Adjusted Age Calculator for Preemies
Calculate your premature baby's adjusted age by subtracting weeks born early from chronological age. Free preemie age tool.
Free Baby Calculators
20 toolsBaby age and milestone calculators. Browse our free baby tools below — no sign-up required.
Baby Age Calculator
Calculate your baby's exact age in months, weeks, and days from their birth date.
Baby Clothing Size Calculator
Find the right baby clothing size by weight and age. Size chart from Preemie to 24 months with brand comparison tips.
Baby Growth Tracker Calculator
Track your baby's weight, length, and head circumference together. Multi-measurement growth tracker with WHO chart comparisons.
Baby Head Circumference Percentile Calculator
Check your baby's head circumference percentile using WHO growth charts. Enter age, measurement, and sex for results.
Baby Height Percentile Calculator
Check your baby's length-for-age percentile using WHO growth charts with age, length, and sex inputs.
Baby Nap Schedule Calculator
Generate a personalized nap schedule for your baby based on age, wake time, and wake windows. Plan naps from morning to bedtime.
Baby Proofing Cost Calculator
Estimate the cost of baby proofing your home. Cabinet locks, outlet covers, gates, furniture anchors, and more.
Baby Shoe Size Calculator
Find the right baby shoe size by age and foot length. Size chart from newborn to toddler with measuring tips.
Baby Sleep Schedule Calculator
Calculate ideal sleep hours for your baby by age. Get total sleep, nap, and nighttime recommendations from newborn to 3 years.
Baby Wake Window Calculator
Find the ideal wake window for your baby by age. Avoid overtiredness with age-appropriate awake times from newborn to 2 years.
Baby Weight Percentile Calculator
Check your baby's weight percentile using WHO growth charts. Enter age, weight, and sex to see where your child falls.
Baby Wipe Cost Calculator
Calculate monthly and yearly baby wipe costs. Estimate usage from newborn to toddler based on wipes per day and per-wipe price.
Car Seat Guide Calculator
Find the right car seat type for your child by age, weight, and height. Rear-facing, forward-facing, and booster recommendations.
Child BMI Calculator
Calculate your child's BMI and CDC percentile for age. For children ages 2-20. Enter age, sex, height, and weight.
Diaper Cost Calculator
Calculate total diaper costs from birth to potty training. Estimate monthly and yearly expenses based on diapers per day and price.
Diaper Rash Treatment Cost Calculator
Estimate the cost of treating diaper rash including barrier cream, prescriptions, and home remedies. Plan your baby care budget.
Diaper Size by Weight Calculator
Find the right diaper size for your baby's weight. Size chart from Newborn through Size 7 with weight ranges and tips.
Pacifier Cost & Weaning Calculator
Calculate pacifier costs over time and plan a weaning timeline. Compare pacifier types and estimate total spending from birth to weaning.
Stroller Cost Comparison Calculator
Compare stroller types and costs: full-size, lightweight, jogging, double, and travel system. Find the best value for your needs.