Osmolality Calculator
Laboratory Values*
mEq/L
mg/dL
mg/dL
Osmolal Gap (Optional)
mOsm/kg
Results
0.0mOsm/kg
Normal: 280-310 mOsm/kg
Abnormal
Awaiting calculation
Normal: <10 mOsm/kg
Requires measured osmolality
Formula Used:
2(Na+) + [Glucose/18] + [BUN/2.8]
Reference: Clinician's Brief, 2018
This calculator is intended as a guide for use by veterinary professionals only. It is not a substitute for professional interpretation, diagnosis, or treatment. Calculations may not be accurate for all individuals or circumstances. Always use professional judgement and verify all calculations before use in clinical practice.