Free health calculators to help your business grow.
Calculate your Body Mass Index (BMI) using metric (kg/cm) or imperial (lb/in) units. BMI categories: Underweight < 18.5, Normal 18.5–24.9, Overweight 25–29.9, Obese ≥ 30.
Calculate your Basal Metabolic Rate (BMR) and Total Daily Energy Expenditure (TDEE) using the Mifflin-St Jeor or Harris-Benedict formula. Adjust for your activity level to find your daily calorie needs.
Calculate calories burned during exercise using the MET (Metabolic Equivalent of Task) method. Supports walking, running, cycling, swimming, yoga, and weight training.
Calculate your recommended daily water intake based on body weight, activity level, and climate. Especially useful in hot and humid climates like Vietnam.
Calculate your ideal body weight using three established formulas: Devine, Robinson, and Hamwi. Results are averaged to give a balanced estimate based on your height and gender.
Estimate your pregnancy week and days remaining until your due date using Naegele's rule (LMP + 280 days). Adjusted for your menstrual cycle length.