Athlete Body OS
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Free Tools

Your Performance Dashboard

Free tools built on pro athlete science. Test your performance, find your gaps, and build your system.

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Athlete Score Calculator

Your overall performance score across 4 pillars. Score out of 100.

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Performance Age™ Calculator

Find out if your body is younger or older than your real age.

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Athlete Readiness™ Check

Should you train hard today or recover? Get your daily readiness score.

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Protein Calculator

How much protein do you actually need? Personalised for your stats.

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Sleep Debt Calculator

Calculate your weekly sleep debt and its performance impact.

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Energy Calculator

Score your daily energy across 5 factors. Find the leak.

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New

Energy Forecast™

Predict your energy levels for the week ahead.

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Want a full system, not just tools?

The 30-Day Reset takes everything these tools reveal and builds it into a daily operating system — delivered to your phone every morning.

Take the 30-Day Reset

Athlete Body OS™

The Performance Operating System for Busy Men.

  • Assessment
  • 30-Day Reset
  • Monthly Membership
  • Blog
  • Athlete Score
  • Protein Calculator
  • Dashboard
  • FAQ

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