Tools & Calculators

Fourteen free calculators and planners for pregnancy, feeding, sleep and growth. Nothing is stored โ€” everything runs in your browser.

Every calculator below is free, needs no sign-up and runs entirely in your browser โ€” nothing you type is sent to us or stored anywhere. Use them to plan appointments, sanity-check a routine or simply satisfy your curiosity, then confirm anything clinical with your midwife, doctor or paediatrician.

Baby Name Generator

Blend origin, gender and starting letter to discover names from our dictionary.

Results are estimates for general information only and are not medical advice. Always confirm with your midwife, doctor or paediatrician.

Nickname Generator

Turn any first name into sweet, short and playful nicknames.

Results are estimates for general information only and are not medical advice. Always confirm with your midwife, doctor or paediatrician.

Due Date Calculator

Estimate your due date from your last period, conception date or IVF transfer.

Results are estimates for general information only and are not medical advice. Always confirm with your midwife, doctor or paediatrician.

Pregnancy Calculator

See exactly how many weeks and days pregnant you are today, plus your trimester.

Results are estimates for general information only and are not medical advice. Always confirm with your midwife, doctor or paediatrician.

Ovulation Calculator

Find your fertile window and likely ovulation day for the next three cycles.

Results are estimates for general information only and are not medical advice. Always confirm with your midwife, doctor or paediatrician.

Conception Calculator

Work backwards from your due date to the likely conception window.

Results are estimates for general information only and are not medical advice. Always confirm with your midwife, doctor or paediatrician.

Baby Growth Calculator

Track weight and length gain against typical growth for your babyโ€™s age.

Results are estimates for general information only and are not medical advice. Always confirm with your midwife, doctor or paediatrician.

Baby Height Predictor

Estimate adult height using the mid-parental height method.

Results are estimates for general information only and are not medical advice. Always confirm with your midwife, doctor or paediatrician.

Baby Weight Calculator

Convert and compare your babyโ€™s weight, and see expected gain by age.

Results are estimates for general information only and are not medical advice. Always confirm with your midwife, doctor or paediatrician.

Vaccination Schedule

Generate a personalised immunisation timeline from your babyโ€™s birth date.

Results are estimates for general information only and are not medical advice. Always confirm with your midwife, doctor or paediatrician.

Baby Sleep Calculator

Get age-appropriate nap windows and an ideal bedtime for tonight.

Results are estimates for general information only and are not medical advice. Always confirm with your midwife, doctor or paediatrician.

Baby Feeding Planner

Estimate daily milk volume and feed spacing by weight and age.

Results are estimates for general information only and are not medical advice. Always confirm with your midwife, doctor or paediatrician.

Baby Food Planner

Build a weaning plan with stage-appropriate textures and foods.

Results are estimates for general information only and are not medical advice. Always confirm with your midwife, doctor or paediatrician.

Fertility Calculator

Estimate your most fertile days and monthly conception odds.

Results are estimates for general information only and are not medical advice. Always confirm with your midwife, doctor or paediatrician.

Baby Age Calculator

Your babyโ€™s exact age in years, months, weeks and days, plus corrected age.

Results are estimates for general information only and are not medical advice. Always confirm with your midwife, doctor or paediatrician.

Baby Milestone Tracker

See which milestones are typical now and what usually comes next.

Results are estimates for general information only and are not medical advice. Always confirm with your midwife, doctor or paediatrician.

Toddler Growth Tracker

Compare a toddlerโ€™s height and weight with typical growth for their age.

Results are estimates for general information only and are not medical advice. Always confirm with your midwife, doctor or paediatrician.

Breastfeeding Tracker

Log feeds and sides, and see daily totals and average gaps.

Results are estimates for general information only and are not medical advice. Always confirm with your midwife, doctor or paediatrician.

Baby Name Numerology Calculator

Chaldean numerology for any name, with lucky number, planet, day and colour.

Results are estimates for general information only and are not medical advice. Always confirm with your midwife, doctor or paediatrician.

Baby Name Compatibility Checker

Check how a first name pairs with a surname or a siblingโ€™s name.

Results are estimates for general information only and are not medical advice. Always confirm with your midwife, doctor or paediatrician.

Baby Name Meaning Finder

Look up the meaning, origin and pronunciation of any name in our dictionary.

Results are estimates for general information only and are not medical advice. Always confirm with your midwife, doctor or paediatrician.

AI Baby Name Generator

Describe the feeling you want and get matched names from our dictionary.

Results are estimates for general information only and are not medical advice. Always confirm with your midwife, doctor or paediatrician.

BMI Calculator

Check pre-pregnancy or postpartum BMI with metric or imperial units.

Results are estimates for general information only and are not medical advice. Always confirm with your midwife, doctor or paediatrician.