1RM Calculator

Calculate your one-rep max with precision using scientifically proven formulas

4 Proven Formulas Real-time Results Training Percentages
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Formulas
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Accurate
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Privacy Policy

Your privacy is important to us. Learn how we protect your information.

Last updated: January 2025

Introduction

1RM Calculator ("we," "our," or "us") is committed to protecting your privacy. This Privacy Policy explains how we collect, use, disclose, and safeguard your information when you use our 1RM Calculator website and services.

Information We Collect

Information You Provide

  • • Contact form submissions (name, email, message)
  • • Newsletter subscription email addresses
  • • Feedback and support requests

Calculator Data

Important: All calculator inputs (weights, reps, exercises) are processed locally in your browser and are NOT stored on our servers or transmitted to us.

Automatically Collected Information

  • • IP address and general location
  • • Browser type and version
  • • Device information
  • • Pages visited and time spent
  • • Referring website

How We Use Your Information

Service Provision

  • • Provide and maintain our calculator service
  • • Respond to your inquiries and support requests
  • • Send newsletters (only if you subscribe)

Analytics and Improvement

  • • Understand how users interact with our site
  • • Improve our calculator and user experience
  • • Monitor site performance and security

Data Storage and Security

Local Processing

Your calculator data (weights, reps, exercises) is processed entirely in your browser using JavaScript. This information never leaves your device and is not stored anywhere.

Security Measures

  • • HTTPS encryption for all data transmission
  • • Regular security updates and monitoring
  • • Limited data collection practices
  • • Secure hosting infrastructure

Cookies and Tracking

Essential Cookies

We use minimal essential cookies to ensure the website functions properly and to remember your preferences (like unit selection).

Analytics

We may use privacy-focused analytics tools to understand site usage. These tools collect anonymous, aggregated data only.

Third-Party Services

We may use third-party services for:

  • • Website hosting and content delivery
  • • Analytics and performance monitoring
  • • Email newsletter delivery

These services have their own privacy policies and may collect information independently.

Your Rights

Access and Control

  • • Request information about data we have collected
  • • Update or correct your information
  • • Request deletion of your personal data
  • • Unsubscribe from newsletters at any time

Browser Controls

You can control cookies and tracking through your browser settings. Note that disabling cookies may affect site functionality.

Data Retention

  • • Contact form data: Retained for up to 2 years for support purposes
  • • Newsletter subscriptions: Until you unsubscribe
  • • Analytics data: Aggregated and anonymized, retained for up to 26 months
  • • Calculator data: Not retained (processed locally only)

Children's Privacy

Our service is not directed to children under 13. We do not knowingly collect personal information from children under 13. If you become aware that a child has provided us with personal information, please contact us.

Changes to This Privacy Policy

We may update this Privacy Policy from time to time. We will notify you of any changes by posting the new Privacy Policy on this page and updating the "Last updated" date.

Contact Us

If you have questions about this Privacy Policy or our privacy practices, please contact us: