Welcome to StrengthScore

Smash PRs. Cut fluff. Use science-backed tools built by lifters, for lifters.

The Atlas Rating System

A revolutionary strength classification tool that fairly evaluates your performance across different lifts, body types, ages, and sexes using our custom ELO-like algorithm.

Fair & Accurate

Normalizes performance across bodyweight, age, sex, and lift type for truly comparable strength ratings.

Data-Driven

Uses validated formulas and real-world performance data to calculate your strength classification.

Privacy First

No account required. All calculations run securely server-side and nothing is stored.

Eight Strength Classifications

From beginner to world-class, discover where you stand on the strength spectrum

0
Atlas Rating
Advanced

Strength Tiers

Untrained(1000 AR)
Novice(1143 AR)
Intermediate(1286 AR)
Adept(1429 AR)
Advanced(1571 AR)
Ascendant(1714 AR)
Grandmaster(1857 AR)
World-class(2000+ AR)

How It Works

1. Enter Your Lifts

Input your personal info and lift data across 9 major compound movements

2. AI Analysis

Our algorithm calculates your 1RM, adjusts for demographics, and compares to global data

3. Get Your Rating

Receive your Atlas Rating and detailed breakdown of each lift classification

Your Atlas Rating

Global strength percentile ranking

1,547
Atlas Rating
Advanced
Classification

Latest News & Insights

Stay updated with the latest strength training tips, research, and insights.

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