Parenting Calculators & Converters
Save to PinterestShopping for a baby in a different country or figuring out how many diapers to stock for a newborn — these are the practical questions new parents face every day. This collection covers the three parenting reference tools people reach for most: baby clothing size conversions for cross-border shopping, kids shoe size conversions, and a diaper usage estimator for budgeting how many diapers to buy in each stage. Sizing charts are drawn from ISO standards and published manufacturer tables.
All Parenting Tools
Baby Clothing Size Chart by Age
Find the right baby clothing size by age in months. US, EU, and UK size equivalents for newborn through 4T. Includes a full size chart.
Kids Shoe Size Chart by Age and Foot Length
Find kids shoe sizes by foot length (inches or cm) and age. US, EU, and UK shoe size equivalents from infant to youth. Full size chart included.
Diaper Usage Estimator — How Many Diapers Per Day?
Estimate how many diapers your baby needs per day and per month by age. Use for budgeting diaper purchases and stocking up before a newborn arrives.
