Free fitness calculators for exercise, training, performance, heart rate, pace, and other useful fitness measurements.
Pace Calculator Calculate your running or walking pace from distance and time, and estimate your speed and finish time for a selected distance. Calculate your pace Enter your distance and finish time to calculate your average pace and speed. Distance Distance unit Kilometers (km) Miles (mi) Hours Minutes Seconds Calculate Pace Reset Please enter a … Read more
Lean Body Mass Calculator Estimate your lean body mass using your body weight and height with a commonly used body composition formula. Calculate your lean body mass Enter your sex, age, height, and weight to estimate your lean body mass. Sex Male Female Age Height Height unit cm inches Weight Weight unit kg lb Calculate … Read more
One Rep Max Calculator Estimate the maximum weight you could potentially lift for one repetition based on the weight and repetitions you can currently perform. Calculate your one rep max Enter the weight you lifted and the number of repetitions you completed to estimate your 1RM. Weight lifted Weight unit kg lb Repetitions completed Calculate … Read more
Target Heart Rate Calculator Calculate an estimated target heart rate for exercise using your age, resting heart rate, and selected training intensity. Calculate your target heart rate Enter your age and resting heart rate, then choose your desired exercise intensity. Age Resting heart rate Training intensity 50% — Light 55% — Light to moderate 60% … Read more
Heart Rate Zone Calculator Estimate your maximum heart rate and exercise heart rate zones based on your age using a simple, easy-to-understand calculation. Calculate your heart rate zones Enter your age to estimate your maximum heart rate and general exercise intensity zones. Age Calculate Heart Rate Zones Reset Please enter a valid age between 13 … Read more
Calorie Burn Calculator Calculate the estimated calories you burn during physical activities based on your weight, activity, speed or intensity, and exercise duration. Calculate calories burned Enter your weight, choose an activity, select the appropriate speed or intensity, and enter your exercise duration. Weight Weight unit kg lb Activity Walking Running Cycling Swimming Weight Training … Read more