Just what is average blood sugar level? The answer to this question depends on various factors. A person's age and whether or not he or she has diabetes are two important determining factors. The type of diabetes that one has and even the time of day that the testing is done are two more important factors to consider. Generally speaking, your average blood sugar level should range from 4.0 mmol/L to 7.8 mmol.L. However, a person with type one diabetes will have an average blood sugar range 4 mmol/L up to 9 mmol/L; those with…