Weightlifting Calculators
Powerlifting and weightlifting calculators for gym athletes and coaches. Calculate one-rep max, Wilks score, bench press pyramid, and 5/3/1 Wendler training percentages.
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5/3/1 Calculator
Calculate your 5/3/1 Wendler program training maxes and weekly sets.
Bench Press Calculator
Estimate your bench press one rep max from any weight and rep count.
Bench Press Pyramid Calculator
Build a pyramid training program for bench press with progressive overload.
One Rep Max Calculator
Estimate your 1RM for any lift using Epley, Brzycki, or Lander formulas.
Wilks Calculator
Calculate Wilks score to compare powerlifting total across bodyweight classes.
Frequently asked questions
A:The Epley and Brzycki formulas are most accurate for 3–6 rep sets. Beyond 10 reps, estimates become less reliable.
A:The Wilks score normalizes powerlifting total relative to body weight, allowing fair comparison across weight classes and genders.