Free tools for moms

Calculators and practical guides based on WHO data to track your baby's development.

Ideal Baby Weight Calculator

Find out if your baby’s weight is within a healthy range using WHO standards.

Calculate your gestational age in weeks and days from your last menstrual period (LMP) or conception date.

Find out your estimated due date based on your last menstrual period or conception date.

Find out when and how to introduce solid foods to your baby.

Calculate your child’s Body Mass Index (BMI) and compare it with WHO standards for children aged 0 to 5 years.