Chart of Normal Blood Sugar Levels by Age

Glucometer to check blood sugar level
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Chart of Normal Blood Sugar Levels

Understanding your blood sugar levels can help you care for your health in many ways. It allows you to take early action and know if your diabetes management plan is working. 

If you have a predisposition or family history of diabetes, knowing your blood sugar levels can also help you understand if they are high, low, or if you are veering towards diabetes.

Knowing your blood sugar levels on a regular basis can also help you take care of your overall health, as well as help you take precautionary measures at the right time. 

In this article, we will share the blood sugar level ranges, and how you can measure them at different times of the day to get a better overall understanding, as well as when you need to consult a doctor. 

What blood sugar level is normal?

According to ADA, or the American Diabetes Association, the following blood sugar level is the normal range that healthcare teams recommend for individuals who do not have diabetes.

Result A1C Test  Fasting Blood Sugar Test Glucose Tolerance Test Random Blood Sugar Test
Normal Less than 5.7% 100 mg/dL or lesser 140 mg/dL or lesser Less than 200 mg/dl 

While these are the recommended blood sugar levels for those who do not have diabetes, your healthcare provider will be able to give you the best target range for your blood sugar levels, based on other factors such as your age, overall health, any medications you are on and so on.

What is the Normal Range of Blood Sugar by Age?

According to experts, there are no age-specific cut-offs for people who don’t have diabetes. Those readings are only for people who have type 2 diabetes. For someone who doesn’t have diabetes, the blood sugar cut-off remains the same for all ages.

From children, teenagers, and adults to senior citizens. For those who do not have diabetes, the normal range of blood sugar levels is usually recommended to be between – 

  • Fasting or before any meal has been taken: 70 to <100 mg/dL
  • 0 to 2 hours after the last meal was taken: <140 mg/dL

Normal sugar level before breakfast (on empty stomach or with water)

The sugar level will be considered as fasting blood sugar. In the morning, before you have anything to eat or drink, a normal blood sugar level will be considered anywhere between 80 and 110 mg/dL. 

Normal Blood Sugar Levels Chart for a 60-year-old female

There are no specific blood sugar levels cut off for different age groups. It is the same across the age spectrum for those who do not have diabetes. As per the recommendations by ADA, here is a look at the target blood sugar levels for females who do not have diabetes: 

  • Fasting or before any meal has been taken: 70 to <100 mg/dL
  • 0 to 2 hours after the last meal was taken: <140 mg/dL

Do keep in mind that your doctor will give you the best suggestion about your target healthy blood glucose levels. Also, please note that this will depend on the food you’ve eaten.

No need to fear high blood sugar levels anymore.

Our experts are here to help you reduce or even stop diabetes medicines.

So, it’s best to take readings for a few days before you approach your doctor for abnormal blood sugar levels.

What Blood Sugar Level is Dangerous?

There is no such thing as a dangerously high blood sugar level. However, if you random blood sugar test that reads higher than 200 mg/dL and you should consult a doctor and seek advice on how to proceed with managing the same.

Please don’t wait for your blood sugar level to go beyond the cut-off of 200 mg/dL. There are many blogs out there that suggest that reading above 300 mg/dL is considered dangerous.

But we have cross-checked this information with our in-house diabetologists to make sure you have the right information.

Here are a few signs and symptoms that can help you understand if your blood sugar levels are going higher than they should:

  • You feel tired and weak all the time, even while doing the same activities you do on other days, but now feel more tired
  • You have a dry sensation in your mouth
  • You will start feeling thirsty, more than you usually do, even if you have water or fluids
  • You get a feeling of nausea or vomiting 
  • You need to go to the toilet to urinate more often than you usually do
  • Your vision feels blurry or you have trouble seeing 
  • You feel hungrier than you usually do 
  • You may feel dizzy when you stand up

Please keep in mind that the target healthy blood sugar ranges mentioned in this article are for a general overview, and in some cases, it is possible that the target healthy ranges will vary from person to person. 

Your doctor will take into account various factors such as your age, weight, your past or current health, any other health issues that you have, any comorbidities that you may have, any medications that you are on or have recently been on, any illness that you currently have or have recently recovered from, your overall lifestyle and so on, and then assess a healthy target blood sugar level for you. 

We at Fitterfly recommend that you speak to diabetes healthcare team and understand your own healthy target range for blood sugar levels so that you feel fine and are healthy. 


At Fitterfly, we use a continuous glucose monitor or CGM to take about 1300+ readings in 2 weeks. To understand your A1c and your time in range (which means the duration for which you have normal blood sugar levels during the day).

Not only this we also map your personal glycemic response to understand the root cause of your blood sugar spikes. 

If you have diabetes and are looking to bring your blood sugar under control, we have a solution for you! Check out Fitterfly’s Diabetes Management Program. To learn more, simply give us a missed call at 08069450746, and we will reach out to you.

No need to fear high blood sugar levels anymore.

Our experts are here to help you reduce or even stop diabetes medicines.

- By Fitterfly Health-Team