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description=Free eGFR calculator with 17+ validated equations including CKD-EPI 2021, MDRD, Cockcroft-Gault, and Schwartz. Includes CKD stage guidance, formula details, and support for umol/L and mg/dL creatinine input.;
author=eGFR.app Medical Team;
keywords=eGFR calculator,GFR calculator,kidney function calculator,glomerular filtration rate calculator,CKD-EPI calculator,CKD-EPI 2021 calculator,CKD-EPI 2009 calculator,MDRD calculator,Cockcroft-Gault calculator,creatinine clearance calculator,EKFC calculator,FAS calculator,BIS-1 calculator,pediatric eGFR calculator,Schwartz equation calculator,CKiD U25 calculator,cystatin C eGFR calculator,neonatal eGFR calculator,CKD staging calculator,race-free eGFR calculator,serum creatinine calculator,nephrology calculator,eGFR calculator umol/L,eGFR calculator mg/dL;

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egfr calculator ckd epi mdrd cockcroft gault ekfc and more skip to results egfr calculator fast kidney function estimates using 17 validated adult and pediatric equations enter age sex and serum creatinine add cystatin c height or weight when available to unlock additional equations 17 validated equations ckd stage guidance reference details included free forever without ads use a sample patient fill the form with one tap patient data required age sex and serum creatinine or cystatin c optional fields unlock more equations age age date of birth sex male female race non black black serum creatinine mg dl umol l cystatin c mg l weight kg lbs height cm ft in in bun mg dl mmol l albumin g dl g l uacr mg g mg mmol supported equations 18 equations available enter patient data to activate them ekfc european kidney function consortium 2021 recommended 2021 required to run age sex creatinine equation page show details ckd epi 2021 recommended 2021 required to run age sex creatinine equation page show details ckd epi 2021 creatinine cystatin c recommended 2021 required to run age sex creatinine cystatin c equation page show details ckd epi cystatin c 2012 recommended 2012 required to run age sex cystatin c equation page show details ckid u25 creatinine recommended 2021 required to run age sex height creatinine equation page show details ckid u25 creatinine cystatin c recommended 2021 required to run age sex height creatinine cystatin c equation page show details schwartz pediatric recommended 2009 required to run height creatinine equation page show details neonatal egfr recommended 2022 required to run age height creatinine equation page neonatal equation has p30 accuracy of 74 4 interpret with caution show details ckd epi 2009 2009 required to run age sex creatinine equation page show details mdrd 4 variable idms 2006 required to run age sex creatinine equation page show details ckid u25 cystatin c 2021 required to run age sex cystatin c equation page may not be appropriate for screening asymptomatic patients show details cockcroft gault 1976 required to run age sex creatinine weight equation page show details fas full age spectrum 2016 2016 required to run age sex creatinine equation page show details ekfc cystatin c 2023 2023 required to run age cystatin c equation page show details ekfc combined creatinine cystatin c 2023 required to run age sex creatinine cystatin c equation page show details capa 2014 2014 required to run cystatin c age equation page show details lund malmö 2011 required to run age sex creatinine equation page show details bis berlin initiative study 2012 required to run age sex creatinine equation page show details quick guide this calculator compares validated kidney function equations and ranks the best fit first it is built for fast clinical reference not long form reading adult default ckd epi 2021 is the preferred starting point for most adults pediatric use children and young adults often need height aware pediatric equations extra biomarkers cystatin c weight and height enable additional validated equations ckd stage reference g1 90 normal or high g2 60 89 mildly decreased g3a 45 59 mild to moderate decrease g3b 30 44 moderate to severe decrease g4 15 29 severely decreased g5 15 kidney failure faq which equation should i use for most adults start with ckd epi 2021 for children use pediatric equations such as schwartz or ckid if cystatin c is available combined equations can improve confidence what is a normal egfr in adults egfr 90 ml min 1 73 m2 or higher is typically considered normal lower values should be interpreted with albuminuria trend over time and clinical context why are there multiple results different equations are validated for different ages biomarkers and use cases the calculator ranks the most appropriate option first and still lets you compare alternatives when do height and weight matter weight is needed for cockcroft gault height is often important for pediatric equations and for body surface area based conversions can i rely on this alone for clinical decisions no egfr is an estimate use it alongside the patient history medications laboratory context and clinical judgment about evidence based kidney function estimates for clinical reference and education resources all egfr equations kdigo guidelines niddk gfr resources national kidney foundation contact questions or feedback about the calculator hello egfr app for educational and clinical reference use interpret results in clinical context 2026 egfr app