There are several tests you may undergo to check your blood glucose level if it’s in normal range or not. Basically, the normal blood sugar reading should be as following (according to ADA - American Diabetes Association for adult): Blood glucose before meal: 70 – 130 mg/dl. Blood glucose 2 hours after meal: <180 mg/dl. A1C ( which shows how well you’ve been managing diabetes during the last 3 months: <7.0%.These are the normal figures that you should get most of the times when you perform a blood glucose test.