Enteral Free-Water & Flush Target
ASPEN 2017 enteral free-water math: free water in formula = daily volume x free-water fraction; additional flush to goal, split per q6h shift.
Open the calculator → Runs in your browser. Data leaves only if you deliberately send a problem report from the interactive tool.
Example
- Daily formula volume
- 1200 mL/day
- Formula free-water fraction
- 84 %
- Daily free-water goal
- 1500 mL
Result: 1008 mL/day free water from formula; 492 mL/day additional flush (123 mL q6h).
The tool opens with these values already filled in. Replace them with your own.
What you enter
- Daily formula volume
- Formula free-water fraction
- Daily free-water goal
How this is calculated
Boullata JI, et al. ASPEN Safe Practices for Enteral Nutrition Therapy. JPEN J Parenter Enteral Nutr. 2017;41(1):15-103. Free water in formula = daily volume x free-water fraction; flush = goal - delivered. Read the source ↗
A reference and educational tool. Not medical, legal, or financial advice, and not a substitute for clinician judgment.