
Free
About
Maximal Strength is a free tool from Maximal Performance that calculates your one-rep max and shows you exactly where you rank against strength standards across the main barbell lifts.
Enter your weight and reps for any lift and get your estimated 1RM instantly. Then check the Strength Standards tab to see how you compare against Beginner, Novice, Intermediate, Advanced, and Elite benchmarks relative to your bodyweight.
1RM CALCULATOR
- Calculates estimated one-rep max using the Epley formula
- Covers Squat, Bench Press, Deadlift, Overhead Press, and Barbell Row
- Toggle between kg and lbs
- Results update instantly as you type
STRENGTH STANDARDS
- See your lift-to-bodyweight ratio
- Ranked across 5 levels: Beginner, Novice, Intermediate, Advanced, Elite
- Shows the gap to your next level in kg/lb
- Based on widely referenced bodyweight multiplier standards
Built for anyone who trains hard and wants real data on where they stand and what they need to hit next.
All calculations are estimates based on the Epley formula. Actual 1RM may vary based on fatigue, technique, and individual factors.
Want a program to move up through the standards? Visit maximalperformance.nz
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What's New in Maximal Strength
1.01
August 11, 2026
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