GFR Calculator

Calculate estimated Glomerular Filtration Rate (eGFR) using the CKD-EPI and MDRD equations for kidney function assessment.

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Important Health Disclaimer

This calculator provides general health information based on standard medical formulas and WHO guidelines. Results are for informational and educational purposes only and should not be considered as professional medical advice, diagnosis, or treatment recommendations.

For health concerns, medical conditions, fitness plans, or dietary decisions, please consult with qualified healthcare professionals, licensed physicians, registered dietitians, or certified fitness trainers who can evaluate your individual health status and medical history.

Individual health needs vary significantly. These calculations are general estimates and may not be appropriate for everyone, especially those with existing medical conditions, pregnant women, children, or elderly individuals.

Not a substitute for professional medical advice

Patient Information

years

Note: CKD-EPI 2021 is race-free

eGFR (CKD-EPI 2021)

76.0 mL/min/1.73m²

CKD Stage G2

🔬CKD-EPI 2021
76.0
📊MDRD
65.5

Interpretation

Mildly decreased kidney function

CKD Stages

StageGFR (mL/min/1.73m²)Description
G1≥90Normal or high
G260-89Mildly decreased
G3a45-59Mildly to moderately decreased
G3b30-44Moderately to severely decreased
G415-29Severely decreased
G5< 15Kidney failure
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sources

  • World Health Organization (WHO) — Global health metrics, disease classification, and nutritional standards. who.int
  • Centers for Disease Control and Prevention (CDC) — Health statistics, BMI guidelines, and disease prevention data. cdc.gov
  • National Institutes of Health (NIH) — Medical research, clinical guidelines, and health calculators. nih.gov
  • Mayo Clinic — Clinical health information, disease reference, and wellness guidance. mayoclinic.org

For a complete list of all references used across the site, visit our full sources page.

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Editorial Note

MyCalcBuddy Editorial Team

This page is maintained as an educational calculator reference.

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Formula Source: WHO Health Metrics Standards

by World Health Organization

🔄Last reviewed: May 2026
✓Formula checks are based on standard references and internal QA review.