The One Rep Max vs Ruutine

The One Rep Max calculator uses a little previous knowledge to give you an approximation of what amount of weight you could lift one time. Use this value to push yourself while remaining safe, and chart your progress along the way.

Ruutine is the AI-powered workout tracker built for people who take training seriously. Powered by Ruu, your personal AI coach, Ruutine builds your training program, tracks your progress, and keeps you accountable — all in one place. SMART WORKOUT TRACKING Log sets, reps, and weight with a clean, fast interface built for the gym floor. Previous weights auto-fill as placeholders so you always know where to start. Swipe to delete sets. Tap to confirm. Rest timer built in. AI COACH — RUU Ruu learns your goals, builds your program, and gives you real feedback after every session. Talk to Ruu anytime to adjust your training, ask about exercises, or get a recap of your progress. PROGRESS THAT MEANS SOMETHING See your weekly volume, training streak, and muscle heatmap showing exactly what you've trained. Session history with exercise breakdown and best sets. Calendar view of every workout completed. BUILT FOR POWERLIFTERS & SERIOUS LIFTERS Smith machine, barbell, dumbbell, cable, cardio — Ruutine handles every exercise type. Imperial and metric units. Custom exercises. Drag to reorder. FREE WORKOUT MODE Not on your program today? Start a free workout, add any exercises, and log it. Everything saves automatically. Train harder. Track smarter. Build your Ruutine.