Paediatrics · ICU and Critical Care

Holliday–Segar Maintenance Intravenous Fluids calculator

Enter the published formula inputs below to calculate and interpret this score.

Clinical inputs

Body weight

Allowed range: 2.2–264.55 lb

Result

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Clinical inputs

Body weight (kg)Accepted range: 1 to 120

Primary source

Holliday MA, Segar WE. The maintenance need for water in parenteral fluid therapy. Pediatrics. DOI: 10.1542/peds.19.5.823. PMID: 13431307. Scope: daily maintenance IV fluid rate (mL/24 h): 100 mL/kg for the first 10 kg, plus 50 mL/kg for the next 10 kg, plus 20 mL/kg for each kg above 20 kg. (1957)

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