Osmolality Estimator (serum)

 

Input
 

Na		mEq/L
Glucose		g/dL gm/L gm/dL mcg/dL mg% mg/dL mg/mL ng/mL
BUN		g/dL gm/L gm/dL mcg/dL mg% mg/dL mg/mL ng/mL

 

Result
 

Osm		mOsm/dL mOsm/kg
Decimal Precision   0 1 2 3

 

 

Notes

• In this calculator, mcg is the abbreviation for micrograms.

 
Equations used
 

Osm = (Na * 2) + (Glucose / 18) + (BUN / 2.8)