Daily Fluid Requirements Calculator
Calculate daily fluid requirements using Holliday-Segar method
About this calculator
The Daily Fluid Requirements Calculator uses the Holliday-Segar method to determine optimal daily fluid intake based on body weight. This medically-recognized formula is essential for healthcare professionals calculating fluid needs for patients, particularly in pediatric and clinical settings. The calculator helps prevent dehydration and fluid overload by providing precise, weight-based fluid requirements that account for metabolic needs and physiological factors.
How to use
Simply enter the patient's body weight in kilograms into the calculator. The tool will automatically apply the Holliday-Segar formula: 100ml/kg for first 10kg, 50ml/kg for next 10kg, and 20ml/kg for remaining weight. The calculator instantly displays the total daily fluid requirement in milliliters.
Frequently asked questions
What is the Holliday-Segar method?
A widely-used medical formula that calculates daily fluid needs based on body weight, considering metabolic requirements and kidney function for optimal hydration.
Is this calculator suitable for all ages?
Yes, the Holliday-Segar method works for all ages, though it's most commonly used in pediatric medicine and clinical settings.
Should I include all fluids in the daily requirement?
Yes, the calculated amount includes all fluid intake: water, milk, juices, and fluid content from food sources throughout the day.