What is normal blood sugar range?

Depends . . . If fasting, 60-99mg/dl is considered normal. 100-125mg/dl is impaired fasting and 125mg/dl or greater on two separate occasions defines diabetes. Random >200mg/dl plus symptoms also defines diabetes. Think of blood sugar like speedometer in car which varies all time depending upon road conditions. Average speed is akin to hemoglobin a1c which is average sugar over last 3 months, ideally <5.7%.
Depends. Without food 60-120 after a meal 60-200 hba1c is an average sugar value over the last 6 weeks and best for evaluation.

Related Questions

What is the healthy, normal blood sugar range for a non-diabetic adult 2 hours after eating a meal?

Blood Glucose. For someone without diabetes, a fasting (no food for eight hours) blood sugar on awakening should be under 100 mg/dl. Before-meal blood sugars should be 70–99 mg/dl, and ostprandial (after meal) sugars taken 2 hours after meals should be less than 140 mg/dl. Read more...
Blood sugars. In a non-diabetic, the blood sugar should be less than 140 two hours after a meal. If it is higher than that, you should consider seeing your doctor to be evaluated. Good luck. Read more...

What are the "normal", (non-diabetic) blood sugar ranges, if tested before and after meals?

Normal Fasting 65-99. For fasting blood sugars, the exact range will vary from lab to lab, but in general 65-99 is considered normal. For someone without diabetes, blood sugar 2 hr after meals should be < 140. Read more...
Range. Fasting blood sugar is considered to be in the normal range when it is between 65-99 mg/dl. 2 hours following a meal it should be less than 140 mg/dl. Read more...