Blood Sugar Converter

The blood sugar concentration or blood glucose level is the amount of glucose (sugar) present in the blood of a human or animal. Convert blood sugar/glucose from mmol/L (EU standard) to mg/dl (USA standard) and vice versa using our blood sugar converter.

Keywords: blood sugar, blood sugar levels, mmol/l, mg/dl, convert blood glucose value

How to use blood sugar converter tool?

The use is very simple. This tool will convert mg/dl unit to mmol/l or convert mmol/l to mg/dl.. In the United States of America, blood glucose test (blood sugar test) results are reported as mg/dL. Medical journals and other countries use millimoles per liter (mmol/L).

How to convert your value?

First, select conversion mode. Either select mg/dl to mmol/l or mmol/l to mg/dl.
Input your value (do not include “mg/dl” or “mmol/l”) and press calculate. Result will be displayed below.

Blood Sugar Converter

Select conversion:
Input your value:
(Use dot to separate values. Example 5.5)
Press to calculate:

Low, normal and high blood sugar/glucose levels can be found in the table below.

Expected blood sugar level values

Blood Sugar Level Children mg/dl (mmol/l) Adults mg/dl (mmol/l)
Normal 70 – 100 mg/dL (3.9 – 5.5 mmol/l) 70 – 140 mg/dL (3.9 – 7.7 mmol/l)
Low lower than 70 mg/dL (lower than 3.9 mmol/l) lower than 70 mg/dL (lower than 3.9 mmol/l)
High Over 140 mg/dL (over 7.7 mmol/l) Over 180 mg/dL (over 10 mmol/l)

Blood sugar level values are a bit different because of unit conversions – from mg/dl to mmol/l.

If you found yourself to have high blood sugar levels – you can lower your BS by maintaining normal body weight, eating healthy and by physical activity.

For more information on blood sugar refer to this article on blood sugar levels.

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25 Comments on this article. Feel free to join this conversation.

  1. marry May 23, 2016 at 8:18 am - Reply

    there are the numbers I\’d be interested in for translation
    a1c 5.5
    a1c 5.6
    a1c 5.7
    a1c 5.8
    a1c 5.9
    a1c 6.0
    a1c 6.1
    a1c 6.2
    thank you.

  2. Ather Kazemi January 17, 2016 at 11:51 am - Reply

    Very useful article. I have forwarded the link to many of my friends and relatives.

  3. Waheed Rafiq February 5, 2015 at 10:11 pm - Reply

    I brought 2 in 1 Smart blood glucose monitoring system and my reading show 6.1 is that good or bad , i wish these reading where made simple as in ” You have a hight sugar level ” or You have low suger level .

  4. stephen November 7, 2014 at 9:37 am - Reply

    I am 54 years old and my average blood sugar is 7.5 as measured by HC1ac. Is that a good or bad measure please?

    • Nancy November 26, 2016 at 7:44 pm - Reply

      A1C of 7.5 means your average blood glucose for the last 3 months was 10.5 mmol/L or 189.7 mg/dL

  5. jennifer August 18, 2014 at 1:18 am - Reply

    i just bought a one touch ultra mini bg monitoring system…i checked my bl and it was 187…now i know that is high bs…but should i say i’m diabetic….i’m also 348 pounds….should i see a doctor?

  6. kaza July 30, 2014 at 9:08 am - Reply

    i am 29 years old i checked my sugar levels after consuming tea in the morning it was 135 with electronic gluco metre it showed different values145,134 and 150.actually i am not a diabetic patient.suggest me

  7. Sally Phillips July 7, 2014 at 9:07 am - Reply

    My blood sugar test result is 47 making me pre-diabetic. What would this be using the old numbers eg. 5 6 or 7 ?

  8. Kate June 30, 2014 at 6:10 pm - Reply

    Fainted in the street.Paramedics checked my blood sugarlevls .It was 2.8.My mother had maturity onset diabetes. was this just an idiosyncraticepisode or should I seek advice?

  9. Kate June 26, 2014 at 9:53 am - Reply

    I am not a diabetic to my knowledge. My mother did have maturity onset diabetes. Was this just an idiosyncratic moment or do I need to seek advice

  10. Kate June 23, 2014 at 2:11 pm - Reply

    Fainted yesterday , (very embarassingly in the street ). Paramedics checked my sugar level. It was 2.8. Should I be concerned

  11. mary June 10, 2014 at 10:41 am - Reply

    Thanks, very valuable tool!

  12. aridra April 6, 2014 at 11:59 am - Reply

    My fasting showed 114 and 2hrs post fasting was 189.what does it mean?

  13. carlos cruz March 27, 2014 at 8:06 pm - Reply

    hello I just got diagnosed with diabetes.. currently on metformin.
    my morning mg/dl level value in the mornings are between 143-146.and 2 hours after dinner its 131-138mg/dl.
    when diagnosed my A1C was 6.7 and six months later it was 6.4
    I feel like i tend to remain in the pre diabetic stage and have changed my diet and I am very active as far as exercise goes. any other suggestions to lower my mg/dl so I can get off medication?

  14. Ashok March 24, 2014 at 12:38 pm - Reply

    I am diabetic type-2 since last 4 years. My parents are also diabetic. I have not check since last 2 months. Please advise time between two checkup.

  15. JJsmat March 13, 2014 at 2:11 pm - Reply

    Thanks, will come in handy!

  16. preet January 31, 2014 at 4:39 am - Reply

    I am 27 years ,nd my mom is diabetic,nd my bloodsugar fasting is 101 should I go to doctors clinic

    • Healthiack January 31, 2014 at 11:36 am - Reply

      101 mg/dl fasting is borderline value.
      Read this article for more information.

  17. calis December 30, 2013 at 2:20 pm - Reply

    I am 12 years old and my grandad has diabeties because both of his parents had diabeties. Now i am having high blood sugar levels and its worrying my family. Its about 113 yesterday and 110 today i know thats not alot but its still not normal for my age. Should i go to the doctor and get tested? Or should i just not worry.

    • Healthiack December 30, 2013 at 2:25 pm - Reply

      Although your blood sugar levels are not that high, a visit to your doctor is recommended. It’s more of a precaution visit.
      Any value above 100 mg/dl is considered high for children.

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