Weight for girls at 6 years
At 6 years, the median weight for girls on the CDC 2000 growth charts is 20.2 kg (44 lb 10 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 18.4 and 22.5 kg, a spread of 4.13 kg. The outer lines of the chart, the 3rd and 97th percentiles, sit at 15.9 and 28.7 kg.
Since 5 years, the median has risen by 2.31 kg over 1 year. By 7 years it reaches 22.8 kg.
For boys at 6 years the median is 20.7 kg, 0.44 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 6 years who weighs 21.6 kg is at about the 66th percentile, meaning that out of 100 girls this age, about 66 weigh less.
Percentiles at 6 years
Download CSV (all ages)| Percentile | z-score | Metric | Imperial |
|---|---|---|---|
| 3rd | −1.88 | 15.94 kg | 35 lb 2 oz |
| 5th | −1.64 | 16.36 kg | 36 lb 1 oz |
| 10th | −1.28 | 17.07 kg | 37 lb 10 oz |
| 25th | −0.67 | 18.41 kg | 40 lb 9 oz |
| 50th (median) | 0.00 | 20.24 kg | 44 lb 10 oz |
| 75th | +0.67 | 22.55 kg | 49 lb 11 oz |
| 90th | +1.28 | 25.23 kg | 55 lb 10 oz |
| 95th | +1.64 | 27.23 kg | 60 lb 1 oz |
| 97th | +1.88 | 28.75 kg | 63 lb 6 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).