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Corrected Calcium Calculator

Calculate your corrected serum calcium level

Why Corrected Calcium?

Serum albumin affects how much calcium is "bound" in your blood. To get an accurate picture of your true calcium level, we need to correct for albumin levels.

Formula: Corrected Calcium = Serum Calcium + 0.8 × (4 - Serum Albumin)

Normal range: 8.5-10.5 mg/dL

Normal range: 3.5-5.0 g/dL

Reference Guide

Normal Ranges:

  • • Corrected Calcium: 8.5-10.5 mg/dL
  • • Serum Calcium: 8.5-10.5 mg/dL
  • • Serum Albumin: 3.5-5.0 g/dL

When to Contact Your Doctor:

  • • Corrected calcium is consistently below normal range
  • • Corrected calcium is consistently above normal range
  • • You experience symptoms of low calcium (muscle cramps, tingling, seizures)
  • • You experience symptoms of high calcium (nausea, weakness, confusion)

Tips for Using This Calculator:

  • • Use values from your most recent lab results
  • • Keep a record of your corrected calcium levels over time
  • • Share results with your healthcare provider
  • • Track changes after medication adjustments

This calculator uses the standard corrected calcium formula used by healthcare providers. For personalized medical advice, always consult your doctor.

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