🏃 Training Calculators

Calculate your one-rep max, heart rate zones, running pace, VO2 max, and calories burned during exercise. Choose a calculator below to get started.

1RM Calculator Calculate your estimated one-rep max using Epley and Brzycki formulas. Enter the weight lifted and reps performed for your 1RM estimate. Heart Rate Zone Calculator Calculate your 5 heart rate training zones using the Karvonen method. Enter your age and resting heart rate for personalized HR zones. Running Pace Calculator Calculate your running pace per kilometer or mile. Enter distance and time to find your pace, speed, and estimated finish times. VO2 Max Estimator Estimate your VO2 max from age and resting heart rate using the Uth formula. VO2 max indicates cardiovascular fitness level. Calories Burned Calculator Calculate calories burned during exercise. Choose an activity, enter duration and body weight for an accurate calorie burn estimate.