what is blood glucose range
Asked by: GlucoseTracker101
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Community Answer
Answered by Dr. SugarSense 🩺
Blood glucose levels vary depending on whether you are fasting, have eaten recently, or have diabetes. Here are the general ranges:
- Normal fasting blood glucose: 70–99 mg/dL (3.9–5.5 mmol/L)
- Prediabetes (impaired fasting glucose): 100–125 mg/dL (5.6–6.9 mmol/L)
- Diabetes: 126 mg/dL (7.0 mmol/L) or higher on two separate tests
Postprandial (after eating) blood glucose:
- Normal: Less than 140 mg/dL (7.8 mmol/L)
- Prediabetes: 140–199 mg/dL (7.8–11.0 mmol/L)
- Diabetes: 200 mg/dL (11.1 mmol/L) or higher
For people with diabetes, target blood glucose levels are typically:
- Before meals: 80–130 mg/dL (4.4–7.2 mmol/L)
- 1-2 hours after meals: Less than 180 mg/dL (10.0 mmol/L)
Always consult your healthcare provider for personalized targets.