30-second chair stand calculator for 40+: percentile by age & sex
How many times you can stand up fully from a chair in 30 seconds, arms crossed. A practical test of leg strength and independence.
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How to do the test
Standard 17-inch (43 cm) chair against a wall. Arms crossed on chest. Stand fully, sit fully, repeat for 30 seconds. Count full stands.
30-second chair stand norms for men 40+
| Men · age | 2.5th | 25th | 50th | 75th | 97.5th |
|---|---|---|---|---|---|
| 40–49 | 13 | 15 | 16 | 24 | 37 |
| 50–59 | 11 | 16 | 18 | 21 | 34 |
| 60–64 | — | 14 | — | 19 | — |
| 65–69 | — | 12 | — | 18 | — |
| 70–74 | — | 12 | — | 17 | — |
| 75–79 | — | 11 | — | 17 | — |
| 80–84 | — | 10 | — | 15 | — |
| 85–89 | — | 8 | — | 14 | — |
| 90–94 | — | 7 | — | 12 | — |
Values in reps at each published percentile. “—” = not published by the source (we don’t estimate it).
30-second chair stand norms for women 40+
| Women · age | 2.5th | 25th | 50th | 75th | 97.5th |
|---|---|---|---|---|---|
| 40–49 | 11 | 15 | 17 | 20 | 25 |
| 50–59 | 10 | 14 | 16 | 20 | 29 |
| 60–64 | — | 12 | — | 17 | — |
| 65–69 | — | 11 | — | 16 | — |
| 70–74 | — | 10 | — | 15 | — |
| 75–79 | — | 10 | — | 15 | — |
| 80–84 | — | 9 | — | 14 | — |
| 85–89 | — | 8 | — | 13 | — |
| 90–94 | — | 4 | — | 11 | — |
Values in reps at each published percentile. “—” = not published by the source (we don’t estimate it).
By age group
- men 40–49
- women 40–49
- men 50–59
- women 50–59
- men 60–69
- women 60–69
- men 70–79
- women 70–79
- men 80–89
- women 80–89
Not a diagnosis. Strong After 40 compares your numbers to published population norms for education and motivation only. It is not medical advice. Consult your doctor before starting a new exercise program or doing maximal-effort tests, especially if you have heart, joint, or other health conditions. Full disclaimer
- 30 Seconds Sit-to-Stand Test: Reference Values for the Chilean Population. Revista Médica de Chile. 2025;153(5):329–339. Table 2 (percentiles 2.5, 25, 50, 75, 97.5). doi:10.4067/s0034-98872025000500329. Sample: 499 adults (287 women, 212 men) from six Chilean centres.
- Rikli RE, Jones CJ. Functional fitness normative scores for community-residing older adults, ages 60–94. Journal of Aging and Physical Activity. 1999;7:162–181. Normal range (25th–75th percentile) as reproduced in the OARSI Recommended Performance-Based Tests manual (2013), p. 22. doi:10.1123/japa.7.2.162. Sample: 7,183 community-dwelling US adults aged 60–94 (267 sites, 21 states).