Free baby tools. For your next little question.

Due date calculator

Estimate your due date from your last period or a known conception date. See the method, assumptions and a printable date card.

Weight percentile calculator

See a weight measurement in context with a WHO reference chart.

Name finder

Baby names

Baby name finder

Find baby names by modern, traditional or nature-inspired style. Explore SSA 2025 popular names, filter by letter and save your favorites.

Pregnancy calculator

Build a pregnancy timeline from your last period. Explore estimated due date, weeks and days, trimester boundaries and planning links.

6-month sleep planner

Explore a flexible example day with two or three naps.

Tracker

Pumping tracker

Log sessions, see daily milk totals and export your history.

Adjusted age calculator

Compare chronological and corrected age for babies born early.

Feeding & diaper journal

Remember feeds and diaper changes in a printable daily log.

Interactive guide

Understand growth percentiles

Explore what a percentile means, one little dot at a time.

Explore the guide

How many weeks pregnant?

Calculate how many weeks and days pregnant you are using your due date or last period. Includes completed weeks, current week and trimester.

Weeks to months

Convert pregnancy weeks and days to approximate calendar months. Understand why four weeks is not always one month.

Interactive guide

Pregnancy week by week

Explore pregnancy week by week with 40 practical planning prompts, a trimester guide and links to useful pregnancy tools.

Checklist

Hospital bag checklist

Build a hospital bag checklist for you, your baby and your support person. Add custom items, save progress locally and print your list.

Template

Birth plan builder

Create a printable birth plan with your communication, support, comfort and newborn-care preferences. No signup; preview before printing.

Pregnancy journal

Keep a pregnancy journal with dated entries, optional week labels and gentle prompts. Save on this device and export your notes.

Baby registry & budget

Plan a baby registry by category, quantity and estimated cost. Mark what you already own and calculate the remaining budget.

Timer

Contraction timer

Time contractions and record duration and start-to-start frequency. Export a simple log to discuss with your maternity care team.

4-month sleep planner

Build an illustrative 4-month-old sleep schedule. Adjust wake time, nap count, nap length and awake intervals, then print your sample day.

5-month sleep planner

Build an illustrative 5-month-old sleep schedule. Adjust wake time, nap count, nap length and awake intervals, then print your sample day.

7-month sleep planner

Build an illustrative 7-month-old sleep schedule. Adjust wake time, nap count, nap length and awake intervals, then print your sample day.

Wake-window journal

Understand wake windows by age and record your baby’s actual awake intervals. Includes a 3-month wake-window guide and exportable journal.

Sleep-change diary

Explore sleep regression ages without a rigid calendar. Compare recorded sleep and night waking, and keep notes for your pediatrician.

Interactive guide

Baby milestones

Explore selected baby milestones at 4, 6 and 9 months. Learn about rolling, laughing, sitting and crawling, and keep dated observations.

Tracker

Breastfeeding tracker

Track breastfeeding sessions by left or right side with a simple timer or manual entry. Save local records and export a feeding history.

Meal planner

Baby led weaning planner

Explore baby led weaning with a free printable meal planner, readiness guide and food preparation reminders. Plan first foods without a rigid schedule.

Food journal

Picky eater journal

Support your picky eater with a free food exploration journal. Record foods offered, notice changing preferences and export a gentle, pressure-free mealtime log.