The health metrics, calculations, and recommendations provided in this app are estimates for informational purposes only. They should not be used as a substitute for professional medical advice, diagnosis, or treatment. Always consult a qualified healthcare provider before making changes to your diet, exercise routine, or health regimen.
BMI is calculated as weight (kg) divided by height (m) squared. The classification ranges used in this app (Underweight < 18.5, Normal 18.5–24.9, Overweight 25–29.9, Obese ≥ 30) are based on the World Health Organization (WHO) guidelines.
World Health Organization. "Body mass index – BMI."
www.who.intBMR is estimated using the Mifflin-St Jeor equation, which calculates the number of calories your body burns at rest based on weight, height, age, and sex.
Mifflin MD, St Jeor ST, Hill LA, Scott BJ, Daugherty SA, Koh YO. "A new predictive equation for resting energy expenditure in healthy individuals." Am J Clin Nutr. 1990;51(2):241-247.
pubmed.ncbi.nlm.nih.govThe daily hydration target is calculated at approximately 35 ml per kilogram of body weight. This is based on general hydration guidelines from the European Food Safety Authority (EFSA).
EFSA Panel on Dietetic Products, Nutrition and Allergies. "Scientific Opinion on Dietary Reference Values for water." EFSA Journal. 2010;8(3):1459.
efsa.onlinelibrary.wiley.comThe sleep duration categories and recommendations used in this app (optimal range of 7–8 hours for adults) are based on guidelines from the National Sleep Foundation and the U.S. Centers for Disease Control and Prevention (CDC).
Watson NF, Badr MS, Belenky G, et al. "Recommended Amount of Sleep for a Healthy Adult." Sleep. 2015;38(6):843-844. / CDC – How Much Sleep Do I Need?
www.cdc.govFitness Age is a proprietary estimate calculated by this app based on a combination of your BMI, fitness level, sleep quality, workout frequency, and physical limitations. It is intended as a motivational indicator and does not represent a clinical or medical measurement.