Blood Sugar Converter
Blood Sugar Converter
Convert mmol/L ↔ mg/dL Instantly
Convert blood glucose units with a simple calculator . This tool is for unit conversion only.
Common in Canada/Europe. Example: 5.5 mmol/L
Common in the US. Example: 99 mg/dL
5.5 mmol/L = 99 mg/dL
Uses the standard glucose factor: 1 mmol/L ≈ 18.0182 mg/dL.
Formulas (glucose):
mg/dL = mmol/L × 18.0182
mmol/L = mg/dL ÷ 18.0182
Reminder: This is a unit converter — not medical advice.
FAQ (Blood Sugar Converter)
How do I convert mmol/L to mg/dL?
For glucose, multiply mmol/L by 18.0182. Example: 5.5 mmol/L × 18.0182 ≈ 99 mg/dL.
How do I convert mg/dL to mmol/L?
Divide mg/dL by 18.0182. Example: 180 mg/dL ÷ 18.0182 ≈ 9.99 mmol/L.
Why are there two different units?
Different countries use different standards. Canada and much of Europe often use mmol/L, while the US commonly uses mg/dL.
Is the conversion factor always 18?
For glucose, the commonly used factor is about 18.0182. People often round it to 18 for quick mental math, but this tool uses 18.0182 for accuracy.
Can this converter diagnose diabetes?
No. It only converts units. If you’re worried about your blood sugar results, talk with a qualified healthcare professional.
