Calculate your calorie needs and percentagesof macronutrients according to your objectives, either to maintainweight, lose weight or gain weight (muscle mass).Calculate your basal metabolism rate (MBR), that is what your bodyuse just to live without an extra activity, such as walking,sports, work or any other physical activity.Calculate your body fat percentage based on your BMI (Body MassIndex) or your measures for a more accurate calculation.In addition, calculate your daily calorie requirement for yourlevel of activity and the necessary macronutrients (carbohydrates,proteins and fats) to meet your goals.Mifflin-St Jeor, Harris-Benedict and Katch-McArdle formulas areused for the basal metabolism rate (MBR) calculation.

Calculate your 1RM and percentages with the most known formulas.1RM is the specific resistance that allows you to make only onerepetition in an exercise. Determines your strength and power at aparticular time. Knowing your 1RM will help you know how muchweight you can lift for a given number of repetitions, it can alsobe used to check changes between measurements to know if thetraining is being effective or not. To calculate your 1RM you needto know how much weight you can lift and how many reps you can doin a particular exercise, it is advisable to perform thecalculation with less than 12 repetitions, because from there thecalculations become less reliable. Formulas used in thisapplication: -Epley -Lander -O'Conner et al -Lombardi -Mayhew et al-Brzycki -Wathen

The metabolic age represents the actual ageofour body, taking into account our lifestyle and the health ofourbody.Two people with the same biological or chronological age canhavedifferent metabolic age, depending on their lifestyle,exercise,nutrition, etc...Our metabolic age should be equal to or less than ouractualbiological age, but if it is higher do not worry, can besolvedwith some exercise and good nutrition.There are different methods to calculate our metabolic age,inthis application is calculated from the maximum amount ofoxygenthat your body can transport in one minute (VO2 Max) measuredinmL/kg/min.Fill the questions to know your metabolic age!