👶 Professional Baby Tools

Free Baby Calculator Tools

Professional baby calculators based on WHO/CDC standards. Track growth, milestones, and daily care needs with privacy-first, client-side calculations.

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Growth & Percentiles

Baby Weight Percentile Calculator

Calculate your baby's weight percentile using WHO or CDC growth charts. See if your baby is growing on track.

Baby Height Percentile Calculator

Determine your baby's height percentile based on WHO or CDC growth charts. Track your baby's growth.

Baby Head Circumference Calculator

Track your baby's head growth percentile using reliable WHO/CDC charts. Monitor brain development.

Baby BMI & Weight-for-Length Calculator

Check your baby's BMI and weight-for-length percentile using CDC/WHO charts.

Corrected Age Calculator for Preterm Babies

Calculate your preterm baby's corrected age to track development milestones accurately.

Baby Developmental Milestone Checker

Check which developmental milestones your baby should reach at this age.

Baby Teething Tracker

Predict which teeth your baby may have at their current age based on typical teething patterns.

Daily Care

Baby Milk Intake Calculator

Estimate your baby's daily milk intake based on weight and age. Get feeding guidance.

Baby Vaccination Schedule

See the recommended vaccination schedule for your baby based on country guidelines.

Baby Sleep Schedule Calculator

Generate an age-appropriate sleep schedule for your baby to ensure healthy rest patterns.

Baby Diaper Needs Calculator

Estimate how many diapers your baby will need per day and per week. Plan ahead for diaper purchases.

Baby Calorie & Solids Introduction Calculator

Get age-appropriate daily calorie needs and a solids introduction schedule for your baby.

Breastfeeding & Pumping Tracker

Track your daily breastfeeding and pumping sessions, including total and average milk output.

Pregnancy

Baby Due Date & Gestational Age Calculator

Calculate your baby's expected due date and gestational age based on your last menstrual period.

Estimated Fetal Weight Calculator

Estimate your baby's fetal weight and percentile using standard obstetric formulas.

Fun & Names

Baby Eye Color Predictor

Predict your baby's eye color probability based on parents' eye colors using simplified genetic model.

Why Choose Us?

Privacy Safe

All calculations done locally in your browser, no data uploaded to servers.

Professional Accuracy

Based on latest WHO/CDC standard data for reliable scientific guidance.

Easy to Use

Intuitive interface with instant results, multilingual support for easy use.

Frequently Asked Questions

What is a baby calculator and how to use it?

Baby calculators are online tools based on latest WHO/CDC standards. Simply enter your baby's basic information to get instant professional results including percentiles, BMI, and developmental milestones.

Is this calculator accurate?

All calculations use the latest WHO/CDC standard data. Results are for reference only and do not replace professional medical advice.

What does baby percentile calculator do?

Baby percentile calculators use WHO/CDC growth charts to show how your baby's development compares to peers. Percentiles indicate what percentage of babies your child exceeds in weight, height, or head circumference measurements.

How to use for premature babies?

For premature babies, use our corrected age calculator first to adjust for early birth, then use other calculators with the adjusted age for more accurate assessments.

What features are available?

Our comprehensive baby calculator suite includes 18 professional tools: weight percentile, height percentile, head circumference, BMI calculation, corrected age, milk intake, eye color prediction, developmental milestones, vaccination schedule, teething tracker, name popularity, sleep schedule, diaper calculator, due date, fetal weight estimation, solids feeding, and breastfeeding tracker.