Albumin g/dL → g/L

Convert albumin from g/dL to g/L

Sources last checked: 2026-11-03

Albumin g/dL → g/L

Convert albumin from g/dL to g/L

Albumin (g/dL)

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Converts units only; reference ranges depend on the laboratory, the assay and the patient.

Source: BIPM. The International System of Units (SI), 9th edition, 2019 — Table 8 (non-SI units accepted for use with the SI, incl. litre) and the definition of the kelvin and degree Celsius.Open

What is the Albumin g/dL → g/L?

Serum albumin is reported in g/dL in the USA and Turkey and in g/L in much of Europe, including the UK, Scandinavia and many German and Austrian labs. Since 1 dL is 0.1 L, the factor is exactly 10. The unit matters most when albumin is entered into formulas, because their constants are defined for one unit only.

When to use it

Applying a formula or score defined in g/L (e.g. the SI version of albumin-corrected calcium)
Reading European guidelines and papers that quote albumin in g/L
Comparing results across labs that report different units

When not to use it

Urine albumin or the albumin/creatinine ratio, which use mg/L, mg/g or mg/mmol
Total protein or electrophoresis fractions given as a percentage — convert only absolute concentrations

How it is calculated

Albumin (g/L) = albumin (g/dL) × 10

Clinical pearls and limitations

Converts units only; reference ranges depend on the laboratory, the assay and the patient.
g/L = g/dL × 10; g/L values are usually whole numbers.
Corrected-calcium formulas exist in two versions: calcium in mg/dL with albumin in g/dL, and calcium in mmol/L with albumin in g/L. Mixing units between them produces grossly wrong corrections.
Scores that include albumin (e.g. Child-Pugh) state their cut-offs in one unit; check which before scoring.
Bromocresol green and bromocresol purple methods can give slightly different albumin results — a method difference, not a unit difference.

Frequently asked questions

How do I convert albumin from g/dL to g/L?

Multiply by 10. Example: 3.8 g/dL = 38 g/L; 2.9 g/dL = 29 g/L.

Why does the unit matter for corrected calcium?

Each corrected-calcium formula has constants fitted to specific units. Entering albumin in g/L into the g/dL version (or vice versa) distorts the corrected value grossly.

Is g/dL the same as g%?

Older reports sometimes write g% or g/100 mL; all three mean grams per decilitre.

Evidence and guidelines

Primary source: BIPM. The International System of Units (SI), 9th edition, 2019 — Table 8 (non-SI units accepted for use with the SI, incl. litre) and the definition of the kelvin and degree Celsius.

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For healthcare professionals and medical students. These tools support, and do not replace, clinical judgement. Always check results against the original source and your local protocols.