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What’s Your Health Age?
Estimate how your everyday habits compare with your chronological age.
Women’s health & wellness tools
Health Calculators
Made Simple.
Use free calculators to better understand your body, nutrition needs, fitness goals, and everyday wellness—all in one place.
Featured calculator
What’s Your Health Age?
See whether your lifestyle profile looks younger, about the same as, or older than your chronological age.
Your Age39 years
Sleep7 hours/night
Exercise4 days/week
StressModerate
Example result
Estimated health age: 35
Estimated health age: 35
Free tools for everyday wellness
Explore Our Health Calculators
Choose a tool based on your goals. Each calculator is designed to be simple, educational, and easy to use.
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BMI Calculator
Calculate body mass index using your height and weight as a screening measure.
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Calorie Needs Calculator for women
Estimate the calories your body may need based on age, size, and activity.
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BMR Calculator
Estimate how many calories your body uses at rest each day.
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TDEE Calculator
Estimate total daily energy expenditure based on your activity level.
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Macro Calculator
Estimate a starting point for daily protein, carbohydrate, and fat targets.
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Protein Needs Calculator for women
Estimate a practical daily protein range based on your body and goals.
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Water Intake Calculator
Estimate a daily hydration starting point using body size and activity.
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Ovulation & Fertile Window
Estimate your likely fertile window using your cycle information.
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Period Calculator
Estimate the start of your next period using your average cycle length.
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Pregnancy Due Date
Estimate a due date from the first day of your last menstrual period.
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Healthy Weight Range
View a general weight range based on height using standard BMI categories.
What’s Your Health Age?
An educational lifestyle estimate—not a clinical biological-age test.
BMI Calculator
BMI is a screening measure and does not directly measure body fat.
BMR Calculator
Uses the Mifflin-St Jeor equation for adult women.
Daily Calorie Needs
Estimate maintenance calories using age, height, weight, and activity.
TDEE Calculator
Estimate your total daily energy expenditure.
Macro Calculator
Provides a simple starting split for protein, carbs, and fat.
Protein Needs Calculator
Estimate a practical daily protein range based on body weight and goal.
Water Intake Calculator
A general hydration starting point; individual needs vary.
Ovulation & Fertile Window
Calendar estimates are less reliable with irregular cycles and should not be used alone for contraception.
Period Calculator
Estimate the next period using your average cycle length.
Pregnancy Due Date
Estimates a due date using the first day of the last menstrual period.
Healthy Weight Range
Shows the weight range corresponding to adult BMI values 18.5–24.9.
A more engaging wellness tool
Are You Older or Younger Than Your Real Age?
Our Health Age calculator uses lifestyle information to create an educational estimate—not a medical diagnosis or laboratory measurement of biological age.
✓ Activity & exercise
✓ Sleep habits
✓ Nutrition habits
✓ Stress level
✓ Smoking status
✓ Everyday lifestyle habits
Sample result
35
Estimated Lifestyle Health Age
Example chronological age: 39
4 years younger — This example reflects several positive lifestyle habits.
Want more than a number?
Turn Your Results Into a Custom Plan.
Get a Custom Diet & Fitness Plan built around your goals, schedule, food preferences, fitness level, and available equipment.
Educational use only: These calculators provide general estimates and screening information. They are not medical diagnoses and should not replace advice from a qualified healthcare professional.