Training & Strength Calculators
Numbers for the gym floor. Estimate your maximal strength without testing it, and plan the weights for every set.
Guides to go with your numbers
All articlesHow to Build Muscle: A Science-Based Guide for Beginners
Muscle grows when you train hard enough, eat enough protein and energy, and recover. Here is how much of each you need, based on the research, with a simple plan to start.
Read the articleMuscle Recovery: What Actually Helps You Recover Faster
Training breaks muscle down. Recovery is when it is rebuilt stronger. The basics do most of the work, and a few popular methods do less than you might think.
Read the articleCreatine: What It Does and How to Take It
Creatine is the most researched sports supplement there is, and one of the few with clear benefits. Here is how it works, how much to take and what the myths get wrong.
Read the article