Glucose Conversion Calculator
mg/dL to mmol/L blood sugar.
Enter your values
Results update instantly as you type — no submit needed.
Results
- mg/dL
- 126
- mmol/L
- 6.99
- Fasting interpretation
- Diabetes range (fasting)
- Estimated A1C if this is average
- 6.02%
Quick answer
Divide mg/dL by 18.016 to get mmol/L; multiply mmol/L by 18.016 to go back.
mmol/L = mg/dL ÷ 18.016
How to use the Glucose Conversion Calculator
- 1Enter your glucose reading.
- 2Select the unit it was measured in.
- 3Read both units and the interpretation.
Frequently asked questions
Which unit does my country use?
The US uses mg/dL; the UK, Australia and most of Europe use mmol/L.
What is a normal fasting glucose?
70–99 mg/dL, or 3.9–5.5 mmol/L.