Laboratory Medicine · Internal Medicine

Phosphate mmol/L to mg/dL calculator

Enter the published formula inputs below to calculate and interpret this score.

Clinical inputs

Phosphate (mmol/L)

mg/dL

Allowed range: 0–309690.31 mg/dL

Result

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Clinical inputs

Phosphate (mmol/L)Accepted range: 0.001 to 99999

Primary source

Labcorp SI Unit Conversion Table (Conventional to SI / SI to Conventional columns). Phosphorus, serum (inorganic phosphate reported as phosphorus): mmol/L × 3.10 = mg/dL; this calculator divides by 0.323 (= × 3.096) (phosphorus atomic mass 30.97 g/mol). (2026)

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