One Rep Max1RM CalculatorEpley FormulaStrengthTraining LoadsFree ToolOne Rep Max1RM CalculatorEpley FormulaStrengthTraining LoadsFree Tool

One Rep
Max

Epley · Brzycki · Lombardi · Training Load Table

Your Lift

Estimated 1 Rep Max
Epley
Brzycki
Lombardi

Percentage Training Zones

% of 1RMRepsTraining Goal
90-100%1-3Max Strength
80-89%3-5Strength
70-79%6-8Hypertrophy (heavy)
60-69%8-12Hypertrophy (moderate)
50-59%12-20Endurance
<50%20+Warm-up / Rehab

Strength Standards (Male, kg)

ExerciseBeginnerIntermediateAdvancedElite
Bench Press5075100140+
Squat70100140180+
Deadlift80120170220+
OHP305070100+

Based on ~80kg/175lb male. Scale proportionally to body weight. Female standards typically 55-70% of male.

⚕️ 1RM estimates are most accurate between 2-10 reps. Never attempt a true 1RM without a spotter and proper warm-up. If you have injuries or are new to lifting, start with higher rep ranges.