Health & Fitness Calculators
Calculate BMR, TDEE, water intake, heart rate zones, and running pace. Results are for informational purposes only — always consult a healthcare professional.
Age Calculator
Find your exact age in years, months, and days.
BMR Calculator
Calculate your Basal Metabolic Rate.
TDEE Calculator
Calculate Total Daily Energy Expenditure.
Calorie Calculator
Calculate daily calorie needs based on your goals.
Ideal Weight Calculator
Find your ideal body weight range.
Body Fat Calculator
Estimate body fat percentage.
Lean Body Mass Calculator
Calculate lean body mass from weight and body fat.
Water Intake Calculator
Find your daily recommended water intake.
Heart Rate Calculator
Calculate target heart rate zones.
Max Heart Rate Calculator
Calculate your maximum heart rate by age.
Pace Calculator
Calculate running or walking pace.
Running Pace Calculator
Find your running pace per km/mile.
Waist-to-Height Ratio Calculator
Calculate waist-to-height ratio for health assessment.
Macro Calculator
Calculate daily macronutrient needs (protein, carbs, fat).
Protein Calculator
Calculate daily protein needs based on weight and activity.
Pregnancy Due Date Calculator
Estimate due date from last menstrual period.
Ovulation Calculator
Estimate ovulation date and fertile window.
Period Calculator
Predict next period dates based on cycle length.
Date of Conception Calculator
Estimate conception date from due date or LMP.
Calories Burned Calculator
Estimate calories burned during exercise.