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Newborn & beyond

Once they're here — feeding, sleep, dosage, diapers, sizing, solids.

  • Formula Feeding Calculator
    AAP-aligned formula amounts: ounces per day, per feeding, and how often, by baby weight + age.
  • Breast Milk Storage Calculator
    CDC breast milk storage time limits at room temperature, fridge, freezer, and after thawing.
  • Solids Readiness Calculator
    AAP and WHO 8-sign readiness checklist for starting solid foods.
  • Diaper Calculator
    Diaper size by weight plus daily, weekly, monthly, and yearly count, with annual cost estimate.
  • Baby Sleep Calculator
    Total sleep, number of naps, and wake-window length by age. AASM-aligned, Iglowstein norms.
  • Baby Clothes Size by Age
    Brand-consensus clothing size by age with weight and height ranges.
  • Children's Tylenol & Motrin Dosage
    AAP-aligned acetaminophen and ibuprofen doses by child weight, exactly as printed on the bottle.
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