Blood Sugar Converter

Blood Sugar Converter

Silver Zen Blood Sugar Converter

Convert mg/dL to mmol/L and Vice Versa

Convert Blood Sugar Units

mg/dL to mmol/L

mg/dL
mmol/L

mmol/L to mg/dL

mmol/L
mg/dL

Quick Reference Chart

Condition mg/dL mmol/L Status
Hypoglycemia < 70 < 3.9 Low
Normal (Fasting) 70-99 3.9-5.5 Normal
Prediabetes (Fasting) 100-125 5.6-6.9 Warning
Diabetes (Fasting) ≥ 126 ≥ 7.0 High
Normal (2h after meal) < 140 < 7.8 Normal
Diabetes (2h after meal) ≥ 200 ≥ 11.1 High

Conversion Formula

mg/dL to mmol/L
mmol/L = mg/dL ÷ 18.0182
mmol/L to mg/dL
mg/dL = mmol/L × 18.0182

About Blood Sugar Units

Blood glucose levels are measured in different units around the world. Understanding both units is important for managing diabetes and interpreting test results.

mg/dL
Milligrams per deciliter
Used primarily in the United States
mmol/L
Millimoles per liter
Used in most other countries

When to Test Blood Sugar

Fasting
8+ hours without eating
Before meals
2 hours after last meal
After meals
2 hours after eating
Bedtime
Before going to sleep

Target Ranges

Most People
80-130 mg/dL (4.4-7.2 mmol/L) before meals
After Meals
Less than 180 mg/dL (10.0 mmol/L)
Elderly
90-150 mg/dL (5.0-8.3 mmol/L) before meals

Important Note

This converter is for informational purposes only. Blood sugar targets may vary based on individual health conditions. Always follow your healthcare provider’s recommendations for diabetes management.

This calculator is for informational purposes only. Always consult with a healthcare professional for medical advice and treatment.