Health & Fitness Calculators
Body metrics, calorie expenditure, weight targets, and gestational timelines
Track your physical fitness and health metrics using evidence-based medical and biological formulas. Our health calculators help you assess Body Mass Index (BMI), estimate daily calorie requirements for weight maintenance or loss, calculate Basal Metabolic Rate (BMR), measure body fat percentage via the U.S. Navy formula, and determine healthy body weight ranges across established clinical standards. Expecting mothers can also track gestational progress and estimate due dates using LMP, conception, or ultrasound parameters. All calculators provide immediate results tailored to age, sex, height, and activity level.
Available Health (6)
Pregnancy Due Date Calculator
Estimate your due date, current gestational age, and trimester timeline using LMP, conception, IVF, or ultrasound methods.
Calorie Calculator
Calculate daily calorie needs, BMR, and weight loss or gain targets using Mifflin-St Jeor, Harris-Benedict, or Katch-McArdle formulas.
BMI Calculator
Calculate your Body Mass Index (BMI), BMI Prime, Ponderal Index, and healthy weight range for adults, teens, and children.
BMR Calculator
Calculate your Basal Metabolic Rate (BMR) using Mifflin-St Jeor, Harris-Benedict, and Katch-McArdle formulas, plus daily calorie needs by activity level.
Ideal Weight Calculator
Compare ideal body weight across Devine, Robinson, Miller, and Hamwi formulas alongside WHO Healthy BMI weight ranges.
Body Fat Calculator
Calculate body fat percentage, fat mass, and lean mass using the U.S. Navy Method and BMI Method.