Quick Tip Summary

For Your Education
Certain countries use mmol/L instead of mg/dL in reference to glucose measurement.

An easy way to estimate equivalent numbers in mmol/L is to divide the mg/dL value by 18.

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Monitoring


Converting mg/dL to mmol/L
Judy Kohn, RN, BSN, CDE
Section: Monitoring
By: Judy Kohn, RN, BSN, CDE
Posted: 04.01.2009
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You refer to glucose measurements in mg/dL, but my country uses mmol/L. How can I get the equivalent mmol/L?

Converting mg/dL to mmol/L

Certain countries use mmol/L instead of mg/dL. To get the equivalent mmol, you can multiply the glucose value in mg/dL by the conversion factor of 0.05551 (example: 110 mg/dL X 0.05551 = 6.1 mmol/L). Or, you can use an easier but less precise way by dividing the mg/dL value by 18 to get the equivalent number in mmol/L (example: 110 divided by 18 = 6.1).

Conversion Table for Blood Glucose Monitoring

mmol/L mg/dL mmol/L mg/dL mmol/L mg/dL
0.06 1 6.7 120 16.0 288
0.28 2 7 126 16.6 300
0.55 10 7.2 130 17.0 306
1 18 7.5 135 18.0 325
1.5 27 7.8 140 19.0 342
2 36 8 145 20.0 360
2.2 40 8.3 150 20.8 375
2.5 45 8.9 160 22.2 400
2.8 50 9 162 23.0 414
3 54 9.4 170 24.0 432
3.3 60 10 180 25.0 450
3.9 70 10.5 190 26.4 475
4 72 11 196 27.7 500
4.4 80 11.1 200 30.0 540
4.7 85 12 216 33.3 600
5 90 12.5 225 38.8 700
5.5 100 13.9 250 40.0 720
6 106 14.4 260 44.4 800
6.1 110 15 270 50.0 900

Note: FreeStyle® meters and Precision® meters are now factory set to each country's unit of measure. Confirm that your meter is set to your preferred Unit of Measure. If it is not, please contact Customer Service at: 1-888-522-5226.


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Important Notice: Information provided by the team of Diabetes Educators is for general background purposes and is not intended as a substitute for medical diagnosis or treatment by a trained professional. You should always consult your physician about any health care questions you may have, especially before trying a new medication, diet, fitness program, or approach to health care issues.

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