Free VO2 Max Trainer Tools
Planner
Calisthenics Workout Planner
Build a simple two-to-five-day calisthenics plan from your level and available workout time.
Open tool → CalculatorCooper 12-Minute VO2 Max Calculator
Estimate VO2 max from your Cooper 12-minute run distance. Convert miles, kilometers, or meters and see pace and average speed.
Open tool → TimerInterval Timer
A free online interval timer for Tabata, HIIT, EMOM, boxing and circuit rounds. Set work, rest and round count, or start from a preset. No account, no ads.
Open tool → PlannerKettlebell Workout Planner
Generate a simple kettlebell training week from your experience, days available and session length.
Open tool →