Glucose unit converter
Blood sugar level
Also known as: Blood glucose, Blood sugar, Serum glucose, Plasma glucose, Fasting glucose, FPG
Converter
Enter a value in any unit and all other units fill in.
Worked example
4.7 mmol/L (middle of the reference range) = 84.7 mg/dL
Conversion formulas
| g/L | g/L = mmol/L × 0.1801 | mmol/L = g/L × 5.551 |
|---|---|---|
| mg/dL | mg/dL = mmol/L × 18.01 | mmol/L = mg/dL × 0.05551 |
| µmol/L | µmol/L = mmol/L × 1000 | mmol/L = µmol/L × 0.001 |
| mg/L | mg/L = mmol/L × 180.2 | mmol/L = mg/L × 0.005551 |
Reference range
| Unit | Adults |
|---|---|
| g/L | 0.7026 – 0.9908 |
| mmol/L | 3.9 – 5.5 |
| mg/dL | 70.26 – 99.08 |
| µmol/L | 3900 – 5500 |
| mg/L | 702.6 – 990.9 |
Source: NIDDK (NIH): Diagnostic tests for diabetes and prediabetes · Last reviewed: 2026-10-14
Note from the source: Fasting plasma glucose: normal 99 mg/dL or below, prediabetes 100-125, diabetes 126 or above (NIDDK, same as ADA). Lower limit 70 mg/dL (3.9 mmol/L) as in healthy values of 70-99 mg/dL (Cleveland Clinic)