Note: We have a separate Height to Weight Ratio Chart for Adults.
Our easy to read height to weight ratio charts, cover newborn babies to teenage girls and boys, and will give you a rough idea of whether you are of average weight for your age and height without using complicated percentile graphs. Please keep in mind the following:
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. Kids and teenagers have growth spurts during their young years. 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.
 Average Height to Weight Ratio for Girls |
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| Female Babies | ||
| Age | Weight | Length |
| 0 mth | 7.3 lb (3.3 kg) | 19.4" (49.2 cm) |
| 1 mth | 9.6 lb (4.3 kg) | 21.2" (53.8 cm) |
| 2 mth | 11.7 lb (5.3 kg) | 22.1" (56.1 cm) |
| 3 mth | 13.3 lb (6.0 kg) | 23.6" (59.9 cm) |
| 4 mth | 14.6 lb (6.6 kg) | 24.5" (62.2 cm) |
| 5 mth | 15.8 lb (7.1 kg) | 25.3" (64.2 cm) |
| 6 mth | 16.6 lb (7.5 kg) | 25.9" (64.1 cm) |
| 7 mth | 17.4 lb (7.9 kg) | 26.5" (67.3 cm) |
| 8 mth | 18.1 lb (8.2 kg) | 27.1" (68.8 cm) |
| 9 mth | 18.8 lb (8.5 kg) | 27.6" (70.1 cm) |
| 10 mth | 19.4 lb (8.8 kg) | 28.2" (71.6 cm) |
| 11 mth | 19.9 lb (9.0 kg) | 28.7" (72.8 cm) |
| Female Toddlers | ||
| Age | Weight | Length |
| 12 mth | 20.4 lb (9.2 kg) | 29.2" (74.1 cm) |
| 13 mth | 21.0 lb (9.5 kg) | 29.6" (75.1 cm) |
| 14 mth | 21.5 lb (9.7 kg) | 30.1" (76.4 cm) |
| 15 mth | 22.0 lb (9.9 kg) | 30.6" (77.7 cm) |
| 16 mth | 22.5 lb (10.2 kg) | 30.9" (78.4 cm) |
| 17 mth | 23.0 lb (10.4 kg) | 31.4" (79.7 cm) |
| 18 mth | 23.4 lb (10.6 kg) | 31.8" (80.7 cm) |
| 19 mth | 23.9 lb (10.8 kg) | 32.2" (81.7 cm) |
| 20 mth | 24.4 lb (11 kg) | 32.6" (82.8 cm) |
| 21 mth | 24.9 lb (11.3 kg) | 32.9" (83.5 cm) |
| 22 mth | 25.4 lb (11.5 kg) | 33.4" (84.8 cm) |
| 23 mth | 25.9 lb (11.7 kg) | 33.5" (85.1 cm) |
| Female Children | ||
| Age | Weight | Height |
| 2 yrs | 26.5 lb (12.0 kg) | 33.7" (85.5 cm) |
| 3 yrs | 31.5 lb (14.2 kg) | 37.0" (94 cm) |
| 4 yrs | 34.0 lb (15.4 kg) | 39.5" (100.3 cm) |
| 5 yrs | 39.5 lb (17.9 kg) | 42.5" (107.9 cm) |
| 6 yrs | 44.0 lb (19.9 kg) | 45.5" (115.5 cm) |
| 7 yrs | 49.5 lb (22.4 kg) | 47.7" (121.1 cm) |
| 8 yrs | 57.0 lb (25.8 kg) | 50.5" (128.2 cm) |
| 9 yrs | 62.0 lb (28.1 kg) | 52.5" (133.3 cm) |
| 10 yrs | 70.5 lb (31.9 kg) | 54.5" (138.4 cm) |
| 11 yrs | 81.5 lb (36.9 kg) | 56.7" (144 cm) |
| 12 yrs | 91.5 lb (41.5 kg) | 59.0" (149.8 cm) |
| Female Teenagers | ||
| Age | Weight | Height |
| 13 yrs | 101.0 lb (45.8 kg) | 61.7" (156.7 cm) |
| 14 yrs | 105.0 lb (47.6 kg) | 62.5" (158.7 cm) |
| 15 yrs | 115.0 lb (52.1 kg) | 62.9" (159.7 cm) |
| 16 yrs | 118.0 lb (53.5 kg) | 64.0" (162.5 cm) |
| 17 yrs | 120.0 lb (54.4 kg) | 64.0" (162.5 cm) |
| 18 yrs | 125.0 lb (56.7 kg) | 64.2" (163 cm) |
| 19 yrs | 126.0 lb (57.1 kg) | 64.2" (163 cm) |
| 20 yrs | 128.0 lb (58.0 kg) | 64.3" (163.3 cm) |
 Average Height to Weight Ratio for Boys |
