How this blood sugar conversion is calculated
General formula: mg/dL ÷ 18 = mmol/L
- 1. Start with the value in mg/dL: 100.
- 2. Divide by the analyte-specific factor: 100 ÷ 18.
- 3. Result in mmol/L: ≈ 5.555555555555555.
mg/dL to mmol/L calculator for Glucose (Blood Sugar)
Use this page to convert glucose (blood sugar) between mg/dL and mmol/L with the correct factor for this test.
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Conversion settings
Standard blood glucose conversion between mmol/L and mg/dL.
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Conversion factor: 1 mmol/L ≈ 18 mg/dL
Tips and important notes for blood sugar
- Fasting samples are usually taken after at least 8 hours without food.
- Stress, illness, and some medicines can push blood sugar higher than usual.
- Targets for blood sugar depend on age, diabetes type, and local guidelines.