Stronger lifting 150 lbs 10 times or 200 lbs 5? This simple but versatile Rep Max Calculator helps you analyze and realize your true development in the gym - a tool no one should go to the gym without
Choose your favourite from a variety of well know 1 RM formulas. Find your favourite through comparition and test your strength with different weights at different rep counts.
Formulas are applied to work for lbs as well as Kg.