This handy FENa calculator provides quick and easy results. Simply input the necessary data to calculate your FENa percentage:
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
A straightforward calculator that delivers as promised.