Blood Sugar Unit Converter

    Convert blood glucose readings between mg/dL and mmol/L (educational only).

    Reference Ranges (Fasting)

    Normal70–99 mg/dL / 3.9–5.5 mmol/L
    Pre-diabetes100–125 mg/dL / 5.6–6.9 mmol/L
    Diabetes≥ 126 mg/dL / ≥ 7.0 mmol/L

    Formula: mmol/L = mg/dL ÷ 18.0182. Educational only - not medical advice.