Age (months)                 0-1              1-2             2-4                4-6                 6-9              9-12
Length (cm)/(inch)      50 / 20         56 / 22       62 / 24           68 / 27           74 / 29          80 / 31 
Weight (kilos)/(lbs)       4 / 9       4½-6/10-13 6½-7/14-16  7½-8½/17-19  9-10/20-22 11-12/23-26
Chest (cm)/(inch)        41 / 16         43 / 17        45 / 17.5        47 / 18.5        49 / 19          51 / 20
Inside leg length
(cm)/(inch)                    16 / 6          19 / 7.5        21 / 8             24 / 9.5        27 / 10.5        30 / 12 

Age (years)             1-1½         1½-2             2-3            3-4              4-5         5-6          6-7
Length (cm)/(inch)   86 / 34       92 / 36      98 / 38-39   104 / 41    110 / 43    116 / 46   122 / 48 
Chest (cm)/(inch)     53 / 20.5    54 / 21      55 / 21       56 / 21.5    57 / 22     58 / 22.5   60 / 23 
Waist (cm)/(inch)    50 / 19       51 / 19.5    52 / 20       53 / 20.5    54 / 21     55 / 21      56½ / 22
Seat (cm)/(inch)      53 / 20.5     55 / 21      57 / 22       59 / 22.5    61 / 23.5    63 / 24    66 / 25.5
Inside leg length
(cm)/(inch)                33 / 13       37 / 14.5    40 / 15.5     44 / 17      48 / 19      51 / 20    55 /21

Age (years)                 7-8             8-9             9-10         10-11       11-12        12-13         13-14
Length (cm)/(inch)    128 / 50     134 /52-53   140 / 55    146 / 57    152 / 60    158 / 62     164 /64
Chest (cm)/(inch)      62 / 24       64 / 24.5     67½ / 26     71 / 27.5  74½ / 28.5 78 / 30   81½ / 31.5 
Waist (cm)/(inch)     58 / 22.5    59½ / 23     61 / 23.5     63 / 24.5  65 / 25    66½ / 25.5 68½ / 26.5
Seat (cm)/(inch)       69 / 26.5     72 / 27.5    75 / 29        78 / 30     82 / 31.5   85 / 33      88 / 34 
Inside leg length
(cm)/(inch)                59 / 22.5     62 / 24      66 / 25.5      69 / 26.5  72 / 26.5   75 / 29      77 / 29.5