* Required Field  
    Age*:  years (>16 only, use Schwartz Formula for children)

    Serum Creatinine*:  micromols/L

    Serum Albumin*:  g/L

    Serum Urea*:  millimols/L (mmol/L)

    Please enter values in the units above only. If you need to convert please click here.

    Gender*:

    Ethnicity*:




    Normal Range: 100 - 130 ml/min / 1.73m2 (for M and F)

    Stages of Chronic Kidney Disease:
    Stage: GFR:
    1 >= 90
    2 60 - 89
    3 30 - 59
    4 15 - 29
    5 < 15


    EGFR = 170 x (S Albumin (g/dL))0.318 x [0.762 if female] x [1.180 if Black]
    (S Creatinine(mg/dL))0.999 x Age0.176 x (S Urea(mg/dL))0.70