Free Tools
Interactive calculators built for beginner strength training and home workouts. No sign-up, no downloads — enter your numbers and get an answer you can act on.
One-Rep Max Calculator
Estimate your one-rep max from a lighter set using the Epley and Brzycki formulas, plus a training percentage table.
Barbell Plate Calculator
Figure out which plates to load per side for any target weight on a 45, 35, or 15 lb bar.
Daily Protein Calculator
Get a daily protein range and per-meal split based on your bodyweight for resistance training.