Free Parenting Tools

Calculators and guides based on medical guidelines. No signup needed, your data stays in your browser.

✓ Free✓ No signup✓ Evidence-based

These free parenting tools are built by the ParAI team and based on guidelines from the American Academy of Pediatrics (AAP), World Health Organization (WHO), and Centers for Disease Control (CDC). Every calculator runs entirely in your browser — we never send or store your data.

Use the sleep calculator to understand how much sleep your baby needs by age. Check growth with WHO percentile charts. Calculate milk or formula amounts with the feeding calculator. Track developmental progress with the CDC milestone checklist — from 2 to 84 months.

For continuous tracking with AI analysis, SmartSpot predictions, and personalized insights, download the free ParAI app for iOS and Android.

Due Date Calculator

Enter your last period or conception date to estimate your due date, current week, and trimester milestones.

Sleep Calculator

Enter your child's age to see recommended sleep hours, nap count, wake windows, and a sample schedule.

Feeding Calculator

How much should your baby eat? Get feeding guidelines for formula or breastfeeding based on age.

Growth Percentile

Enter your baby's measurements to see their growth percentiles based on WHO standards.

Diaper Cost Calculator

Calculate how many diapers your baby needs and what it'll cost. Get estimates based on age, brand, and buying habits.

Milestone Checker

Is your baby on track? Select their age to see expected developmental milestones based on CDC guidelines.

Baby Name Generator

Find the perfect name for your baby. Filter by gender, starting letter, origin, and length. Save your favorites!

Gender Predictor

Will it be a boy or a girl? Try the ancient Chinese gender prediction chart — just for fun!

Poop Color Guide

What's normal and what's not? An interactive visual guide to baby poop colors by age and feeding method.

Want More Than a Calculator?

ParAI tracks feeding, sleep, diapers, and milestones — with AI-powered analysis and personalized insights.