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eGFR Calculator (CKD-EPI 2021)
Estimated GFR via the 2021 CKD-EPI equation (race-free, default standard for adults). Stages chronic kidney disease G1-G5.
HEALTHEstimated GFR via the 2021 CKD-EPI equation (race-free, default standard for adults). Stages chronic kidney disease G1-G5.
Detailed instructions, formula notes, and US-context guidance shown in the calculator above.
Disclaimer: Estimate only. Consult a qualified professional for decisions with major financial, legal, or health consequences.
eGFR Calculator (CKD-EPI 2021)
Estimated GFR via the 2021 CKD-EPI equation (race-free). Standard for adults; stages chronic kidney disease G1-G5.
Estimated GFR
91.7 mL/min/1.73m²
CKD StageG1 Normal/High (if kidney damage present)
2021 CKD-EPI dropped the race coefficient. CKD diagnosis requires eGFR <60 sustained for 3+ months OR markers of kidney damage. Cystatin-C eGFR may be more accurate at extremes.
Frequently Asked Questions
What is the eGFR Calculator (CKD-EPI 2021) for?
Estimated GFR via the 2021 CKD-EPI equation (race-free, default standard for adults). Stages chronic kidney disease G1-G5.
How do I use the eGFR Calculator (CKD-EPI 2021)?
Detailed instructions, formula notes, and US-context guidance shown in the calculator above.
How accurate are my egfr (ckd-epi 2021) results?
Estimate only. Consult a qualified professional for decisions with major financial, legal, or health consequences.
Is the eGFR Calculator (CKD-EPI 2021) free to use?
Yes - every calculator on WhichCalc is completely free with no signup, no usage limits, and no tracking on the calculation itself. Results display instantly in your browser and your inputs are never sent to a server. Bookmark the page if you use this calculator regularly.