GFR Calculator
Estimate kidney function (eGFR) using the 2021 race-free CKD-EPI formula.
What is GFR?
eGFR estimates how well kidneys filter blood. Values below 60 for 3+ months may indicate chronic kidney disease.
How is it calculated?
The 2021 CKD-EPI equation uses serum creatinine, age and sex (no race coefficient).
Frequently Asked Questions
- Is eGFR a diagnosis?
- No. It is a screening estimate; clinicians combine it with urine tests and history.