Strength Training

Fitness Calculators

Optimize your training with our suite of tools designed for strength athletes.

1RM Estimator

Calculate your one-rep max from reps.

Estimated 1RM

258 lbs
Epley 263 lbs
Brzycki 253 lbs
% 1RMWeightEst. Reps
100%258 lbs1
95%245 lbs2
90%232 lbs4
85%219 lbs6
80%206 lbs8
75%194 lbs10
70%181 lbs12
65%168 lbs15
60%155 lbs20