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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.
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.
Use this One Rep Max (1RM) Calculator to estimate the maximum weight you can lift for a single repetition, based on the number of repetitions you can perform with a certain weight. For the most accurate estimation, please use a weight that you can lift between 1 and 10 times.
Calculate your one-rep max (1RM) for your lifts. Just plug in your working weight and the number of reps for any exercise
Our one rep max calculator gives you three scientific formulas to choose from. These have been picked from many widely used formulas as the most common and accepted ones. Epley Formula — 1RM = Weight Lifted x ( 1 + 30 ÷ Number Of Repetitions). Brzycki Formula — 1RM = Weight Lifted x 36 ÷ 37 – Number Of Repetitions.
This One Rep Max (1RM) calculator can help you estimate your maximum strength for any lift across various rep ranges. It also calculates the percentages of your 1 rep max required by many training programs.
