Weight for boys at 10 years
At 10 years, the median weight for boys on the CDC 2000 growth charts is 31.9 kg (70 lb 6 oz): half of boys this age weigh less and half more. The middle half of boys, from the 25th to the 75th percentile, falls between 28.5 and 36.4 kg, a spread of 7.83 kg. The outer lines of the chart, the 3rd and 97th percentiles, sit at 24.1 and 49.1 kg.
Since 9 years, the median has risen by 3.38 kg over 1 year. By 11 years it reaches 35.9 kg.
For girls at 10 years the median is 32.9 kg, 0.96 kg more than for boys, 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 boy at 10 years who weighs 34.6 kg is at about the 67th percentile, meaning that out of 100 boys this age, about 67 weigh less.
Percentiles at 10 years
Download CSV (all ages)| Percentile | z-score | Metric | Imperial |
|---|---|---|---|
| 3rd | −1.88 | 24.10 kg | 53 lb 2 oz |
| 5th | −1.64 | 24.85 kg | 54 lb 12 oz |
| 10th | −1.28 | 26.10 kg | 57 lb 9 oz |
| 25th | −0.67 | 28.54 kg | 62 lb 15 oz |
| 50th (median) | 0.00 | 31.94 kg | 70 lb 6 oz |
| 75th | +0.67 | 36.37 kg | 80 lb 3 oz |
| 90th | +1.28 | 41.74 kg | 92 lb 0 oz |
| 95th | +1.64 | 45.90 kg | 101 lb 3 oz |
| 97th | +1.88 | 49.14 kg | 108 lb 5 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).