Blood Sugar Converter — Convert mg/dL to mmol/L & Monitor Glucose Levels

Blood Sugar Converter

Convert blood glucose measurements between mg/dL and mmol/L units. Track your levels, set targets, and understand diabetes management metrics.

Step 1: Blood Sugar Measurement

120

Understanding Blood Sugar Units

mg/dL is commonly used in the United States, while mmol/L is used in most other countries. The conversion formula is: mmol/L = mg/dL ÷ 18.016.

Step 2: Target Ranges & Analysis

5.5

Blood Sugar Guidelines

Normal fasting blood sugar is typically 70-100 mg/dL (3.9-5.6 mmol/L). Levels above 126 mg/dL (7.0 mmol/L) fasting may indicate diabetes.

Blood Sugar Conversion Results

Conversion
Target Ranges
Tracking

Converted Blood Sugar Value

6.66
120 mg/dL = 6.66 mmol/L
Your Measurement
120 mg/dL
Converted Value
6.66 mmol/L
Status
Normal
Deviation from Target
+1.16 mmol/L

Recommended Blood Sugar Ranges

Condition Fasting (mmol/L) After Meals (mmol/L) HbA1c (%)

Understanding HbA1c

HbA1c (glycated hemoglobin) reflects average blood sugar levels over 2-3 months. A normal HbA1c is below 5.7%, while 6.5% or higher may indicate diabetes.

Glucose Level Tracking

Conversion Formula

mmol/L = mg/dL ÷ 18.016 | mg/dL = mmol/L × 18.016

This formula converts between the two main units used for blood glucose measurement worldwide. The factor 18.016 is derived from the molecular weight of glucose.

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