Maintenance Fluid Calculation for Children

 

Input
 

Weight

kg lb

 

Results
 

Daily Volume (mL)
Fluid Rate		L/hr mL/hr mL/min

 

 

Notes

• For infants 3.5 to 10 kg the daily fluid requirement is 100 mL/kg.
• For children 11-20 kg the daily fluid requirement is 1000 mL + 50 mL/kg for every kg over 10.
• For children >20 kg the daily fluid requirement is 1500 mL + 20 mL/kg for every kg over 20, up to a maximum of 2400 mL daily.
• Please note that this calculation does not apply to newborn infants (ie, from 0 to 28 days after full term delivery).

 
Equations used
 

FluidRate = DailyVol / 24

 

 

References

1. Holliday MA, Segar WE. The maintenance need for water in parenteral fluid therapy. Pediatrics. Vol. 19, 1957 823-832. PubMed ID: 13431307