One Repetition Max (1RM) Calculator

Health, Fitness, Well-Being

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.

One Repetition Max (1RM) Calculator | MyFitness Calculators


Note: If the calculator is not working, check that your input is only numerical.

See how you stack up against the pros! Calculate your Wilks Score using our MyFitness Wilks Score Calculator or the new IPF Points Powerlifting Score using our MyFitness IPF Points Score Calculator.

If you are looking to calculate your Sinclair Score (Olympic Weightlifting), please visit our MyFitness Sinclair Score Calculator.

If you would like to use other calculators or peruse the site, navigate to the MyFitnessCalculators home page for more.