Clinical Calculators
Enter patient details once, then move between fluid, energy, and protein calculators.
Patient Details
Energy Inputs
Reference Guide
Common Activity Factors
| Situation | Factor |
|---|---|
| Bed rest / very low activity | 1.0–1.1 |
| Light activity | 1.2 |
| Moderate activity | 1.3–1.5 |
| High activity | 1.6–1.9 |
Common Stress / Illness Factors
| Situation | Factor |
|---|---|
| Well / no major stress | 1.0 |
| Mild illness / minor stress | 1.1–1.2 |
| Moderate illness / post-op | 1.2–1.4 |
| Severe infection / major stress | 1.4–1.6 |
| Burns / major trauma | 1.5–2.0 |
Schofield is generally the more common choice in paediatrics. Harris-Benedict is more commonly used in adults and requires height.
Energy Results
Enter the required inputs to calculate energy requirements.
Clinical note
These calculators provide estimates only and should be interpreted with clinical judgement, diagnosis, growth pattern, intake route, body composition, and local clinical guidelines.