Baby & Child Health Calculators

Baby Weight Converter

Convert kg ↔ lbs & oz instantly.

Baby Height Converter

Convert cm ↔ feet & inches instantly.

Baby Age Calculator

Exact age in years, months, weeks & days.

Age in Months Calculator

How old is my baby in months?

Premature Baby Corrected Age

Calculate corrected (adjusted) age for preemie babies.

Due Date Calculator

Calculate your EDD from last period.

Gestational Age Calculator

Weeks pregnant from LMP or conception date.

Weight Gain Since Birth

Is my baby gaining enough weight?

Newborn Weight Loss Calculator

Is my newborn's weight loss normal?

Expected Birth Weight Estimator

Average birth weight by gestational age & sex.

Baby Weight Percentile

WHO weight-for-age percentile (0–24 months).

Baby Height Percentile

WHO height-for-age percentile (0–24 months).

Toddler Weight Percentile

WHO weight percentile for ages 2–5.

Toddler Height Percentile

WHO height percentile for ages 2–5.

Child Weight Percentile

CDC weight percentile for ages 5–19.

Child Height Percentile

CDC height percentile for ages 5–19.

Head Circumference Percentile

WHO head circumference percentile.

Weight-for-Length Percentile

WHO weight-for-length for 0–2 years.

Baby BMI Calculator (Under 2)

WHO weight-for-length percentile for infants.

Child BMI Calculator

CDC BMI-for-age percentile (2–20 years).

Adult Height Prediction

Predicted adult height from parents' heights.

Average Weight & Height by Age

WHO/CDC median reference table.

Head Circumference Growth Rate

Baby's head circumference growth velocity vs. WHO norms.

Baby Weight Growth Velocity

How fast is my baby gaining weight? g/day vs. WHO norms.

Baby Height Growth Velocity

How fast should my baby grow in length? cm/month vs. WHO norms.

Is My Child Overweight?

CDC BMI-for-age percentile with lifestyle risk context (ages 2–19).

Healthy Weight Range Calculator

Healthy weight range for a child by age, sex, and height.

Formula Feeding Calculator

How much formula should my baby have?

Infant Tylenol Dose Calculator

Acetaminophen dose by weight.

Children's Ibuprofen Dose

Ibuprofen dose by weight for children.

Children's Benadryl Reference

Diphenhydramine dosing reference for ages 2+.

Amoxicillin Dose Reference

Weight-based amoxicillin dosing guide.

Breastmilk Storage Guide

How long does breast milk last?

Baby Registry Checklist

Must-haves, nice-to-haves, cost ranges, and what to skip.

Baby Bottle Size Guide

Bottle size, nipple flow, and feeding amounts by age.

Baby Gate Size Calculator

What size baby gate do I need? Width calculator by opening size.

Baby Shoe Size Chart

Find baby or toddler shoe size in US, UK & EU by foot length.

Children's Clothing Size Guide

Kids' clothing size in US, EU & UK by age, height, or weight.

Baby Sleep Needs Calculator

How much sleep does my baby need?

Baby Bedtime Calculator

What time should my baby go to sleep?

Wake Windows by Age

How long can my baby stay awake?

Sleep Training Readiness Checker

Is your baby ready for sleep training?

Nap Transition Guide

When to drop naps and how to transition.

Baby Daily Routine Builder

Generate a sample daily schedule by age.

Wake-Up Time Goal Calculator

Set a target wake time and get a full age-appropriate schedule.

Baby Milestone Checker

CDC developmental milestone checklist.

Language Development Red Flags

Is my toddler talking enough?

Developmental Red Flags Checker

Is my toddler developing normally?

Walking Age Predictor

Normal range for when babies start walking (9–18 mo).

First Words Timeline

When should my baby say their first word?

Gross Motor Development Tracker

Rolling, sitting, crawling, walking milestones by age.

Fine Motor Development Tracker

Pincer grasp, stacking, drawing skills by age.

Tummy Time Calculator

How much tummy time does my baby need?

Baby Vision Development

What can my baby see? Visual milestones by age.

