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Fructosamine Unit Converter
Fructosamine is the general term for glycated serum proteins, primarily glycated albumin. Its concentration reflects the average blood glucose level over the previous 2 to 3 weeks (the half-life of albumin), offering a snapshot of glycemic control faster than HbA1c, which spans 2–3 months.
Clinically, fructosamine is a key marker for monitoring diabetes control, especially in situations where HbA1c results are unreliable, such as in patients with conditions causing rapid red blood cell turnover (e.g., hemolytic anemia, pregnancy, or chronic kidney disease). Elevated levels indicate poor glycemic control during the immediate preceding weeks. Results are standardized and reported in molar units (µmol/L).
SI Units
RecommendedMicromoles per liter (Standard International).
Molar Multiples
Clinical Context
Reference Range: In healthy individuals, fructosamine is typically 205 – 285 µmol/L. Values above 300 µmol/L generally indicate poor glycemic control over the preceding 2-3 weeks.
Interpretation is best done when serum albumin is normal. If serum albumin is low (e.g., in nephrotic syndrome), fructosamine levels will be falsely low, as there is less albumin available for glycation.
Clinical References
How to Use This Calculator
Follow these steps to get accurate clinical conversions instantly.
Enter Values
Input your laboratory results into the corresponding unit field (e.g., µmol/L). You can use either dot or comma decimals.
Automatic Conversion
The calculator works in real-time. Conversions are linear across molar units.
Verify Units
Check the SI Units section. µmol/L is the standard for Fructosamine reporting.
Reset
Use the Clear button to reset all fields before starting a new calculation.
Frequently Asked Questions & Tips
Fructosamine reflects glucose control over 2–3 weeks, making it ideal for monitoring rapid changes or when HbA1c is unreliable due to altered red blood cell turnover.
The mass of fructosamine depends heavily on the concentration of total serum proteins (primarily albumin), making a standardized conversion factor unreliable.