Weight for girls at 7 years
At 7 years, the median weight for girls on the CDC 2000 growth charts is 22.8 kg (50 lb 3 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 20.6 and 25.5 kg, a spread of 4.96 kg. The outer lines of the chart, the 3rd and 97th percentiles, sit at 17.7 and 33.2 kg.
Since 6 years, the median has risen by 2.52 kg over 1 year. By 8 years it reaches 25.6 kg.
For boys at 7 years the median is 23.1 kg, 0.31 kg more 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 7 years who weighs 24.4 kg is at about the 66th percentile, meaning that out of 100 girls this age, about 66 weigh less.
Percentiles at 7 years
Download CSV (all ages)| Percentile | z-score | Metric | Imperial |
|---|---|---|---|
| 3rd | −1.88 | 17.66 kg | 38 lb 15 oz |
| 5th | −1.64 | 18.15 kg | 40 lb 0 oz |
| 10th | −1.28 | 18.98 kg | 41 lb 14 oz |
| 25th | −0.67 | 20.58 kg | 45 lb 6 oz |
| 50th (median) | 0.00 | 22.76 kg | 50 lb 3 oz |
| 75th | +0.67 | 25.54 kg | 56 lb 5 oz |
| 90th | +1.28 | 28.82 kg | 63 lb 9 oz |
| 95th | +1.64 | 31.29 kg | 69 lb 0 oz |
| 97th | +1.88 | 33.17 kg | 73 lb 2 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).