Use this MyFitnessCalculators calculator to accurately calculate your personalized one rep max (1RM) in your desired powerlifting or general exercise movement. Use this calculator to determine your peak strength level and compare with your friends. This calculator works for all three lifts (bench, squat, deadlift).
Once you are finished calculating your one repetition max (1RM), find out your strength level compared to others using our state-of-the-art Weightlifting Strength Performance Standards Calculator.
Weight Lifted (lb/kg):
Number of Repetitions:
Note: If the calculator is not working, check that your input is only numerical.