1rn Calculator
1RM Calculator Weight Lifted (lbs): Reps Performed: Calculation Formula: Epley FormulaBrzycki FormulaLander FormulaLombardi FormulaMayhew FormulaO’Conner FormulaWathan Formula Calculate Reset 1 Rep Max (1RM): 0 lbs 95% (1-2 reps): 0 lbs 90% (2-3 reps): 0 lbs 85% (4-5 reps): 0 lbs 80% (6-8 reps): 0 lbs 75% (8-10 reps): 0 lbs 70% (10-12 reps): 0 lbs … Read more