Boys 6 - 18 years

Weight in kg

Age	Small child	Middle child	Big child
6 years	17.5	21.2	26.2
7 years	19.0	23.2	29.0
8 years	21.5	26.0	31.0
9 years	23.5	28.5	34.0
10 years	26.0	31.0	39.0
11 years	28.0	33.5	43.5
12 years	30.0	37.5	48.0
13 years	32.0	42.0	57.0
14 years	35.0	48.0	63.0
15 years	39.0	54.0	67.0
16 years	45.0	60.0	70.0
17 years	50.5	63.0	70.5
18 years	53.0	64.0	71.0

Most children (95%) will be somewhere between small and big child.

Height in cm

Age	Little child	Middle child	Big child
6 years	108	118	128
7 years	113	123	135
8 years	118	129	139
9 years	123	134	144
10 years	128	138	150
11 years	132	143	156
12 years	136	148	162
13 years	140	154	171
14 years	145	161	178
15 years	151	168	183
16 years	158	174	187
17 years	164	178	188
18 years	167	179	189

Most children (95%) will be somewhere between small and big child.

Further reading on Girls 0 - 5 Years