Formula:

For Male

D = ((7.57 × Height) - (5.02 × Age) - (1.76 × Weight) - 309)

For Female

D=( (2.11 × Height) - (5.78 × Age) - (2.29 × Weight) + 667)

P = (C / D × 100)

Where,

D = Expected 6 Minute Walk Distance For Healthy Patient(m)

P = Percentage of Normal

C = Distance Walked(m)