Unit converter

Vitamin C (ascorbic acid): mg/dL to µmol/L converter

Convert vitamin c (ascorbic acid) between mg/dL and µmol/L instantly - type a value in either box. With the exact formula, a reference table and what it means for your result.

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Formula: µmol/L = mg/dL × 56.78

Reverse: mg/dL = µmol/L × 0.017612

Conversion factor source: Labcorp, SI Unit Conversion Table

Common values

mg/dL µmol/L
0.2 11.4
0.4 22.7
0.6 34.1
0.8 45.4
1 56.8
1.5 85.2

Frequently asked questions

What is the formula to convert vitamin c (ascorbic acid)?

µmol/L = mg/dL × 56.78. To go the other way, divide instead of multiply.

How do I convert µmol/L to mg/dL?

mg/dL = µmol/L × 0.017612. It is the same conversion in reverse - type a value in the µmol/L field above and the mg/dL value appears instantly.

Which unit does my country use for vitamin c (ascorbic acid)?

The US typically reports mg/dL; most of Europe, Russia and Israel use µmol/L. Your lab prints its unit next to the value.

Does converting change what my result means?

No - it's the same value in a different unit. Always compare it to your own lab's reference range and discuss with your doctor.

Reading a full lab report? See the Vitamin C (ascorbic acid) marker guide or upload your report - Mediora explains every value.

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Conversion is provided for convenience - always read your result against your own lab's units and reference range, with your doctor.