my Fitness
&Health Calculator
Empower your wellness journey with science-backed health insights. From personalized fitness analytics and precision nutrition planning to pregnancy tracking, get the evidence-based tools you need to optimize your health — free and instantly.
22+
Calculators
3
Categories
100%
Always Free
About myFitness&Health Calculator
myFitness&Health is an advanced health intelligence suite providing over 22 evidence-based tools designed to translate complex biological data into actionable personal wellness insights. Engineered for precision and accessible to everyone, our platform helps you monitor body composition, master macro-nutrition, and navigate pregnancy milestones with complete clarity and scientific confidence.
Built for everyone — beginners starting their fitness journey, seasoned athletes optimizing peak performance, and expectant parents tracking pregnancy week by week. Our tools span three core pillars: Fitness, Nutrition, and Pregnancy.
Every result is grounded in peer-reviewed medical formulas — including Mifflin-St Jeor for BMR & TDEE, Harris-Benedict as a validated alternative, the U.S. Army circumference method for body fat, and Naegele's Rule for estimated due dates. No guesswork, no ads in your results — just trusted science delivered instantly.
22+ Calculators
Fitness, nutrition, and pregnancy tools all in one place.
Science-Backed
Every formula is based on established medical research.
Built for Everyone
Beginners, athletes, and parents alike.
Fitness
AllBMI Calculator
Body Mass Index
BMR Calculator
Metabolic Rate
Body Fat
Body Composition
Calorie Calculator
Daily Calories
Ideal Weight
Healthy Weight
Calories Burned
Exercise Burn
One Rep Max
Strength Training
Pace Calculator
Running Pace
Target Heart Rate
Training Zones
Army Body Fat
Military Standard
Lean Body Mass
Muscle Mass
Healthy Weight
Weight Range
Sleep Calculator
Sleep Cycles
Nutrition
AllPregnancy
AllTrack Your Progress
Save your results and see your health journey over time with beautiful charts.
View My Progress