General Health calculators
12 free tools in this category.
BMI Calculator
Calculate your Body Mass Index based on height and weight.
BMR Calculator
Estimate your Basal Metabolic Rate using the Mifflin-St Jeor equation.
Daily Calorie Calculator
Estimate daily calorie needs based on activity level.
Water Intake Calculator
Estimate daily water intake from body weight and activity.
Protein Intake Calculator
Estimate daily protein needs by goal.
Macro Calculator
Split daily calories into protein, carbs and fat.
Ideal Weight Calculator
Estimate ideal body weight using the Devine formula.
Body Fat Calculator
Estimate body fat % using the U.S. Navy method.
Lean Body Mass Calculator
Estimate lean body mass (Boer formula).
Waist to Hip Ratio Calculator
Calculate WHR - an indicator of body fat distribution.
Body Surface Area Calculator
Estimate BSA using the Du Bois formula.
Age Calculator
Calculate exact age from date of birth.