mg/dL to mmol/L calculator for OGTT (Oral Glucose Tolerance)

Use this page to convert ogtt (oral glucose tolerance) between mg/dL and mmol/L with the correct factor for this test.

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You landed here from a value-specific search. You can change the number, switch mmol/L ↔ mg/dL, or pick another analyte while keeping the same conversion engine.

Conversion settings

Standard conversion for this test between mmol/L and mg/dL.

Conversion factor: 1 mmol/L ≈ 18 mg/dL

How this OGTT glucose conversion is calculated

General formula: mg/dL ÷ 18 = mmol/L

  • 1. Start with the value in mg/dL: 100.
  • 2. Divide by the analyte-specific factor: 100 ÷ 18.
  • 3. Result in mmol/L: ≈ 5.555555555555555.

Tips and important notes for OGTT glucose

  • OGTT values are taken at fixed times after a measured glucose drink.
  • Diagnosis cut-offs are time-specific, such as 2-hour glucose values.
  • Only trained professionals should interpret OGTT results for diagnosis.

Common questions about this OGTT glucose value