How does the Corrected Calcium Calculator work?

Calculate: Corrected Ca = Measured Ca + 0.8 × (4.0 - Albumin) Then: Or use ionized calcium directly if available Then: Normal corrected calcium 8.5-10.2 mg/dL.

Can you give an example of how to use the Corrected Calcium Calculator?

Example: Input Total Ca 7.8 mg/dL, albumin 2.5 g/dL gives a result of Corrected Ca = 7.8 + 0.8(4.0-2.5) = 9 mg/dL (normal) (Not hypocalcemic).

Is the Corrected Calcium Calculator free to use?

Yes — completely free with no registration, download, or subscription required. All calculations happen instantly in your browser.

How accurate is the Corrected Calcium Calculator?

Our Corrected Calcium Calculator uses verified mathematical formulas and is accurate to multiple decimal places. Results are calculated in real-time using the same methods used by professionals.

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Corrected Calcium Calculator

Corrected Calcium

Total calcium (mg/dL)

Albumin (g/dL)

Corrected calcium adjusts serum calcium for albumin levels, better reflecting true ionized calcium status and clinical significance.

Symbol	Name	Unit	Description
Ca	Measured Ca + 0	—	Measured Ca + 0

Difficulty:beginner

References

›Correctedium — Wikipedia

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