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Pediatric Maintenance Fluids Calculator

Health
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Calculates maintenance intravenous fluid rates for children based on the Holliday-Segar method.

How To Use

How to use this calculator

Start with your values, or try a preset.

Step 1

Enter Weight (kg) in the units shown.

Step 2

Read Daily Fluid Requirement and Hourly Fluid Requirement in the results panel. Results update as you change the inputs.

Step 3

Choose a preset to load an example, then adjust the values for your situation.

Worked Examples

Example calculations

See the inputs and their calculated results.

10 kg Child

Weight (kg): 10

Daily Fluid Requirement: 1,000 mL/day; Hourly Fluid Requirement: 41.66666667 mL/hour

5 kg Child

Weight (kg): 5

Daily Fluid Requirement: 500 mL/day; Hourly Fluid Requirement: 20.83333333 mL/hour

15 kg Child

Weight (kg): 15

Daily Fluid Requirement: 1,250 mL/day; Hourly Fluid Requirement: 52.08333333 mL/hour

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Important

Use the result as an estimate and confirm any medical decisions with a qualified professional.