Calculators

Catch-Up

Calculate the minimum-interval catch-up vaccine schedule for any patient age, using the current ACIP rules.

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Growth

Plot weight, length/height, head circumference, and BMI against WHO, CDC, and Fenton 2025 references.

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Bilirubin

AAP 2022 phototherapy and exchange thresholds for newborns ≥35 weeks, with neurotoxicity risk factors.

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GA Calc

Convert between LMP, EDD, and ultrasound dating; track corrected age for preterm follow-up.

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Dosing

Weight-based pediatric dosing with max-dose caps for the most common outpatient medications.

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eGFR

Bedside Schwartz 2009 eGFR estimation with KDIGO CKD staging for children 1–16.

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Strep Score

Centor / McIsaac score for streptococcal pharyngitis with age modifier and McIsaac probability bands.

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IV Fluids

Holliday-Segar 4-2-1 maintenance fluids + dehydration deficit replacement with shock bolus guidance.

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Anaphylaxis

Weight-based epinephrine dosing, auto-injector size, and Broselow length-to-weight estimation.

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Asthma / Croup

Westley croup score and PRAM asthma severity with treatment-tier banding.

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Coma Scales

Pediatric Glasgow Coma Scale (verbal & pre-verbal) and FOUR Score with severity bands.

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UTICalc

Pre-test UTI probability for febrile infants 2–24 months (simplified model — links to canonical Pittsburgh tool).

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PECARN Head

PECARN ciTBI rule for pediatric head injury with age-stratified CT decision support.

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Kaiser EOS

Approximate neonatal early-onset sepsis risk for infants ≥34 weeks (links to canonical Kaiser tool).

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