For qualified healthcare professionals only. Holliday-Segar provides maintenance fluid estimates only. It does not account for deficit or ongoing losses — these must be calculated and added separately. Clinical assessment is mandatory. Adjust for fever, burns, oedema, diarrhoea, and cardiorespiratory status. Report an error
Clinically reviewed by
Dr. Chioma Okafor, FWACP (Paeds)
Consultant Paediatrician, University of Nigeria Teaching Hospital
Updated
2025-10-01
2025-10-01
Step 1 — Country
Step 2 — Patient Weight
Use actual body weight for children under 10 kg. For overweight children, use ideal body weight to avoid fluid overload.
Age band (optional — sets typical weight)
kg
—
Hourly Rate
Maintenance IV Fluid Rate
— mL/hour
Holliday-Segar Breakdown
| Weight Segment | Rate Rule | mL/day (this seg.) | Cumulative mL/day |
|---|
Recommended Fluid Type
Daily Electrolyte Requirements
Holliday-Segar Quick Reference — Common Weights
| Weight | mL/day | mL/hour | Age guide |
|---|