Blood test unit converter
Convert cholesterol, triglycerides, glucose, HbA1c, vitamin D and ferritin between US and international units. Free, nothing leaves your browser.
Convert a lab result
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Pick the test and type your number.
Fabee keeps your food log, to take to your doctor if it helps.
DownloadA unit converter, not medical advice. It never tells you whether a result is right for you; your doctor does.
How it works
Labs in the US mostly report mg/dL, most other countries mmol/L. Cholesterol divides by 38.67, triglycerides by 88.57 and glucose by 18.016. HbA1c converts between % (NGSP) and mmol/mol (IFCC) with the published master equation.
Vitamin D (25-hydroxy) in ng/mL times 2.496 gives nmol/L. Ferritin in ng/mL is the same number in µg/L.
Sources: IFCC-NGSP HbA1c master equation (NGSP); SI unit conversion factors (AMA Manual of Style).