RCUK PALS · 2025

Paediatric Emergency
Drug Calculator

Based on Resuscitation Council UK PALS Guidelines 2025 · Verify against BNFc

⚠ Clinical Disclaimer Not a prescription. Responsibility for prescribing, checking, and administration remains with the clinician. Always verify against local and national formularies.
yr
mo
days
kg · blank = estimate from age
optional
WETFLAG — Emergency Reference
W Weight
E Energy 4 J/kg
T Tube (U/C) — cm lip
F Fluid bolus 10 mL/kg
L Lorazepam 0.1 mg/kg
A Adrenaline 1:10,000 IV
G Glucose 10% 2 mL/kg
Normal Ranges
HR (bpm)
SBP (mmHg)
DBP (mmHg)
MAP (mmHg)
RR (/min)
Min SBP (5th %ile)
Enter age and/or weight above to generate drug doses