Health & Fitness
Calculate your health metrics including BMI, body fat percentage, daily calorie needs, ideal weight, and more. Perfect for tracking your fitness journey.
Available Calculators
59 calculators in this category
BMI Calculator
Calculate your Body Mass Index and find out if you're in a healthy weight range
BMR Calculator
Calculate your Basal Metabolic Rate to understand how many calories your body burns at rest
Body Fat Calculator
Calculate your body fat percentage using the US Navy method or BMI-based estimation
Calorie Intake Calculator
Calculate your daily calorie needs for weight loss, maintenance, or muscle gain based on your profile
Pregnancy Due Date Calculator
Estimate your expected delivery date based on your last menstrual period or conception date
Ideal Weight Calculator
Estimate your healthy ideal body weight range based on height, gender, and multiple formulas
Water Intake Calculator
Calculate your recommended daily water intake based on weight, activity level, and climate
Protein Intake Calculator
Calculate your recommended daily protein intake based on weight, activity level, and fitness goals
Waist-to-Hip Ratio Calculator
Calculate your waist-to-hip ratio to assess health risks associated with body fat distribution
Heart Rate Zone Calculator
Calculate your target heart rate zones for different exercise intensities using the Karvonen method
Calories Burned Calculator
Estimate calories burned during physical activities based on exercise type, duration, and intensity
Macro Calculator
Calculate your daily macronutrient needs (protein, carbs, fat) based on your calorie intake and fitness goals
Keto Macro Calculator
Calculate your daily macronutrient targets optimized for a ketogenic diet based on your profile and goals
Sleep Calculator
Calculate optimal bedtime or wake-up time based on sleep cycles to wake up feeling refreshed
Fat Loss Calculator
Estimate daily calorie target and macronutrient distribution optimized for sustainable fat loss
Alcohol Calculator
Estimate your blood alcohol concentration (BAC) and time until sober using the Widmark formula
Steps to Calories Calculator
Estimate calories burned based on steps taken, body weight, and walking or running intensity
Cholesterol Ratio Calculator
Calculate cholesterol ratios and assess cardiovascular risk based on your lipid panel values
Blood Volume Calculator
Estimate your total blood volume based on height, weight, and gender using the Nadler formula
Metabolic Age Calculator
Estimate your metabolic age by comparing your BMR with average values for different age groups
Running Pace Calculator
Calculate your running pace, speed, or finish time for races from 5K to marathon distances
Lean Body Mass Calculator
Estimate your lean body mass using multiple formulas including James, Boer, and Hume methods
Resting Metabolic Rate Calculator
Estimate calories burned at rest using Mifflin-St Jeor, Harris-Benedict, or Katch-McArdle formulas
VO2 Max Calculator
Estimate your maximal oxygen uptake to assess aerobic fitness and cardiovascular endurance
One-Rep Max Calculator
Estimate your maximum single-rep lift weight using multiple proven strength formulas
Target Weight Date Calculator
Estimate the date to reach your target weight based on current weight and weekly weight change goals
Maintenance Calories Calculator
Estimate daily calories needed to maintain your current weight based on BMR and activity level
Weight Gain Calculator
Estimate the time required to reach your target weight based on desired weekly weight gain
Healthy Weight Range Calculator
Estimate your healthy weight range based on height, gender, and body frame using BMI standards
Cycling Calories Calculator
Estimate calories burned during cycling based on weight, distance, speed, and terrain
Body Surface Area Calculator
Estimate your body surface area using multiple medical formulas for clinical assessments
Waist-to-Height Ratio Calculator
Assess body fat distribution and health risk by calculating your waist-to-height ratio
Heart Rate Recovery Calculator
Measure cardiovascular fitness by calculating heart rate recovery after exercise
Running Calories Calculator
Estimate calories burned during running based on weight, distance, speed, and terrain
Swimming Calories Calculator
Estimate calories burned during swimming based on weight, duration, stroke style, and intensity
TDEE Calculator
Calculate your Total Daily Energy Expenditure based on BMR and activity level
Muscle Gain Calculator
Calculate daily calorie and protein targets for optimal muscle building based on your profile
Cutting Calories Calculator
Estimate daily caloric intake for fat loss while preserving lean muscle mass
Body Shape Calculator
Determine your body shape type based on key measurements for fitness and style guidance
Metabolic Syndrome Risk Calculator
Assess your risk for metabolic syndrome based on key health indicators and clinical measurements
Blood Pressure Category Calculator
Determine your blood pressure category based on systolic and diastolic readings using ACC/AHA guidelines
Diabetes Risk Calculator
Assess your risk of developing type 2 diabetes based on demographic, lifestyle, and clinical factors
Insulin Sensitivity Calculator
Calculate HOMA-IR to assess insulin resistance using fasting glucose and insulin levels
Glycemic Load Calculator
Calculate the glycemic load of foods and meals to assess blood sugar impact
Basal Temperature Calculator
Track basal body temperature patterns to identify ovulation and fertility windows
Menstrual Cycle Calculator
Track and predict menstrual cycle phases, ovulation, and fertile windows for health monitoring
Ovulation Calculator
Predict ovulation day and fertile window based on menstrual cycle data for fertility planning
Fertility Window Calculator
Identify your fertile window based on menstrual cycle data to aid in conception planning
Breastfeeding Calorie Calculator
Calculate daily calorie needs for breastfeeding mothers based on lactation stage and activity level
Child Growth Percentile Calculator
Determine a child's growth percentile based on age, gender, height, and weight using WHO/CDC growth charts
Senior Health Risk Calculator
Assess potential health risks in older adults based on demographic, lifestyle, and clinical factors
Post-Workout Recovery Time Calculator
Estimate optimal recovery time after workouts based on intensity, duration, and fitness level
Fitness Age Calculator
Estimate your fitness age by comparing physical performance and cardiovascular metrics to age norms
Stress Level Calculator
Assess your stress level based on psychological, physical, and lifestyle factors for stress management insights
Hydration Loss Calculator
Estimate fluid and electrolyte loss during physical activity based on weight, duration, and conditions
Electrolyte Balance Calculator
Estimate electrolyte requirements and identify potential imbalances based on activity, diet, and health parameters
Oxygen Saturation (SpO₂) Estimator
Estimate oxygen saturation levels based on physiological parameters and environmental factors
Creatine Dosage Calculator
Calculate optimal creatine supplementation dosage based on body weight, fitness goals, and loading strategy
Caffeine Intake Calculator
Estimate safe and effective caffeine consumption based on body weight, age, and sensitivity level