About this app
Fractional Excretion of Sodium (FENa). Quick and easy to use FENa calculator. Enter the required data to get FENa percentage result: Plasma Sodium: mmol/L or mEq/L Plasma Creatinine: mg\dL or µmol/L Urine Sodium: mmol/L or mEq/L Urine Creatinine: mg\dL or µmol/L No fuss calculator. Does what it says on the tin.
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What’s New
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Audience growth
Ratings growth
Baseline captured. Growth appears after the crawler observes a changed rating count.
Momentum comes from crawler snapshots for the tracked storefront. “Viral growth signal” means unusually fast recent rating gains; it is an indicator, not download data.
Price tracking
Price intelligence
First snapshot captured. The trend line starts after the next crawler price observation.
- First observed Aug 12, 2026 · 5:53 PM Free
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