Fitness Calculators
Free calculators for training performance and strength goals.
Fitness
Calories Burned Calculator
Estimate calories burned during a specific activity and duration, based on your body weight, using MET values from the Compendium of Physical Activities.
Creatine Dosage Calculator
Calculate your creatine monohydrate loading and maintenance dose in grams, based on your body weight, using ISSN-backed dosing guidance.
One Rep Max Calculator
Estimate your one-rep max based on the weight you lifted and the number of repetitions you completed.