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The Blood Sugar Unit Converter translates blood glucose readings between mg/dL (United States) and mmol/L (UK, Europe, Australia, Canada) — the two standards used worldwide. Conversion factor: mg/dL ÷ 18.0182 = mmol/L. The calculator also categorizes the reading (hypoglycemia, normal, prediabetes, diabetes) based on whether it is a fasting or postprandial (after-meal) measurement.
Formel
mmol/L = mg/dL ÷ 18.0182
- G
- Glucose (mg/dL or mmol/L) — Blood glucose value
Trinn-for-trinn guide
- 1Enter your blood glucose value
- 2Select the source unit (mg/dL or mmol/L)
- 3Select fasting or postprandial context
- 4Calculator outputs the converted value and clinical category
- 5Reference ranges follow ADA / WHO guidelines
Løste eksempler
Inndata
100 mg/dL fasting
Resultat
5.6 mmol/L — Normal
Inndata
8.0 mmol/L postprandial
Resultat
144 mg/dL — Normal
Inndata
180 mg/dL fasting
Resultat
10.0 mmol/L — Diabetes range
Vanlige feil å unngå
- ✕Confusing fasting and post-meal ranges
- ✕Applying the same threshold internationally without converting units
Ofte stilte spørsmål
Why two units?
Historical — the US adopted mg/dL while most of the world uses mmol/L (SI units). Both are correct; the conversion factor is fixed.
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