Fitness & Exercise
Workout planning, calorie burn, target heart rate
One Rep Max Calculator - Calculate Your 1RM
Calculate your one rep max (1RM) for weightlifting using multiple proven formulas. Find your maximum lifting capacity and training percentages.
Running Pace Calculator - Calculate Your Running Speed
Calculate your running pace, speed, and split times for any distance. Perfect for marathon training and race planning.
VO2 Max Calculator - Measure Your Aerobic Fitness
Calculate your VO2 max using Cooper Test, Rockport Walking Test, or formula-based estimation. Measure cardiovascular fitness and aerobic capacity with scientifically validated methods.
Calories Burned Calculator - Exercise Calorie Counter
Calculate calories burned during 60+ activities including running, cycling, swimming, gym workouts, and daily activities. Uses scientifically validated MET values for accurate estimates.
Daily Step Goal Calculator - How Many Steps Should You Walk?
Calculate your personalized daily step goal based on age, weight, fitness level, and health goals. Find out how many steps you should walk per day for optimal health.