Corrected Calcium Calculator

    Adjust calcium for albumin levels

    mg/dL
    g/dL

    Formula

    Corrected Ca = Measured Ca + 0.8 × (4.0 - Albumin)

    Adjusts calcium for albumin level since calcium is partially bound to albumin.

    Examples

    Ca 8.5, Albumin 3.0

    Corrected calcium = 9.3 mg/dL (normal).

    Frequently Asked Questions

    About Corrected Calcium

    Adjust total calcium for albumin levels to determine true calcium status.