Streetlifting One Rep Max Calculator

Calculate your one rep max for weighted calisthenics and strength exercises

📱 1RM Calculator Offline App 💪 Workout Tracker App
Your Estimated 1RM
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kg added weight
Formula: Brzycki

What is a One Rep Max (1RM)?

Your one rep max (1RM) is the maximum weight you can lift for a single rep.

Understanding the Formulas

Brzycki: Popular and accurate for moderate rep ranges (1-10 reps). Great for general strength training.

Epley: Classic formula widely used in powerlifting and strength sports.

Muscle-up Formula: Specialized calculation designed specifically for muscle-up movements and explosive calisthenics.

Street Lifter: Averages all formulas for a balanced estimate across different rep ranges.

📱 1RM Calculator App 💪 Workout Tracker App