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|---|---|---|
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| Male Babies | ||
| Age | Weight | Length |
| 0 mth | 7.4 lb (3.3 kg) | 19.6" (49.8 cm) |
| 1 mth | 9.8 lb (4.4 kg) | 21.6" (54.8 cm) |
| 2 mth | 12.3 lb (5.6 kg) | 23.0" (58.4 cm) |
| 3 mth | 14.1 lb (6.4 kg) | 24.2" (61.4 cm) |
| 4 mth | 15.4 lb (7 kg) | 25.2" (64 cm) |
| 5 mth | 16.6 lb (7.5 kg) | 26.0" (66 cm) |
| 6 mth | 17.5 lb (7.9 kg) | 26.6" (67.5 cm) |
| 7 mth | 18.3 lb (8.3 kg) | 27.2" (69 cm) |
| 8 yrs | 19.0 lb (8.6 kg) | 27.8" (70.6 cm) |
| 9 mth | 19.6 lb (8.9 kg) | 28.3" (71.8 cm) |
| 10 mth | 20.1 lb (9.1 kg) | 28.8" (73.1 cm) |
| 11 mth | 20.8 lb (9.4 kg) | 29.3" (74.4 cm) |
| Male Toddlers | ||
| Age | Weight | Length |
| 12 mth | 21.3 lb (9.6 kg) | 29.8" (75.7 cm) |
| 13 mth | 21.8 lb (9.9 kg) | 30.3" (76.9 cm) |
| 14 mth | 22.3 lb (10.1 kg) | 30.7" (77.9 cm) |
| 15 mth | 22.7 lb (10.3 kg) | 31.2" (79.2 cm) |
| 16 mth | 23.2 lb (10.5 kg) | 31.6" (80.2 cm) |
| 17 mth | 23.7 lb (10.7 kg) | 32.0" (81.2 cm) |
| 18 mth | 24.1 lb (10.9 kg) | 32.4" (82.2 cm) |
| 19 mth | 24.6 lb (11.2 kg) | 32.8" (83.3 cm) |
| 20 mth | 25.0 lb (11.3 kg) | 33.1" (84 cm) |
| 21 mth | 25.5 lb (11.5 kg) | 33.5" (85 cm) |
| 22 mth | 25.9 lb (11.7 kg) | 33.9" (86.1 cm) |
| 23 mth | 26.3 lb (11.9 kg) | 34.2" (86.8 cm) |
| Male Children | ||
| Age | Weight | Height |
| 2 yrs | 27.5 lb (12.5 kg) | 34.2" (86.8 cm) |
| 3 yrs | 31.0 lb (14.0 kg) | 37.5" (95.2 cm) |
| 4 yrs | 36.0 lb (16.3 kg) | 40.3" (102.3 cm) |
| 5 yrs | 40.5 lb (18.4 kg) | 43.0" (109.2 cm) |
| 6 yrs | 45.5 lb (20.6 kg) | 45.5" (115.5 cm) |
| 7 yrs | 50.5 lb (22.9 kg) | 48.0" (121.9 cm) |
| 8 yrs | 56.5 lb (25.6 kg) | 50.4" (128 cm) |
| 9 yrs | 63.0 lb (28.6 kg) | 52.5" (133.3 cm) |
| 10 yrs | 70.5 lb (32 kg) | 54.5" (138.4 cm) |
| 11 yrs | 78.5 lb (35.6 kg) | 56.5" (143.5 cm) |
| 12 yrs | 88.0 lb (39.9 kg) | 58.7" (149.1 cm) |
| Male Teenagers | ||
| Age | Weight | Height |
| 13 yrs | 100.0 lb (45.3 kg) | 61.5" (156.2 cm) |
| 14 yrs | 112.0 lb (50.8 kg) | 64.5" (163.8 cm) |
| 15 yrs | 123.5 lb (56.0 kg) | 67.0" (170.1 cm) |
| 16 yrs | 134.0 lb (60.8 kg) | 68.3" (173.4 cm) |
| 17 yrs | 142.0 lb (64.4 kg) | 69.0" (175.2 cm) |
| 18 yrs | 147.5 lb (66.9 kg) | 69.2" (175.7 cm) |
| 19 yrs | 152.0 lb (68.9 kg) | 69.5" (176.5 cm) |
| 20 yrs | 155.0 lb (70.3 kg) | 69.7" (177 cm) |
Height to weight chart now in both Metric and Imperial measurements; Pounds/Kilograms - Inches/Centimeters.
Older than 20? Try our Adults Height to Weight Chart.
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" or 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.
*Information and data for above growth charts sourced from The World Health Organization (WHO), Gerontology Research Center (National Institutes of Health, USA), and the U.S. Centers for Disease Control and Prevention (CDC).
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