Calcs.ToolsHealth & Fitness Calculators
Take control of your health journey with our comprehensive collection of free health and fitness calculators. Whether you're tracking weight goals, planning nutrition, monitoring pregnancy, or optimizing your workout routine, our science-based calculators provide accurate insights to support your wellness objectives.
Medical Disclaimer
These calculators are for informational and educational purposes only. They are not a substitute for professional medical advice, diagnosis, or treatment. Always consult your healthcare provider before making health decisions or starting any fitness program.
Most Popular Health & Fitness Calculators
BMI Calculator
Calculate your Body Mass Index (BMI) to assess if you are underweight, normal weight, overweight, or obese. Essential tool for health monitoring.
Calculate Now →Calorie Calculator
Calculate your daily calorie needs based on TDEE (Total Daily Energy Expenditure). Perfect for weight loss, maintenance, or muscle gain goals.
Calculate Now →Body Fat Calculator
Estimate your body fat percentage using multiple methods including Navy method, BMI method, and skinfold measurements.
Calculate Now →Macro Calculator
Calculate your optimal macronutrient distribution (protein, carbs, fat) based on your goals and body composition.
Calculate Now →All Health & Fitness Calculators
Ideal Weight Calculator
Find your ideal weight range using multiple formulas including Devine, Robinson, Miller, and Hamwi formulas.
Calculate Now →Water Intake Calculator
Calculate your daily water intake needs based on your weight, activity level, and climate conditions.
Calculate Now →Pregnancy Due Date Calculator
Calculate your estimated due date using LMP (Last Menstrual Period) or ultrasound measurements. Track your pregnancy milestones.
Calculate Now →Ovulation Calculator
Predict your fertile window and ovulation date based on your menstrual cycle. Optimize your chances of conception.
Calculate Now →BMR Calculator
Calculate your Basal Metabolic Rate (BMR) - the number of calories your body burns at rest. Foundation for all calorie calculations.
Calculate Now →TDEE Calculator
Calculate your Total Daily Energy Expenditure including BMR plus calories burned through physical activity and exercise.
Calculate Now →Essential Health & Fitness Calculators for Your Wellness Journey
Health and fitness calculations are crucial for understanding your body's needs and tracking progress toward your wellness goals. Our comprehensive suite of health calculators uses scientifically validated formulas to provide accurate insights into your nutrition, body composition, and reproductive health. Whether you're trying to lose weight, build muscle, or plan for pregnancy, these tools give you the data-driven guidance you need.
Why Choose Our Health Calculators?
- Scientifically validated formulas and methodologies
- Multiple calculation methods for comprehensive analysis
- Mobile-optimized interface for tracking on-the-go
- Free forever with no hidden fees or limitations
- Regular updates based on latest health research
Popular Health Calculations
Body Composition: BMI calculations, body fat percentage estimation, and ideal weight ranges help you understand your current health status and set realistic goals.
Nutrition & Calorie Needs: BMR, TDEE, and macro calculations provide personalized nutrition guidance for weight management and athletic performance.
Hydration Tracking: Daily water intake recommendations based on your individual factors ensure optimal hydration for health and performance.
Reproductive Health: Pregnancy due dates and ovulation predictions help with family planning and fertility awareness.