer carefully before using the calculators or guides on One Rep Max Calculate (onerepmaxcalculate.com).

1. Not Medical or Professional Advice

Everything on this site is for general education and information. It is not medical advice, a diagnosis, or a personal exercise prescription, and it does not replace advice from a doctor, physiotherapist, or certified coach.

If you have an injury, heart or blood pressure concern, are pregnant, or have any condition that could affect training, speak with a qualified professional before starting or changing a program. Never ignore professional advice because of something you read here.

2. Lifting Carries Risk

Heavy lifting, and especially testing a true one-rep max, can cause injury. To train more safely:

  • Warm up thoroughly before heavy sets
  • Use a power rack or safety bars and secure your plates with collars
  • Train with a spotter for heavy squats and bench presses
  • Get coaching if you are new to barbell training
  • Stop if you feel sharp pain, dizziness, or unusual discomfort

You are fully responsible for your own safety and training choices.

3. Calculator Results Are Estimates

Our calculators predict your maximum using established formulas such as Epley, Brzycki, Lombardi, Mayhew, O’Conner, Wathan, and others. The numbers they produce are mathematical approximations, not measured lifts.

Your real max can differ because of technique, fatigue, sleep, nutrition, equipment, exercise variation, and even the time of day. Please keep these points in mind:

  • Estimates based on fewer reps (about 2–6) are usually more dependable than those from high-rep sets.
  • Different formulas give different answers. Comparing several can give you a realistic range.
  • If you need an official or verified max, for example for a meet, use a supervised testing session.

4. Individual Results Vary

Any chart, percentage, strength standard, or example on this site is a general reference, not a promise. Progress depends on age, experience, genetics, body weight, recovery, and many other factors, so your results may differ from what you see here.

5. Accuracy of Content

We try to keep our articles accurate and up to date, but exercise science changes and mistakes can happen. We do not guarantee that every page is complete, current, or error-free. If you notice a problem, please tell us at info@onerapmaxcalculate.com

6. External Links

Some pages link to third-party websites. We do not control or endorse their content, and we are not responsible for how they handle your data or the accuracy of their information.

7. Advertising Disclosure

Ads shown on this site come from third-party networks such as Google AdSense. We do not create or verify these ads, and their appearance does not mean we recommend the advertised product or service.

8. Affiliate Disclosure

Some links may be affiliate links. If you purchase through them, we may earn a small commission without any extra cost to you. This never changes our calculator results or editorial opinions.

9. Limitation of Liability

To the extent allowed by law, Muaz and One Rep Max Calculate are not responsible for any injury, loss, or damage resulting from the use of this site, its tools, or any linked content. See our Terms and Conditions for more details.

10. Contact

Questions about this disclaimer or a correction to report? Email info@onerapmaxcalculate.com.