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OGTT 3-Hour Glucose unit converter

Convert OGTT 3-Hour glucose between mg/dL, mmol/L and g/L. Type in either box. The factors come from our catalog and are checked by code.

AI-verified against cited sources. Awaiting expert reviewLast reviewed 2026-10-03

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1 mg/dL = 0.0555 mmol/L. Nothing you type here leaves your browser.

The conversion

  • 1 mg/dL = 0.05551 mmol/LFrom mg/dL to mmol/L: divide by 18.02. Back again: multiply by 18.02.
  • 1 mg/dL = 0.01 g/LFrom mg/dL to g/L: divide by 100. Back again: multiply by 100.

Mass and molar units are linked by the molecular weight: 180.16 g/mol (D-glucose, C6H12O6 (PubChem CID 5793)). Source: PubChem, National Library of Medicine.

Usual ranges in each unit

What labs print as the reference range, by who was tested. Sources for each range are on the OGTT 3-Hour Glucose page.

Usual ranges for OGTT 3-Hour Glucose in mg/dL, mmol/L and g/L
Whomg/dLmmol/Lg/L
Women, pregnancy t2up to 139up to 7.7up to 1.39
Women, pregnancy t3up to 139up to 7.7up to 1.39