This tool allows you to convert a typical United States measure of blood glucose (milligrams per deciliter, or mg/dL) to a measurement more common in European countries and countries using the metric system (millimoles per Liter, or mmol/L).

What are good blood sugar levels?

Everyone has some sugar in their blood. The normal amount of sugar in the blood ranges from about 70 mg/dL to about 120 mg/dL in people who don’t have diabetes. Blood sugar goes up after eating, but returns to the normal range in 1 or 2 hours.

A good blood sugar range for most poeple with diabetes is from about 70 mg/dL to 150 mg/dL. This is before a meal – like before breakfast or 4 to 5 hours after you last meal. Your blood sugar should be less than 200 mg/dL about 2 hours after your last meal. The American Diabetes Association recommends an A1c of 7% or lower.

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