Merck Manual

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Holliday-Segar Formula for Maintenance Fluid Requirements by Weight

Holliday-Segar Formula for Maintenance Fluid Requirements by Weight

Weight (kg)

Water

Electrolytes (mEq/L H2O and mmol/L H2O)

mL/day

mL/hour

0–10

100/kg

4/kg

Sodium 30

Potassium 20

11–20

1000 + 50/kg for each kg > 10

40 + 2/kg for each kg > 10

Sodium 30

Potassium 20

> 20

1500 + 20/kg for each kg > 20

60 + 1/kg for each kg > 20

Sodium 30

Potassium 20