Urine & CSF

Potassium (spot urine): convert mg/dL to mmol/L

mmol/L = mg/dL × 0.2558

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mg/dL mmol/L

mg/dL → mmol/L	mmol/L = mg/dL × 0.2558
mmol/L → mg/dL	mg/dL = mmol/L × 3.91

Source: PubChem: periodic table element data · Last reviewed: 2026-10-19

How do I convert Potassium (spot urine) from mg/dL to mmol/L?

mmol/L = mg/dL × 0.2558. For example, 10 mg/dL equals 2.56 mmol/L.

How many mmol/L are 10 mg/dL?

10 mg/dL equal 2.56 mmol/L (Potassium (spot urine)).

How do I convert Potassium (spot urine) from mmol/L back to mg/dL?

mg/dL = mmol/L × 3.91.