SwaddleFree baby tools
Quick answers that work in your browser. No sign-up, nothing to download. Each one explains how it works and where its numbers come from.
Wake window calculator
Enter their age and when they woke up. See when the next nap is likely.
Sleep schedule maker
A sample day of naps and bedtime for your baby’s age and wake-up time.
Bedtime calculator
The bedtime that fits their age, morning wake-up and last nap.
White, pink and brown noise
Play steady noise in your browser, with a timer and safe-volume tips.
What to wear to sleep
Room temperature in, TOG and layers out.
Formula calculator
How many ounces a day and per bottle, by weight and age.
Breast milk calculator
How much pumped milk to put in each bottle.
Baby age calculator
Age in weeks, months and days, plus adjusted age for preemies.
Baby percentile calculator
Weight, length and head percentiles on the WHO growth charts.
Baby schedule template
A printable day plan for your nanny or babysitter, filled in for your baby’s age.
Printable newborn log
A one-page feed, sleep and diaper log to print.