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Diabetes Level Chart: Know Your Normal Blood Sugar Numbers

Last Updated On: Oct 22 2025

Monitoring your blood sugar levels is vital for managing diabetes and maintaining overall health. A diabetes level chart provides a clear guide to normal blood sugar levels, helping you understand when your glucose is within a healthy range or if it's too high or low. By familiarising yourself with the normal blood sugar levels chart, you can work with your doctor to keep your numbers in check and prevent complications.

Normal Blood Sugar Levels

So, what are considered normal blood sugar levels? For most healthy adults, normal fasting blood sugar levels fall between 70–99 mg/dL. However, target ranges can vary slightly based on factors like age, health status, and the timing of the test. Here is a closer look at the normal blood sugar levels chart for different groups:

Group

Fasting Blood Sugar Level (mg/dL)

Post Prandial (PP) Blood Sugar Level (mg/dL)

Just after eating

2 hrs after eating

Diabetes 

> 126 

230 - 300

> 200

Early diabetes

101 - 126

190 - 230

140 - 200

Normal

70 - 99

170 - 200

< 140

Normal Blood Sugar Levels Chart for Healthy Individuals

Here is a normal blood sugar levels chart for adults who do not suffer from diabetes:

Condition

Blood Glucose Level (mg/dL)

Fasting glucose levels

< 100 mg/dL

Levels 1 hour after eating

90 - 130 mg/dL

Levels 2 hours after eating

90 - 110 mg/dL

Levels > 5 hours after meals

70 - 90 mg/dL

Maintaining blood glucose within this normal blood sugar levels chart helps prevent insulin resistance and lowers your risk of developing type 2 diabetes. If your numbers consistently fall outside this range, it's important to consult with your doctor.

Normal Blood Sugar Levels Chart for People with Diabetes

For individuals diagnosed with type 1 diabetes or type 2 diabetes, target blood sugar levels are usually higher than what is mentioned in the normal blood sugar levels chart for adults. However, staying within the recommended diabetes level chart significantly reduces the risk of complications:

Age

Normal blood sugar level (mg/dL)

Fasting

Before meal

1-2 Hours After Eating

Bedtime 

Diabetics (< 6 years)

80 - 180 mg/dL

100 - 180 mg/dL

~ 180 mg/dL

110 - 200 mg/dL

Diabetics (6 - 12 years)

80 - 180 mg/dL

90 - 180 mg/dL

Up to 140 mg/dL

100 - 180 mg/dL

Diabetics (13 - 19 years)

70 - 150 mg/dL

90 - 130 mg/dL

Up to 140 mg/dL

90 - 150 mg/dL

Diabetics (> 20 years)

< 100 mg/dL

70 - 130 mg/dL

< 180 mg/dL

100 - 140 mg/dL

Your personal targets may be different based on your age, overall health, and duration of diabetes. Always work with your healthcare team to determine the optimal blood glucose range for your unique situation.

Normal Blood Sugar Levels Chart for Diabetic Pregnant Women

For women with gestational diabetes or pre-existing diabetes during pregnancy, tighter blood sugar control is essential to protect both mother and baby. Here's what the normal blood sugar levels chart for diabetes looks like during pregnancy:

Condition

Normal Blood Glucose Level (mg/dL)

Fasting levels 

70 - 89 mg/dL

Levels before meals

89 mg/dL

Levels 1-2 hours after meals

< 120 mg/dL

Levels at bedtime 

100 - 140 mg/dL

Keeping glucose levels within this strict range helps prevent complications like high birth weight, preterm delivery, and low blood sugar in the newborn.

Normal Blood Sugar Levels Chart for Prediabetic individuals

Prediabetes is a warning sign that your blood sugar levels are higher than normal but not quite high enough for a diabetes diagnosis. Catching and addressing prediabetes early can prevent the progression to type 2 diabetes. Here's what to look out for:

Condition

Normal Blood Glucose Level (mg/dL)

Fasting levels 

100 - 125 mg/dL

Levels 2 hours after eating

140 - 199 mg/dL

If your numbers fall into this prediabetic range, lifestyle changes like regular exercise, a balanced diet, and losing excess weight can often bring your blood sugar back to normal. Your doctor may also recommend more frequent screening.

Conclusion

Understanding normal blood sugar levels and how they apply to you is an essential part of managing your health. By familiarising yourself with the diabetes level chart and monitoring your own numbers, you can take an active role in preventing or controlling diabetes. If you have concerns about your blood glucose readings, don't hesitate to reach out to your doctor.

At Metropolis Healthcare, we understand the importance of accessible, accurate testing for diabetes management. Our hba1c test services provide reliable results for effective monitoring. Our team of expert technicians offers convenient at-home blood sample collection for HbA1c range tests and more. With our user-friendly online portal and mobile app, you can easily view your results and track your progress over time.

FAQs

How can I get my HbA1c test done?

An HbA1c test can be ordered by your doctor and performed at a medical laboratory or hospital. The test measures your average blood sugar levels over the past 2-3 months and requires no special preparation.

What blood sugar level indicates controlled diabetes?

For most adults with diabetes, a fasting blood sugar between 80-130 mg/dL and a post-meal reading below 180 mg/dL indicate good control. However, your personal targets may differ based on individual factors, so consult with your doctor to determine your ideal blood glucose range.

What is a normal blood sugar level chart?

normal blood sugar levels chart shows the ideal glucose ranges for healthy adults without diabetes. Fasting blood sugar should be below 100 mg/dL, while levels should remain under 140 mg/dL two hours after eating.

Which level is good for diabetes?

For individuals with diabetes, a fasting blood sugar between 80-130 mg/dL and a post-meal level under 180 mg/dL are generally considered good control. However, your doctor may recommend a different target blood glucose range based on your unique health profile.

What are the symptoms of high blood sugar levels?

Common symptoms of high blood sugar include frequent urination, increased thirst, blurred vision, fatigue, and slow-healing cuts or sores. If you experience these symptoms or have consistently elevated readings on your diabetes level chart, consult with your doctor.

What is the normal blood sugar level for adults?

For healthy adults without diabetes, normal blood sugar levels are typically below 100 mg/dL when fasting and under 140 mg/dL within two hours after a meal. Staying within this range helps prevent insulin resistance and lowers the risk of developing type 2 diabetes.

What is a dangerous level of blood sugar?

Blood sugar consistently above 180 mg/dL or below 70 mg/dL can be dangerous and may require immediate medical attention. Extremely high levels can lead to complications like diabetic ketoacidosis, while very low blood sugar can cause seizures, loss of consciousness, or even death if left untreated.

What is the difference between random and fasting sugar?

Fasting blood sugar is measured after at least 8 hours of not eating or drinking anything besides water. Random blood sugar can be checked at any time, regardless of when you last ate. While both provide insights, fasting sugar is often used to diagnose diabetes, as it's less influenced by recent meals.

What does HbA1c mean in diabetes?

The HbA1c test, or glycated haemoglobin test, reflects your average blood sugar levels over the past 2-3 months. It's used along with daily readings to assess long-term glucose control in people with diabetes. A higher HbA1c percentage indicates poorer blood sugar management.

How often should I check my blood sugar?

The frequency of blood sugar checks depends on your type of diabetes and treatment plan. Most people with diabetes test at least once a day, but your doctor may recommend more or less frequent checks based on your medication regimen, glucose control, and overall health.

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