eGFR — CKD-EPI 2021 & Cockcroft-Gault

Estimates GFR with the 2021 race-free CKD-EPI creatinine equation (creatinine in mg/dL or µmol/L), stages it by KDIGO, and optionally calculates Cockcroft-Gault creatinine clearance, which DOAC dosing and several cardiology scores use.

Upload a report, lab sheet or echo picture to fill this calculator automatically.

Patient

Age

years

Serum creatinine

Standardised (IDMS-traceable) assay

Creatinine

mg/dL

Weight (optional)

For Cockcroft-Gault creatinine clearance

Weight

eGFR · CKD-EPI 2021

Enter sex, age (≥ 18) and serum creatinine.

References

Inker LA, Eneanya ND, Coresh J, et al. New creatinine- and cystatin C-based equations to estimate GFR without race. N Engl J Med 2021;385:1737-1749.
Kidney Disease: Improving Global Outcomes (KDIGO) CKD Work Group. KDIGO 2024 clinical practice guideline for the evaluation and management of chronic kidney disease. Kidney Int 2024;105(4S):S117-S314.
Cockcroft DW, Gault MH. Prediction of creatinine clearance from serum creatinine. Nephron 1976;16:31-41.