fitcalc

Fitness calculator extension for BMR, BMI, MHR, and daily water intake based on user's fitness goals, weight, and activity level.

The formulas used in this extension were based on the following reliable sources: Daily Water Intake: National Academies of Sciences, Engineering, and Medicine. Dietary Reference Intakes for Water, Potassium, Sodium, Chloride, and Sulfate, 2005. Body Mass Index: World Health Organization. BMI classification, 2021. Maximum Heart Rate: American Heart Association. Target Heart Rates, 2021. Daily Calorie Needs: American Council on Exercise. Calories Burned, 2021. Basal Metabolic Rate: Mifflin, M.D., St Jeor, S.T., Hill, L.A., Scott, B.J., Daugherty, S.A., & Koh, Y.O. A new predictive equation for resting energy expenditure in healthy individuals, 2005.