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

    Weight*:  Kg

    Serum Creatinine*:  micromols/L

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

    Gender*:




    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 = [1.23 if M or 1.03 if F] x Weight (kg) x (140-Age)

    (S Creatinine(micromol/L))