Smash PRs. Cut fluff. Use science-backed tools built by lifters, for lifters.
A revolutionary strength classification tool that fairly evaluates your performance across different lifts, body types, ages, and sexes using our custom ELO-like algorithm.
Normalizes performance across bodyweight, age, sex, and lift type for truly comparable strength ratings.
Uses validated formulas and real-world performance data to calculate your strength classification.
No account required. All calculations run securely server-side and nothing is stored.
From beginner to world-class, discover where you stand on the strength spectrum
Input your personal info and lift data across 9 major compound movements
Our algorithm calculates your 1RM, adjusts for demographics, and compares to global data
Receive your Atlas Rating and detailed breakdown of each lift classification
Global strength percentile ranking
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