Grip Strength Calculator
Compare your grip strength to age and sex norms with percentile ranking, z-score, sarcopenia/frailty screening, and hand asymmetry analysis
Measurement
Best of 3 attempts on a calibrated dynamometer (e.g., Jamar)
Enter dominant-hand grip and age to see your classification
Normative Grip Strength by Age (Dominant Hand, kg)
| Age | Male (mean ± SD) | Female (mean ± SD) |
|---|---|---|
| 20-24 | 49.0 ± 8.5 | 30.0 ± 6.0 |
| 25-29 | 50.0 ± 8.0 | 31.5 ± 6.0 |
| 30-34 | 50.5 ± 8.5 | 31.5 ± 6.5 |
| 35-39 | 49.0 ± 8.5 | 30.5 ± 6.5 |
| 40-44 | 47.5 ± 9.0 | 30.0 ± 6.5 |
| 45-49 | 46.5 ± 9.0 | 28.5 ± 6.5 |
| 50-54 | 44.5 ± 9.0 | 27.0 ± 6.5 |
| 55-59 | 42.5 ± 9.0 | 25.5 ± 6.5 |
| 60-64 | 40.0 ± 9.0 | 24.0 ± 6.0 |
| 65-69 | 37.5 ± 9.0 | 22.5 ± 6.0 |
| 70-74 | 34.5 ± 8.5 | 21.0 ± 5.5 |
| 75-79 | 31.0 ± 8.0 | 19.5 ± 5.0 |
| 80+ | 26.5 ± 7.5 | 17.0 ± 5.0 |
Sources: Bohannon RW (2019) US adult norms, Massy-Westropp et al. (2011), EWGSOP2 (2019) sarcopenia cutoffs, Fried CHS frailty criteria. Educational tool only — clinical assessment requires a calibrated dynamometer and trained operator.
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