Disclaimer

General Disclaimer

The information and tools provided by GymRec (“https://www.gymrec.com”) are for general informational and educational purposes only. Everything here is offered in good faith, but we make no representation or warranty of any kind, express or implied, as to the accuracy, adequacy, validity, reliability, or completeness of any information or result on the site.

Any use of the information or tools is entirely at your own risk. It is your responsibility to ensure the results meet your specific requirements and to verify them before acting.

Not Medical, Fitness, Nutrition, or Training Advice

GymRec’s calculators — the one-rep max (1RM) calculator, the barbell plate calculator, the training volume calculator, the rep-max percentage calculator, the protein & macro calculator, and the Wilks & relative strength calculator — produce general estimates. They do not constitute medical, fitness, nutrition, or training advice, and they are not a diagnosis, a prescription, or a coaching program. The figures they return are planning aids, not guarantees. Always consult a qualified physician before starting a new exercise program — especially if you have an injury, are pregnant, or have any heart, blood-pressure, or other health condition — a certified strength coach for lifting technique and loading, and a registered dietitian for nutrition.

Estimates From Standard Formulas

One-rep max figures are estimates from standard equations such as the Epley and Brzycki formulas, which disagree with each other and grow less reliable the further you get from a true single. Wilks scores use the published Wilks coefficient to compare strength relative to bodyweight. Protein and macro targets come from common bodyweight-based splits, not a personalized nutrition plan. All of these are approximations: individual results vary with training age, technique, leverages, recovery, sleep, and dozens of other factors the tools cannot see. Treat every output as a starting point to test in the gym, not a measured fact.

You Supply the Weights and Reps

A result is only as accurate as the numbers you enter. Bodyweight, lift load, rep count, set count, target weight, bar weight, and available plates all come from you, and a mistyped figure or the wrong unit (kilograms versus pounds) is the most common cause of a surprising answer. It is your responsibility to confirm the correct, current values for your own training before relying on a result.

Why Your Real Numbers May Differ

What actually happens under the bar can differ from an estimate because of:

• Rep range: max-estimate formulas are most accurate at low reps and drift higher or lower as the rep count climbs.
• Lift and technique: the same formula behaves differently for a squat, bench, or deadlift, and your leverages and form change the result.
• Readiness: sleep, fatigue, nutrition, and stress move your real max day to day, independent of any calculation.
• Equipment: bar weight, plate calibration, collars, and rounding to the plates you actually own affect loaded weight.

Lifting Carries Injury Risk

Training with heavy loads carries a real risk of injury. Do not treat an estimated max or a percentage as permission to attempt a weight you are not prepared for. Always warm up thoroughly, use proper form, and set up safeties — a rack’s safety pins, spotters, or bailout options — before attempting a heavy or near-maximal lift. If a movement causes pain, stop and seek advice from a qualified professional.

No Warranty

GymRec expressly disclaims all warranties, whether express, implied, statutory, or otherwise, including implied warranties of merchantability, fitness for a particular purpose, and non-infringement. We do not warrant that our tools, calculations, or information are error-free or complete, or that the website will be available without interruption.

Limitation of Liability

To the maximum extent permitted by law, GymRec shall not be liable for any direct, indirect, incidental, special, consequential, or exemplary damages — including injury, lost progress, or any harm to your health — arising out of or related to your use of our tools and services.

External Links & Advertising

The site may link to third-party websites and displays advertisements from networks including Google AdSense. We do not investigate, monitor, or endorse third-party content, and the presence of a link or ad is not an endorsement of any product or service.

Changes to This Disclaimer

We may modify this disclaimer at any time. Changes are posted here with an updated revision date, and your continued use of the site indicates acceptance of the changes.

Contact Us

If you have questions about this Disclaimer, please visit our Contact page or email us at support@gymrec.com.