Weight for girls at 11 years
At 11 years, the median weight for girls on the CDC 2000 growth charts is 37.2 kg (82 lb 0 oz): half of girls this age weigh less and half more. The middle half of girls, from the 25th to the 75th percentile, falls between 32.7 and 43.0 kg, a spread of 10.3 kg. The outer lines of the chart, the 3rd and 97th percentiles, sit at 26.7 and 58.4 kg.
Since 10 years, the median has risen by 4.31 kg over 1 year. By 12 years it reaches 41.6 kg.
For boys at 11 years the median is 35.9 kg, 1.31 kg less than for girls, which is why the charts are drawn separately by sex.
From 2 years CDC recommends its own 2000 growth charts, which draw the 3rd to the 97th percentile; under 2, the WHO charts draw the 2nd to the 98th.
Reading the table: a girl at 11 years who weighs 40.7 kg is at about the 67th percentile, meaning that out of 100 girls this age, about 67 weigh less.
Percentiles at 11 years
Download CSV (all ages)| Percentile | z-score | Metric | Imperial |
|---|---|---|---|
| 3rd | −1.88 | 26.69 kg | 58 lb 14 oz |
| 5th | −1.64 | 27.70 kg | 61 lb 1 oz |
| 10th | −1.28 | 29.40 kg | 64 lb 13 oz |
| 25th | −0.67 | 32.69 kg | 72 lb 1 oz |
| 50th (median) | 0.00 | 37.21 kg | 82 lb 0 oz |
| 75th | +0.67 | 42.97 kg | 94 lb 12 oz |
| 90th | +1.28 | 49.69 kg | 109 lb 9 oz |
| 95th | +1.64 | 54.67 kg | 120 lb 9 oz |
| 97th | +1.88 | 58.41 kg | 128 lb 12 oz |
CDC 2000 charts draw the 3rd to the 97th percentile. Values computed with the LMS method from the published tables (retrieved 2026-10-05).