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Average Height to Weight Chart: Babies to Teenagers

Outline: Average height to weight ratio chart by age for kids and teenage girls and boys in inches - pounds and centimeters - kilograms. Every baby, child, and teenager is different in the way they mature and grow during their teen years. On average, girls commence puberty around ages 10 to 11 and end puberty around 15 to 17 years old; boys start puberty around age 11 to 12 and end around 16 to 17 years of age.

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Are you older than 20? Try our Adults Height to Weight Chart.

Our easy to read optimum height to weight ratio charts, cover newborn babies to teenage girls and boys, and will give you a general idea of whether you are of average weight for your age and height without using complicated percentile graphs, however, please keep in mind the following:

1) - Height and weight ratio charts are not truly accurate measures or indicators, especially for young children and teenagers. Height to weight charts for girls and boys represent only a rough average and should be used in conjunction with a BMI calculator for kids.

2) - Young children and teenagers often have growth spurts during their growing years. During puberty your body will grow faster than at any other time in your life. On average, girls commence puberty around ages 10 to 11 and end puberty around 15 to 17 years old; boys start puberty around age 11 to 12 and end around 16 to 17 years of age (Wikipedia). During this period it is quite possible to gain and lose weight rapidly, as well as add inches to their heights seemingly overnight. This is particularly so in many adolescent girls who often experience dramatic changes in weight, bone composition, height, and body fat distribution - especially through their pubescent years.

Every baby, child, and teenager is different in the way they mature and grow during their teen years. Dieting for teens is not recommended as quite often you will find they will simply "grow out" of their "baby fat" as they mature into young adults. Your pediatrician or family physician is really the best person to consult if you are worried about your childs height to weight ratio as a doctor can use a medical growth chart to keep track of your progress as you mature.

Babies to Teens Height/Weight Table

Our height to weight chart now displays both Metric and Imperial measurements; Pounds/Kilograms and Inches/Centimeters.

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Average Height to Weight Ratio for Girls
Female Babies (0 to 11 Months)

AgeWeightLength
0 mth7.3 lb (3.3 kg)19.4" (49.2 cm)
1 mth9.6 lb (4.3 kg)21.2" (53.8 cm)
2 mth11.7 lb (5.3 kg)22.1" (56.1 cm)
3 mth13.3 lb (6.0 kg)23.6" (59.9 cm)
4 mth14.6 lb (6.6 kg)24.5" (62.2 cm)
5 mth15.8 lb (7.1 kg)25.3" (64.2 cm)
6 mth16.6 lb (7.5 kg)25.9" (64.1 cm)
7 mth17.4 lb (7.9 kg)26.5" (67.3 cm)
8 mth18.1 lb (8.2 kg)27.1" (68.8 cm)
9 mth18.8 lb (8.5 kg)27.6" (70.1 cm)
10 mth19.4 lb (8.8 kg)28.2" (71.6 cm)
11 mth19.9 lb (9.0 kg)28.7" (72.8 cm)
Female Toddlers Average Height to Weight Ratio (12 to 23 Months)
AgeWeightLength
12 mth20.4 lb (9.2 kg)29.2" (74.1 cm)
13 mth21.0 lb (9.5 kg)29.6" (75.1 cm)
14 mth21.5 lb (9.7 kg)30.1" (76.4 cm)
15 mth22.0 lb (9.9 kg)30.6" (77.7 cm)
16 mth22.5 lb (10.2 kg)30.9" (78.4 cm)
17 mth23.0 lb (10.4 kg)31.4" (79.7 cm)
18 mth23.4 lb (10.6 kg)31.8" (80.7 cm)
19 mth23.9 lb (10.8 kg)32.2" (81.7 cm)
20 mth24.4 lb (11 kg)32.6" (82.8 cm)
21 mth24.9 lb (11.3 kg)32.9" (83.5 cm)
22 mth25.4 lb (11.5 kg)33.4" (84.8 cm)
23 mth25.9 lb (11.7 kg)33.5" (85.1 cm)
Average Height to Weight Ratio for Female Children (2 to 12 Years)
AgeWeightHeight
2 yrs26.5 lb (12.0 kg)33.7" (85.5 cm)
3 yrs31.5 lb (14.2 kg)37.0" (94 cm)
4 yrs34.0 lb (15.4 kg)39.5" (100.3 cm)
5 yrs39.5 lb (17.9 kg)42.5" (107.9 cm)
6 yrs44.0 lb (19.9 kg)45.5" (115.5 cm)
7 yrs49.5 lb (22.4 kg)47.7" (121.1 cm)
8 yrs57.0 lb (25.8 kg)50.5" (128.2 cm)
9 yrs62.0 lb (28.1 kg)52.5" (133.3 cm)
10 yrs70.5 lb (31.9 kg)54.5" (138.4 cm)
11 yrs81.5 lb (36.9 kg)56.7" (144 cm)
12 yrs91.5 lb (41.5 kg)59.0" (149.8 cm)
Teenage Girls Average Height to Weight Ratio (13 to 20 Years)
AgeWeightHeight
13 yrs101.0 lb (45.8 kg)61.7" (156.7 cm)
14 yrs105.0 lb (47.6 kg)62.5" (158.7 cm)
15 yrs115.0 lb (52.1 kg)62.9" (159.7 cm)
16 yrs118.0 lb (53.5 kg)64.0" (162.5 cm)
17 yrs120.0 lb (54.4 kg)64.0" (162.5 cm)
18 yrs125.0 lb (56.7 kg)64.2" (163 cm)
19 yrs126.0 lb (57.1 kg)64.2" (163 cm)
20 yrs128.0 lb (58.0 kg)64.3" (163.3 cm)

