RepMaths

RepMaths is a premium, lightning-fast suite of fitness calculators designed for powerlifters, bodybuilders, and athletes. It provides evidence-based tools for optimizing strength training, workout programming, body composition, and nutrition. Our platform features essential utilities like One Rep Max estimators, barbell plate calculators, and Wendler 5/3/1 program generators to manage fatigue and enhance submaximal training. Additionally, RepMaths offers scientifically validated health metrics, including Mifflin-St Jeor TDEE calculations and the US Navy Body Fat method, ensuring highly accurate macronutrient planning. Built with a mobile-first architecture, every tool delivers instant, client-side results completely free, no sign-ups. Whether you are planning a rigorous peaking block or a sustainable body recomposition, RepMaths provides the exact data you need.