Terms and Conditions

Last updated: 12/27/2025

Agreement to Terms

By accessing and using the 1RM Calculator, you accept and agree to be bound by the terms and provisions of this agreement. If you do not agree to these terms, please do not use our service.

Use of Service

The 1RM Calculator is provided as a free educational tool for fitness and strength training purposes. You may use this calculator for personal, non-commercial use only.

Accuracy and Limitations

While our calculator uses scientifically validated formulas, all results are estimates. Actual one-rep max values can vary based on numerous factors including:

  • Individual training experience and technique
  • Current fatigue levels and recovery status
  • Exercise selection and equipment variations
  • Time of day and nutritional status

Health and Safety

You acknowledge and agree that:

  • Strength training involves inherent risks including but not limited to muscle strains, joint injuries, and cardiovascular stress
  • You should consult with a qualified healthcare provider before beginning any strength training program
  • You are solely responsible for using appropriate weights, proper form, and safety equipment
  • Maximum lift attempts should only be performed with qualified spotters

Liability Disclaimer

TO THE FULLEST EXTENT PERMITTED BY LAW, 1RM CALCULATOR DISCLAIMS ALL LIABILITY FOR ANY INJURY, DAMAGE, OR LOSS RESULTING FROM YOUR USE OF THIS CALCULATOR OR ANY TRAINING PROGRAM BASED ON ITS RESULTS. USE THIS SERVICE AT YOUR OWN RISK.

Intellectual Property

The calculator design, code, and content are protected by copyright and other intellectual property laws. You may not copy, modify, distribute, or create derivative works without express permission.

Service Availability

We strive to maintain continuous service availability but do not guarantee uninterrupted access. We reserve the right to modify or discontinue the service at any time without notice.

Prohibited Uses

You may not:

  • Use the calculator for commercial purposes without permission
  • Attempt to reverse engineer, decompile, or hack the service
  • Use automated tools to access the calculator
  • Misrepresent the calculator's capabilities or accuracy

Modifications to Terms

We reserve the right to modify these terms at any time. Continued use of the calculator after changes constitutes acceptance of the modified terms.

Governing Law

These terms shall be governed by and construed in accordance with applicable laws, without regard to conflict of law principles.

Contact

For questions about these Terms and Conditions, please contact us through our support channels.