Health & Fitness Calculators
BMI, calorie, body fat, pregnancy, and fitness tracking tools. — 10 free tools, all running locally in your browser.
Most Popular
BMI Calculator
Calculate your Body Mass Index (BMI) effortlessly, powered by seamless global unit conversions.
BMR Calculator
Calculate your Basal Metabolic Rate (BMR) instantly. Determine exactly how many calories your body burns at complete rest.
Body Fat Calculator
Calculate your body fat percentage, lean body mass, and fat mass using the highly accurate U.S. Navy Method based on your measurements.
Calorie Calculator
Calculate your daily calorie needs based on age, weight, height, and activity level. Discover calories required for weight loss or maintenance.
Due Date Calculator
Calculate your estimated baby due date using your last menstrual period (LMP), conception date, or IVF transfer.
Ideal Weight Calculator
Discover your Ideal Body Weight (IBW) using scientifically proven clinical formulas including Robinson, Miller, Hamwi, and Devine.
All Health & Fitness Calculators (10)
Health & Fitness Calculators
Take control of your health journey with our suite of medical-grade calculators designed for accuracy and privacy. From body composition analysis to pregnancy planning, every tool runs locally in your browser.
Body Composition
Use the BMI Calculator for a quick assessment, then dive deeper with Body Fat Calculator and Ideal Weight Calculator for a comprehensive body composition analysis. Our BMR Calculator reveals your basal metabolic rate — the foundation for any nutrition plan.
Nutrition & Fitness
The Calorie Calculator helps you determine daily intake targets based on your goals. Whether you're cutting, bulking, or maintaining, pair it with the Pace Calculator for exercise planning.
Pregnancy & Fertility
Plan your pregnancy journey with our Ovulation Calculator, Pregnancy Calculator, and Due Date Calculator. The Pregnancy Conception Calculator helps pinpoint key dates for family planning.
All health calculations use clinically validated formulas. However, always consult a healthcare professional for medical decisions.