Health & Fitness Calculators
Free health & fitness tools with instant PDF reports. Analyze results instantly without any signup required.
Welcome to our Health and Fitness category, designed for athletes, fitness enthusiasts, and anyone looking to maintain a healthy lifestyle. These calculators help you track daily calorie requirements, estimate body fat percentage, plan macronutrient distributions, and analyze key biometric indices.
Having access to free, scientifically-backed health calculators makes it simple to establish nutrition baselines and track fitness progression over time. Our tools display instant results and offer clean, downloadable PDF charts to keep on your phone or print for your records.
Try out our most popular health tools, including the BMI Calculator, Calorie Calculator, and the Macro split planner.
BMI Calculator
Calculate your Body Mass Index and find out if you are underweight normal weight overweight or obese.
Use Calculator →Calorie Calculator
Calculate your daily calorie needs based on age weight height and activity level using the Mifflin St Jeor equation.
Use Calculator →Pregnancy Due Date Calculator
Calculate your pregnancy due date and track week by week milestones from your last menstrual period or conception date.
Use Calculator →Body Fat Calculator
Calculate your body fat percentage using the US Navy method and BMI method.
Use Calculator →Macro Calculator
Calculate your daily macronutrient targets for protein carbohydrates and fat based on your goals.
Use Calculator →Ideal Weight Calculator
Calculate your ideal body weight range based on height gender and frame size using multiple formulas.
Use Calculator →Calories Burned Calculator
Calculate calories burned during exercise and physical activities based on your weight and duration.
Use Calculator →Water Intake Calculator
Calculate your daily recommended water intake based on weight activity level and climate.
Use Calculator →Protein Calculator
Calculate your daily protein requirements based on weight fitness goals and activity level.
Use Calculator →Sleep Calculator
Calculate the best times to wake up or go to sleep based on 90 minute sleep cycles.
Use Calculator →Chinese Baby Gender Predictor
Predict your baby's gender using the ancient Chinese Gender Chart based on the mother's age and month of conception.
Use Calculator →