Shift net fluid balance (I&O)
Net fluid balance = intake - output, optionally as percent of body weight (>=10% flags fluid overload).
Open the calculator → Runs in your browser. Data leaves only if you deliberately send a problem report from the interactive tool.
Example
- Total intake
- 3000 mL
- Total output
- 2200 mL
- Weight
- 80 kg
Result: Net balance +800 mL (1.0% of body weight).
The tool opens with these values already filled in. Replace them with your own.
What you enter
- Total intake
- Total output
- Weight
How this is calculated
Malbrain MLNG, et al. Principles of fluid management and stewardship in septic shock. Ann Intensive Care. 2018;8(1):66. Net I&O balance; cumulative >10% of body weight flags fluid overload. Read the source ↗
A reference and educational tool. Not medical, legal, or financial advice, and not a substitute for clinician judgment.