⚕️ Health Disclaimer: These tools are for informational purposes only and do not constitute medical advice. Always consult a qualified healthcare professional.

🏥 Health & Fitness Calculators

Free health and fitness calculators to help you understand your body metrics, plan nutrition, and track wellness goals. All results are estimates based on established formulas — consult your doctor for medical decisions.

Body Composition

BMI Calculator

Calculate Body Mass Index to screen healthy weight ranges

Body Fat Calculator

Estimate body fat percentage using measurements

Ideal Weight Calculator

Find your ideal body weight range

Lean Body Mass Calculator

Estimate fat-free body mass

Nutrition & Calories

BMR Calculator

Find your Basal Metabolic Rate (calories at rest)

TDEE Calculator

Total Daily Energy Expenditure based on activity level

Calorie Calculator

Calculate daily calorie needs for any goal

Macro Calculator

Get daily protein, carbohydrate, and fat targets

Protein Calculator

Find your daily protein intake recommendation

Water Intake Calculator

Calculate your daily hydration needs

Fitness & Wellness

Heart Rate Zone Calculator

Find your target heart rate zones for exercise

Running Pace Calculator

Calculate pace, time, and distance for any run

Sleep Calculator

Find the best bedtime based on sleep cycles

Pregnancy & Family

Due Date Calculator

Estimate your baby's due date

Pregnancy Calculator

Track milestones and trimester dates

Ovulation Calculator

Predict your most fertile days

About Our Health Calculators

Our health calculators use clinically validated formulas such as the Mifflin-St Jeor equation for BMR, the Deurenberg formula for body fat, and WHO guidelines for BMI classification. Results are educational estimates — individual variation exists, and these tools do not replace professional medical evaluation.

Last Updated: July 4, 2026