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Calculate your one-rep max (1RM) for any lift. Your one-rep max is the max weight you can lift for a single repetition for a given exercise.
- Standards
Strength standard tables of one-rep max performance against...
- Standards
Step 1: Understanding the Purpose. The 1 Repetition Maximum (1RM) calculator is a tool designed to estimate the maximum weight you can lift for one repetition. This can help you assess your strength and tailor your workouts effectively. The calculator utilizes different formulas to provide a comprehensive analysis.
This free calculator estimates a person's one-rep max (1RM) based on the number of repetitions they can perform with a given weight.
Use our 1RM calculator to estimate how much weight you can lift in a one-rep max. Simply enter the number of reps you can do with a given weight (in any unit) and hit enter, and we will calculate not only your one-rep max, but also your 1–10RM.
Discover your true strength with our user-friendly 1 Rep Max Calculator! This powerful tool is designed to help weightlifters and fitness enthusiasts of all levels accurately estimate their one-repetition maximum (1RM) – the maximum amount of weight you can lift for a single repetition of an exercise.
Calculate your one-rep max using the weight you lifted today with our 1RM calculator. Plus, learn more about how to predict your one-rep max.
Reps and Weights calculator Enter the weight and reps to get an estimate of your 1RM (one rep max) and various rep and percentage schemes calculated with six different methods