The VO₂ Max Calculator estimates a person’s maximum oxygen uptake, which represents the highest amount of oxygen the body can utilize during intense physical activity. It is often used to measure aerobic endurance and cardiovascular fitness. Using the Cooper test formula, VO₂ Max is calculated as (Distance − 504.9) ÷ 44.73, where distance is measured in meters after 12 minutes of running. A higher VO₂ Max value indicates better endurance and oxygen efficiency. This calculator helps athletes, fitness trainers, and health professionals assess aerobic capacity, monitor training progress, and design personalized workout programs to improve overall performance and stamina.