Privacy Policy

Last updated: June 2026

BabyPercent (babypercent.com) is a free baby growth percentile calculator. We respect your privacy and collect as little data as possible.

Medical disclaimer

BabyPercent is provided for general educational purposes only. It does not provide medical advice, diagnosis, or treatment, and is not a substitute for the advice of your pediatrician or other qualified health provider. Never disregard professional medical advice or delay seeking it because of something you read here. Always consult your pediatrician about your child's growth and health.

What you enter

The age, sex, weight and height you type into the calculator are processed entirely in your browser to compute percentiles. Your last entry is saved in your browser's local storage so the tool is ready next time you visit. This information never leaves your device and is never sent to us or any server. You can clear it any time by clearing your browser's site data.

Analytics

We use Google Analytics to understand aggregate, anonymous traffic patterns (such as which pages are popular). Google Analytics may set cookies. No personally identifying information is collected.

Advertising

We display ads through Google AdSense. Google and its partners may use cookies to serve ads based on your prior visits to this and other websites. You can opt out of personalized advertising by visiting Google's Ads Settings.

Children's privacy

BabyPercent is intended for use by parents and caregivers, not by children. We do not knowingly collect personal information from anyone, including children.

Contact

For privacy questions, contact us via the email listed in our domain registration.