Health

Corrected Calcium Calculator

Adjust calcium for albumin level using the Payne formula.

Measured Calcium (mg/dL)

Serum Albumin (g/dL)

Corrected Calcium—

Interpretation—

Corrected Ca = Measured Ca + 0.8 × (4.0 − Albumin)
Normal: 8.5–10.5 mg/dL