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CKD-EPI eGFR Creatinine Calculator

eGFR (CKD-EPI 2021) — kidney function from serum creatinine.

Estimates glomerular filtration rate (eGFR) using the 2021 CKD-EPI creatinine equation (without race variable) from serum creatinine, age, and sex.

Daniel Oh By Daniel Oh
Published Last reviewed 1 min read

Inputs

Results

Enter values and click Calculate to see results.
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How to use this calculator

  1. Fill in the inputs above using the units you already have.
  2. Values update automatically as you type — no submit button needed.
  3. Hover any result row for the underlying formula and intermediate values.

Formula

eGFR = 142 × (Scr/κ)^α × 0.9938^Age × [1.012 if female]

In depth

Estimates glomerular filtration rate (eGFR) using the 2021 CKD-EPI creatinine equation (without race variable) from serum creatinine, age, and sex.