Consider this simple formula: If you copy this formula and paste it to the next column, the references are adjusted and the pasted formula is: Making an exact copy of a single formula is easy: Press F2, highlight the formula, and press Ctrl+C to copy it as text. Then paste it to another cell.
A normal blood sugar level is between 72 mg/dL and 108 mg/dL (4 to 6 mmol/L) for a healthy person. The concentration of glucose in the blood of a healthy person in the morning on an empty stomach is between 68 mg/dL and 108 mg/dL (3.8 and 6.0 mmol/L).
Good Glucose Levels. Of course, if you don't know what good blood sugar levels should be, you'll have a hard time keeping yours under control. As mentioned above, these levels will change throughout the day. For example, when you wake up in the morning or before you eat a meal, your levels should be between 80 to 120 mg/dL.