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Internal Medicine · Endocrinology

Total Cholesterol mg/dL to mmol/L calculator

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

Clinical inputs

mg/dL

Allowed range: 50–600 mg/dL

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Clinical inputs

  • Cholesterol (mg/dL)Accepted range: 50 to 600

Primary source

Labcorp SI Unit Conversion Table (Conventional to SI / SI to Conventional columns). Cholesterol: mg/dL × 0.0259 = mmol/L; mmol/L × 38.61 = mg/dL. This calculator divides by 38.67, the factor from the molar mass of cholesterol (386.65 g/mol); the two factors differ by 0.15%. (2026)

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