Body Composition & Training Calculators

Measure what matters for your fitness journey. This suite of calculators helps you track key body composition metrics, estimate strength levels, and plan your protein intake to support your training goals. Use these tools to gain valuable insights into your progress.

Disclaimer: These tools provide estimates for informational purposes only and are not a substitute for professional medical or fitness advice. Consult with a qualified professional before making changes to your diet or exercise routine.

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FFMI Calculator

Calculate your Fat-Free Mass Index (FFMI) to understand your muscularity relative to your height.

Body Fat Percentage Calculator

Estimate your body fat percentage using the U.S. Navy method or a BMI-based formula for a quick overview.

RPE Calculator

Use the Rate of Perceived Exertion (RPE) to estimate your one-rep max (1RM) and plan your lifting weights.

Body Metrics Reality Check

A body-positive tool to compare your personal stats to population averages in a respectful, non-judgmental way.

Protein Calculator Australia

Calculate your daily protein needs based on Australian NHMRC guidelines, activity level, and personal goals.