Pregnancy & Baby Calculators Hub
From conception to your baby's first milestones, our free tools support you at every stage. Calculate your due date, track your ovulation window, and find out your baby's age in weeks and months.
Fitness & Health Calculators
A hub for all health, fitness, and scientific calculators.
Biological Age Calculator
Estimates body’s biological age based on health/lifestyle inputs.
Metabolic Age Calculator
Find out your body’s metabolic age based on your BMR.
Target Heart Rate Calculator
Find your ideal heart rate zones for exercise (fat burn, cardio, peak).
Macro Calculator
Get daily protein, carb, and fat intake recommendations.
BMI Calculator
Calculate your Body Mass Index to assess your weight status.
BMR Calculator
Estimate your Basal Metabolic Rate (calories burned at rest).
Body Fat Calculator
Estimate your body fat percentage using the U.S. Navy method.
Pregnancy Calculator
Estimate your pregnancy week, due date, and conception date.
Due Date Calculator
Predict your baby's due date from LMP, conception, or IVF.
Ovulation Calculator
Predict your fertile window and ovulation day.
Gestational Age Calculator
Calculates pregnancy gestational age from last menstrual period or due date.
Baby Age Calculator
Calculate your baby's age in weeks, months, and days.