Baby Hearing Milestones

Expected hearing behaviors and red flags by age.

Preemie Corrected Age Milestones

Developmental milestones for premature babies at corrected age.

Baby Teeth Eruption Chart

When do baby teeth come in? Full timeline for all 20 teeth.

First Dentist Visit Calculator

When should my baby have their first dental appointment?

Fluoride Toothpaste Age Guide

When to start fluoride toothpaste and how much to use by age.

Pregnancy Weight Gain Calculator

IOM-guided weight gain by trimester.

Fetal Kick Counter

Count fetal movements using the ACOG method.

Contraction Timer

Time contractions and 5-1-1 rule checker.

Fetal Size by Week

How big is my baby this week?

Postpartum Depression Screening

Edinburgh Postnatal Depression Scale (EPDS).

Pre-Pregnancy BMI Calculator

BMI before pregnancy + IOM weight gain recommendations.

Postpartum Recovery Timeline

Week-by-week recovery for vaginal birth and C-section.

C-Section Recovery Timeline

Day-by-day recovery stages, restrictions, and milestones.

Birth Plan Checklist Generator

Select preferences and generate a printable birth plan.

Hospital Bag Checklist

What to pack for the hospital — mom, partner, and baby.

Formula Preparation Guide

How to mix formula by concentration type.

Breastfeeding Calorie Calculator

Extra calories needed while breastfeeding.

When to Start Solid Foods

Is my baby ready for solid foods?

Baby Hunger Cues Reference

Recognize early, mid & late hunger cues.

Child Calorie Needs Calculator

Daily calorie needs by age, sex & activity.

Toddler Portion Size Guide

Age-appropriate food portions for toddlers.

Child Water Intake Calculator

How much water should my child drink daily?

Allergen Introduction Schedule

When & how to introduce the top 9 allergens.

Iron Needs Calculator

Daily iron requirements by age, sex & diet.

Breastfeeding vs Formula Cost

Year 1 cost comparison for your feeding plan.

Breast Milk Daycare Calculator

How many oz of breast milk to pack for daycare.

Pumping Session Duration Guide

How long to pump and how often, by stage.

Diaper Output by Age

How many wet & dirty diapers should my baby have per day?

Ear Infection Symptom Checker

Does my baby have an ear infection? Likelihood assessment.

Growth Red Flags Checker

When to see a doctor about your child's growth pattern.

Baby Fever Chart

When to call the doctor about a fever.

Dehydration Signs Checker

Signs of dehydration in babies & toddlers.

Baby Poop Color Guide

What does baby poop colour mean?

Car Seat Guide

Which car seat is right for my child?

Safe Sleep Checklist

AAP safe sleep environment guidelines.

Vaccine Schedule Generator

Personalised ACIP vaccine schedule by DOB.

Well-Child Visit Schedule

Upcoming checkup dates from birth.

Baby Temperature Reference

Safe temps for room, bath, formula & fever.

APGAR Score Calculator

Calculate and understand your newborn's APGAR score.

Pediatrician Visit Question Builder

Generate personalized questions for your baby's well-child checkup.

Childproofing Checklist by Age

Stage-by-stage childproofing checklist from pregnancy to preschool.

Home Safety Checklist

Room-by-room home safety checklist when you have a baby.

Screen Time Guide by Age

AAP screen time limits and practical tips by child's age.

Child Growth Journal

Log growth measurements and track upcoming well-visit dates.

Child Waist Circumference Chart

Waist-to-height ratio calculator and central adiposity reference (ages 2–18).

Skinfold Z-Score Reference

Triceps & subscapular skinfold percentile and Z-score (WHO MGRS, ages 3–60 mo).

Child Height Age Calculator

Find the age a child's height corresponds to at the 50th percentile.

Expected Weight for Height

WHO weight-for-height reference range for children (15th–85th percentile).

Scoliosis Screening Guide

AAP-based scoliosis screening recommendations by age, sex, and puberty stage.

Sports Readiness by Age

When can kids start organised sports? Age-readiness guide for 12 sports.