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g/L to mg/mL Converter
↔ Convert mg/mL to g/L instead

Common Conversions

g/L mg/mL
0.01 0.01
0.1 0.1
0.5 0.5
1 1
2 2
5 5
10 10
35 35
50 50
100 100
150 150

Why this conversion matters in chemistry

Clinical lab reports give serum albumin in g/L; the protein concentration written on a Western-blot lysate stock or a UV/Vis-quantified BSA standard is in mg/mL. The numbers are the same — 35 g/L serum albumin is 35 mg/mL — because 1 g/(1 L) and 1000 mg/(1000 mL) are the same ratio. The identity is the ordinary type cast that links a clinical-chemistry value to a bench-prep working concentration. The same equality holds for any reagent specification that crosses between the two notations.

Formula

mg/mL = g/L × 1 (numerically identical)

Worked Examples

1 g/L = 1 mg/mL

The conversion anchor — the same ratio in different prefix combinations.

35 g/L = 35 mg/mL

Lower-bound normal serum albumin — the figure off a metabolic-panel report.

0.1 g/L = 0.1 mg/mL

A typical dilute-protein working stock for an enzyme assay.

150 g/L = 150 mg/mL

A high-concentration biologic drug product target — the upper end of the formulation range.

Frequently Asked Questions

Why are g/L and mg/mL the same number?
Because 1 g = 1000 mg and 1 L = 1000 mL, the two scaling factors cancel. g/L and mg/mL are the same ratio expressed in different prefixes — no arithmetic, just relabeling.
When does each notation get used?
Clinical chemistry favors g/L for serum proteins and major analytes. Bench biochemistry favors mg/mL for working stocks, calibrators, and antibody dilution series. The conversion is the bookkeeping when a clinical value lands in a bench prep.
How does this relate to % w/v?
Divide g/L by 10 to get % w/v. So 10 g/L = 1% w/v = 10 mg/mL. The three notations describe the same concentration with different reference volumes.
What's normal serum protein?
Total protein typically 60–80 g/L; albumin 35–50 g/L; globulins 20–35 g/L. Numbers move with hydration status and disease, which is why the panel reports a range rather than a single normal.