Baby Essentials Calculators

Woman interacting with a baby in a crib in a bedroom setting

Preparing for your little one can feel overwhelming. Our simple baby calculators take the guesswork out of getting ready — from working out your due date to knowing how many cot sheets, sleeping bags and muslins you'll need.

A woman lying on a bed with the bliss pregnancy pillow and decorative pillows in a cosy bedroom setting.
Due Date Calculator: Find Your Baby's Due Date

Planning for your little one starts with knowing when they might arrive. Our UK due date calculator makes it simple to estimate your baby's due date using your last period, conception date or IVF transfer date. Discover how due dates are calculated, what to expect throughout each trimester and when to start getting your nursery ready.

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Pregnant woman relaxing on the bed with the Tiny Tails pregnancy pillow in pink print, supporting bump, back and hips for restful comfort.
Hospital Bag Calculator & Checklist: UK Guide

Getting your hospital bag ready by week 36 can make those final weeks of pregnancy feel a little more organised. This UK hospital bag checklist covers the essentials for you, your birth partner and your baby, including what to pack, what NHS maternity units typically provide, and seasonal and feeding considerations.

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Overhead view of baby resting in the CoZee Air 2 bedside crib in blush, positioned securely alongside the parent’s bed.
The Complete Baby Sleep Essentials Checklist

Preparing your baby’s sleep space doesn’t have to be complicated. Our baby sleep checklist covers the essentials at every stage, from newborn nights to moving into a cot bed, helping you create a safe, comfortable sleep space without the unnecessary extras.

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Top-down view of a white baby cot bed with a speckled white mattress and fitted sheet, placed on a woven rug beside a light wood floor and a small blanket.
How Many Cot Sheets Do I Need? A Practical Guide

Wondering how many cot sheets you really need for your baby? Our handy cot sheet calculator takes the guesswork out of preparing your nursery, helping you work out how many sheets to have based on your washing routine, changing frequency and everyday needs. Find out what you need to keep your baby's cot fresh, comfortable and ready for sleep.

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Three baby muslins hanging on a wooden rack against a beige wall.
How Many Muslins Do I Need for a Newborn?

Muslins are one of those baby essentials you’ll reach for time and time again. From feeds and cuddles to unexpected spills, they’re practical, versatile and a must-have for those early days. But how many will you need? Find out and explore the different types and sizes. Our handy calculator will work out what’s right for your family.

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A baby with a cream animal printed sleep bag lying on a cot bed.
How Many Baby Sleeping Bags Do I Need?

Sleeping bags are a newborn essential, but knowing how many you’ll actually need can be tricky. From unexpected nappy changes to milk spills and those extra outfit changes, there’s more to consider than you might think. Read our guide and use our handy calculator to work out how many sleeping bags you’ll need for your little one.

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