Mom and Baby Calculators

All of Wamory’s free tools in one place: a due date calculator with the Hijri date, a baby growth percentile calculator (WHO), clothing, shoe and diaper size finders, milk amount and breast milk expiry calculators, sleep by age and an interactive newborn checklist.

Choose a calculator

Pregnancy due date calculatorDue date (Gregorian and Hijri) and weeks pregnant.Baby growth percentile calculatorCompare height and weight with WHO standards and see the percentile.Baby clothes size finderFrom height or age to size, newborn to 14 years.Baby shoe size calculatorFrom foot length to EU and US size.Diaper size calculatorThe right size for your baby’s weight and diapers per day.Baby milk amount calculatorDaily and per-feed ml by weight and age.Breast milk expiry calculatorWhen expressed milk expires at room temperature, in the fridge or freezer.Baby sleep calculatorSleep hours, naps and a suggested bedtime by age.Interactive newborn checklist28 items with quantities; tick and print.

About these tools

Each tool is based on a known source (WHO, CDC, the American Academy of Sleep Medicine and common size charts) and gives an estimate for general guidance. Your doctor is the reference for health questions.