Weight for girls at 20 years
At 20 years, the median weight for girls on the CDC 2000 growth charts is 58.2 kg (128 lb 6 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 52.5 and 65.9 kg, a spread of 13.4 kg. The outer lines of the chart, the 3rd and 97th percentiles, sit at 45.0 and 89.0 kg.
Since 19 years, the median has risen by 0.91 kg over 1 year.
For boys at 20 years the median is 70.6 kg, 12.4 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 20 years who weighs 62.8 kg is at about the 67th percentile, meaning that out of 100 girls this age, about 67 weigh less.
Percentiles at 20 years
Download CSV (all ages)| Percentile | z-score | Metric | Imperial |
|---|---|---|---|
| 3rd | −1.88 | 45.05 kg | 99 lb 5 oz |
| 5th | −1.64 | 46.29 kg | 102 lb 1 oz |
| 10th | −1.28 | 48.38 kg | 106 lb 11 oz |
| 25th | −0.67 | 52.48 kg | 115 lb 11 oz |
| 50th (median) | 0.00 | 58.22 kg | 128 lb 6 oz |
| 75th | +0.67 | 65.85 kg | 145 lb 3 oz |
| 90th | +1.28 | 75.35 kg | 166 lb 2 oz |
| 95th | +1.64 | 82.95 kg | 182 lb 14 oz |
| 97th | +1.88 | 89.04 kg | 196 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).