One Rep Max Calculator Free
Free One Rep Max (1RM) Calculator. Calculate max lift for squats, bench press, and deadlifts using Epley, Brzycki, Lander, and Lombardi equations offline.
Personal Lift Input
Weight Unit
Weight Lifted100 kg
Repetitions5 Reps
Receipt Customization
Weight Lifted100 kg
Reps Logged5 reps
Estimated 1RM116.7 kg
Active Formulaepley
1 Rep Max97% 1RM
Absolute Limit Strength112.9 kg
2 Reps Max94% 1RM
Maximum Power & Strength109.4 kg
3 Reps Max91% 1RM
Maximum Power & Strength106.1 kg
4 Reps Max88% 1RM
Functional Strength Base103 kg
5 Reps Max86% 1RM
Functional Strength Base100 kg
6 Reps Max83% 1RM
Myofibrillar Hypertrophy97.3 kg
7 Reps Max81% 1RM
Myofibrillar Hypertrophy94.6 kg
8 Reps Max79% 1RM
Myofibrillar Hypertrophy92.1 kg
9 Reps Max77% 1RM
General Strength & Hypertrophy89.8 kg
10 Reps Max75% 1RM
General Strength & Hypertrophy87.5 kg
11 Reps Max73% 1RM
Sarcoplasmic Hypertrophy & Endurance85.4 kg
12 Reps Max71% 1RM
Sarcoplasmic Hypertrophy & Endurance83.4 kg