Compare · One Rep Max Calculator
Two independent scenarios side by side.
Scenario A
One rep max
Estimated 1RM
213.8 lb
Average of 3 formulas
Epley
215.8 lb
W × (1 + reps/30)
Brzycki
208.1 lb
W × 36 ÷ (37 − reps)
Lombardi
217.3 lb
W × reps^0.10
Training percentages
150 · 171 · 192
70% / 80% / 90% of 1RM
Scenario B
One rep max
Estimated 1RM
213.8 lb
Average of 3 formulas
Epley
215.8 lb
W × (1 + reps/30)
Brzycki
208.1 lb
W × 36 ÷ (37 − reps)
Lombardi
217.3 lb
W × reps^0.10
Training percentages
150 · 171 · 192
70% / 80% / 90% of 1RM