Blood - Sugar Chart

Blood - Sugar Chart

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Diabetes is a condition where success of treatment depends on how well you keep your blood sugar controlled. Good self-management can help improve both short and long term health outcomes(1). Use Medindia's 'Blood Sugar Calculator' and its resources, if you have recently been diagnosed to have diabetes. It will help you with self-education and better management of your health(2). Over a period of time you will learn how to manage the condition yourself and will understand why your sugar level fluctuates.

The Blood sugar chart provides descriptions of blood sugar values in terms of mg/dl depending on the test type Fasting sugar, post-meal or post prandial and Glucose tolerance test (GTT) for a normal person, in early diabetes and in established diabetes. Use this chart to monitor your blood sugar level.
Blood Sugar Chart
Category Fasting Value (mg/dl) Post Prandial (mg/dl)
Minimum Value Maximum Value Value 2 hours after consuming glucose
Normal 70 100 Less than 140
Early Diabetes 101 126 140 to 200
Established Diabetes More than 126 - More than 200

Blood Sugar Calculator
Choose Test Type *
Select the Blood Glucose Value Type * mg / dl    mmol / L
Select the Blood Glucose Value*
* Required
(Note: This interpretation does not apply if you are pregnant)

Diabetes Control Chart

Important Facts About Blood Sugar

  • Glucose is a simple sugar and is one of the primary molecules which serve as energy sources for both plants and animals(3).
  • Insulin, a hormone produced by the pancreas, helps maintain normal blood sugar levels(4).
  • Uncontrolled or high blood sugar levels can lead to health complications such as blindness, heart disease and kidney disease(5).
  • Increase or decrease in the glucose level in the blood can lead to a condition called "diabetic coma"(6).


  1. Qual Life Res. 2019 Sep 23. doi: 10.1007/s11136-019-02299-2. - (
  2. BMC Health Serv Res. 2015 Dec 29;15:578. doi: 10.1186/s12913-015-1246-9 - (
  3. How Cells Obtain Energy from Food - Molecular Biology of the Cell. 4th edition. - (
  4. Insulin - Wikipedia - (
  5. Diabetes, Heart Disease, and Stroke - (
  6. Diabetic Coma - (

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Jenny423, United States

My sister had a Diabetic attack at the lake this weekend. Her blood sugar spiked to 421. We didn't realize that it was her diabetes at first. I'd like to know how to help her next time if this were to happen again. How can we bring her blood sugars down quickly until help arrives? We were able to get her help in time, but I'm so afraid that next time may be too late. Thank you!

sunil, India

Repeat your blood sugar level please as you maybe prediabetic, take daily exercise

rajcalgary2016, Canada

my fasting blood sugar level is 97 then i took breakfast then measured after two hours it is 185 Am I diabetic

mrwhiskers, United States

how many calories is the relation to mg/dl for instance 327 three hours after meal and 1 .5 hrs. after moderately intense 45 min exercise, walking 3.5 mph[300 - cal.] 65 yoa 240 lbs.

danny-ny, United States

Hi, my recent fasting blood glucose level is 93, but a1c is 6.1 Which number takes precedence? Am I pre-diabetic? Thanks a lot Danny Sunday, Nov 8, 2015

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