* Required Field  


    Age Group* (Please select from below):
    (16 or under only, use MDRD or Cockroft-Gault formulae for adults)

    height*:   (1m = 100cm / 1ft = 30.48cm / 1inch = 2.54cm) 

    Serum Creatinine*:  micromols/L

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




    Normal Range: 100 - 130 ml/min / 1.73m2

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


    EGFR = [k] x Height (cm)
    (S Creatinine(mg/dL))
      k = 0.33 for Preterm or Low birthweight infant
    k = 0.45 from birth to 12 months
    k = 0.55 from 1 - 11+
    k = 0.55 for Girls aged 12 - 16
    k = 0.7 for Boys aged 12 - 16