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Use this calculator to estimate glomerular filtration rate (GFR) using the Modification of Diet in Renal Disease (MDRD) formula.
About this calculator
The formula used in this calculator may not be accurate when used in children, elderly patients, specific ethnic groups, pregnant women, those with unusual muscle mass, body habitus, and weight (e.g. morbid obesity or amputees) and patients with a normal GFR.
Levey AS, Bosch JP, Lewis JB, Greene T, Rogers N, Roth D. A more accurate method to estimate glomerular filtration rate from serum creatinine: a new prediction equation. Modification of Diet in Renal Disease Study Group. Ann Intern Med 130(6):461-70. (1999)
QxMD Nephrology contributing author: Daniel Schwartz, MD, FRCP(C)