Average Height to Weight Ratio for Boys

Average Height to Weight Ratio for Male Babies (0 to 11 Months)

AgeWeightLength
0 mth7.4 lb (3.3 kg)19.6" (49.8 cm)
1 mth9.8 lb (4.4 kg)21.6" (54.8 cm)
2 mth12.3 lb (5.6 kg)23.0" (58.4 cm)
3 mth14.1 lb (6.4 kg)24.2" (61.4 cm)
4 mth15.4 lb (7 kg)25.2" (64 cm)
5 mth16.6 lb (7.5 kg)26.0" (66 cm)
6 mth17.5 lb (7.9 kg)26.6" (67.5 cm)
7 mth18.3 lb (8.3 kg)27.2" (69 cm)
8 yrs19.0 lb (8.6 kg)27.8" (70.6 cm)
9 mth19.6 lb (8.9 kg)28.3" (71.8 cm)
10 mth20.1 lb (9.1 kg)28.8" (73.1 cm)
11 mth20.8 lb (9.4 kg)29.3" (74.4 cm)
Male Toddlers Average Height to Weight Ratio (12 to 23 Months)
AgeWeightLength
12 mth21.3 lb (9.6 kg)29.8" (75.7 cm)
13 mth21.8 lb (9.9 kg)30.3" (76.9 cm)
14 mth22.3 lb (10.1 kg)30.7" (77.9 cm)
15 mth22.7 lb (10.3 kg)31.2" (79.2 cm)
16 mth23.2 lb (10.5 kg)31.6" (80.2 cm)
17 mth23.7 lb (10.7 kg)32.0" (81.2 cm)
18 mth24.1 lb (10.9 kg)32.4" (82.2 cm)
19 mth24.6 lb (11.2 kg)32.8" (83.3 cm)
20 mth25.0 lb (11.3 kg)33.1" (84 cm)
21 mth25.5 lb (11.5 kg)33.5" (85 cm)
22 mth25.9 lb (11.7 kg)33.9" (86.1 cm)
23 mth26.3 lb (11.9 kg)34.2" (86.8 cm)
Average Height to Weight Ratio for Male Children (2 to 12 Years)
AgeWeightHeight
2 yrs27.5 lb (12.5 kg)34.2" (86.8 cm)
3 yrs31.0 lb (14.0 kg)37.5" (95.2 cm)
4 yrs36.0 lb (16.3 kg)40.3" (102.3 cm)
5 yrs40.5 lb (18.4 kg)43.0" (109.2 cm)
6 yrs45.5 lb (20.6 kg)45.5" (115.5 cm)
7 yrs50.5 lb (22.9 kg)48.0" (121.9 cm)
8 yrs56.5 lb (25.6 kg)50.4" (128 cm)
9 yrs63.0 lb (28.6 kg)52.5" (133.3 cm)
10 yrs70.5 lb (32 kg)54.5" (138.4 cm)
11 yrs78.5 lb (35.6 kg)56.5" (143.5 cm)
12 yrs88.0 lb (39.9 kg)58.7" (149.1 cm)
Male Teens Average Height to Weight Ratio (13 to 20 Years)
AgeWeightHeight
13 yrs100.0 lb (45.3 kg)61.5" (156.2 cm)
14 yrs112.0 lb (50.8 kg)64.5" (163.8 cm)
15 yrs123.5 lb (56.0 kg)67.0" (170.1 cm)
16 yrs134.0 lb (60.8 kg)68.3" (173.4 cm)
17 yrs142.0 lb (64.4 kg)69.0" (175.2 cm)
18 yrs147.5 lb (66.9 kg)69.2" (175.7 cm)
19 yrs152.0 lb (68.9 kg)69.5" (176.5 cm)
20 yrs155.0 lb (70.3 kg)69.7" (177 cm)

Printable Height/Weight Chart for Girls from Baby to Teenage Years

Printable Height Weight Chart for Girls

Printable Height/Weight Chart for Boys from Baby to Teenage Youth

Printable Height Weight Chart for Boys

*Information and data for above growth charts sourced from The World Health Organization (WHO), Gerontology Research Center (National Institutes of Health (NIH), USA), and the U.S. Centers for Disease Control and Prevention (CDC).

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