Free baby tools

Free baby calculators and charts that work in your browser, no sign-up. They give typical ranges, not medical advice.

Feeding

• Baby feeding calculator
• Baby feeding chart
• Formula calculator
• Ounces to ml converter
• Breastfeeding timer
• Pumping log

Sleep

• Wake window calculator
• Nap schedule calculator
• Baby sleep schedule tool
• Sleep regression calculator

Growth and development

• Growth percentile calculator
• Baby age calculator
• Corrected age calculator
• Milestone checker

Diapers and printables

• Diaper count calculator
• Printable baby tracker

Download Tot free on the App Store or Google Play. Free with ads; optional Premium.

Sources

• AAP HealthyChildren.org: How Often and How Much Should Your Baby Eat?: www.healthychildren.org (accessed 21 October 2026)
• WHO: Child Growth Standards: www.who.int (accessed 21 October 2026)

Medical disclaimer:

Tot and this website give general information only. Feeding, sleep and growth ranges vary; always follow your pediatrician's advice. If your baby is unwell, contact your doctor or emergency services.