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Blood test unit converter

Lab reports use different units in different countries. Convert them in either direction.

Runs entirely in your browser. Nothing you type is sent anywhere.

Result—

This converts units only. Ask the doctor or lab that ordered the test what your result means for you.

For general wellness only. These results are estimates from published formulas and guidelines, not a diagnosis or medical advice. They may not suit pregnancy, children, older adults, athletes or people with health conditions. Talk to a qualified health professional about your health. In an emergency, call your local emergency number.

How to use the blood test unit converter

Factors from NIDDK (Diabetes in America): glucose mg/dL × 0.0555 = mmol/L; cholesterol mg/dL × 0.0259 = mmol/L; triglycerides mg/dL × 0.0113 = mmol/L. HbA1c: IFCC (mmol/mol) = 10.93 × NGSP (%) − 23.50. Estimated average glucose (ADAG study): eAG (mg/dL) = 28.7 × HbA1c (%) − 46.7.

  1. Pick the test.
  2. Type the value in either box.
  3. Read the converted value in the other box.

Understanding your result

The converted value is the same measurement in another unit; it doesn’t say whether your result is in range. Lab reference ranges depend on the test method and on you, so read the range printed on your report and ask the doctor who ordered the test.

Sources

Sources checked on 9 October 2026. Formulas and thresholds are used as published; the wording on this page is our own.

Questions

Why do countries use different units?
Many countries report in SI units (mmol/L, mmol/mol), while others, including the US, commonly use mg/dL and %. The underlying amount is the same.
Why does LDL use the same factor as total cholesterol?
All cholesterol fractions are measured as cholesterol, so the same molar conversion applies.
Is estimated average glucose the same as my glucose readings?
No. It is a statistical estimate of average glucose over roughly the past few months, based on the ADAG study. Individual readings vary around it.

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