New tools are added regularly. Bookmark this page and check back often.
Practical calculators designed to help you build strength, improve recovery, and make confident decisions throughout your fitness journey.
Whether you're walking into a gym for the first time or training for years to come, these free tools remove guesswork so you can focus on building lifelong capability.
Current tools include:
• Starting Weight Calculator
• Sleep Timing Calculator
• Hydration Calculator
• Protein Calculator
• Macro Calculator
• Adonis Ratio Calculator
• Tabata Timer (no ads)
• One Rep Max Calculator
• Walking Calculator
• Heart Rate Zones
• Strength Standards
• VO₂ Max Estimate
• Recovery Score
• Grip Strength Standards
• Rucking Calculator
• Pack Weight Calculator
• Training Volume Calculator
More calculators and resources are added regularly.