Blood Sugar Converter: mg/dL ⇄ mmol/L
Glucose: mmol/L = mg/dL ÷ 18 · mg/dL = mmol/L × 18.
Blood sugar conversion chart
| mg/dL | mmol/L |
|---|---|
| 54 | 3.0 |
| 70 | 3.9 |
| 80 | 4.4 |
| 90 | 5.0 |
| 100 | 5.6 |
| 110 | 6.1 |
| 126 | 7.0 |
| 140 | 7.8 |
| 160 | 8.9 |
| 180 | 10.0 |
| 200 | 11.1 |
| 250 | 13.9 |
| 300 | 16.7 |
| 400 | 22.2 |
This page converts units only; it does not interpret results. Your healthcare provider can explain what your numbers mean for you. Related: A1c to average glucose · cholesterol mg/dL to mmol/L.
FAQ
How do I convert mg/dL to mmol/L for blood sugar?
Divide by 18. Example: 100 mg/dL ÷ 18 = 5.6 mmol/L.
How do I convert mmol/L to mg/dL?
Multiply by 18. Example: 7.0 mmol/L × 18 = 126 mg/dL.
Why 18?
Glucose has a molar mass of about 180.16 g/mol, so 1 mmol/L = 18.016 mg/dL. Most meters and references round to 18.
Which countries use mg/dL vs mmol/L?
The US and some other countries report glucose in mg/dL; the UK, Canada, Australia, China and much of Europe use mmol/L.
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