Grip strength test at home: how to measure and what your score means
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Grip strength test at home: how to measure and what your score means

Learn how to test your grip strength at home with or without a dynamometer. Includes normal values by age and gender, scoring chart, and exercises to improve.

#grip-strength #strength-test #home-test #normal-ranges #muscle-strength #aging #longevity

You can spend hundreds of dollars on blood tests, imaging scans, and genetic panels to assess your health — or you can squeeze a small device for 5 seconds and learn something useful about muscle function, frailty risk, and healthy aging.

Grip strength is one of the better-studied functional biomarkers in aging research. A Lancet study of 139,691 participants found that it predicted all-cause and cardiovascular mortality better than systolic blood pressure in that cohort. Yet most people have never tested theirs, and those who have often do not know how to interpret the result.

The good news: you can test your grip strength at home in under 5 minutes, with or without specialized equipment. This guide shows you how to measure it consistently, what the score can mean, and when a low value deserves follow-up.

Quick answer

The best at-home grip strength test uses a hand dynamometer: sit upright, bend your elbow to 90 degrees, keep your wrist neutral, squeeze smoothly for 3-5 seconds, repeat three times per hand, and record the best score. Bathroom-scale and dead-hang tests can give rough tracking signals, but they are not as standardized as a dynamometer.

Key facts

  • Dynamometer test -> grip strength -> most standardized home method: a low-cost hand dynamometer gives the most repeatable at-home estimate when posture and handle position stay consistent.
  • Grip strength -> mortality and disability risk -> cohort marker: low grip strength is associated with higher mortality and disability risk, but it does not determine lifespan on its own.
  • Age and sex norms -> interpretation -> context matters: compare your score with age, sex, body size, dominant hand, device type, and testing position.
  • Low grip strength -> sarcopenia screening -> follow-up signal: EWGSOP2 uses <27 kg for men and <16 kg for women as low-strength cutoffs in sarcopenia case-finding.
  • Repeat testing -> trend -> more useful than one score: tracking every 3-6 months is usually more informative than reacting to a single noisy measurement.

What you’ll learn:

  • Three methods to test grip strength at home
  • Normal values by age and gender with scoring chart
  • How to interpret your results
  • Simple exercises to improve a weak grip

Why grip strength matters

Grip strength is not just about hand power — it is a practical proxy for musculoskeletal and neuromuscular function. The force you can generate with your hand correlates with total-body muscle mass, upper-body strength, and functional capacity.

Quick definition: Grip strength is the maximum force your hand can produce when squeezing, typically measured in kilograms (kg) or pounds (lbs) using a handheld dynamometer. Normal values vary widely by age, sex, body size, hand dominance, and testing protocol.

What low grip strength predicts

Research links low grip strength to higher risk of:

  • All-cause mortality: 16% higher hazard per 11 lbs (5 kg) lower grip strength in PURE (The Lancet, 2015)
  • Cardiovascular death: 17% higher hazard per 11 lbs (5 kg) lower grip strength in PURE
  • Falls and fractures: higher risk in older adults with weak grip
  • Sit-to-stand performance: Low grip strength predicts poor sit-to-stand scores, another independent mortality marker
  • Cognitive decline: low grip is associated with worse cognitive trajectories in several cohorts
  • Type 2 diabetes: low relative grip strength is associated with insulin resistance in some populations
  • Disability: midlife grip strength has predicted later disability in older-adult cohorts

How to test grip strength at home

Method 1: Hand dynamometer (most accurate)

A hand dynamometer is a spring-loaded or hydraulic device that measures maximum squeeze force. Affordable home models cost about $15-30 and can provide useful tracking data when used consistently.

Equipment needed: Hand grip dynamometer (Camry, FITBEAST, or similar)

Step-by-step protocol:

  1. Position yourself: Sit in a chair with your feet flat on the floor. Keep your back straight.
  2. Set your arm: Hold the dynamometer at your side. Bend your elbow to 90 degrees. Keep your wrist neutral (not bent up or down).
  3. Adjust the grip: Set the handle width so your fingers wrap comfortably — the second joint of your fingers should be at roughly 90 degrees.
  4. Squeeze: Take a breath, then squeeze as hard as possible for 3–5 seconds. Do not jerk the device — apply force smoothly and steadily.
  5. Record: Note the reading in kg or lbs.
  6. Repeat: Rest 30–60 seconds, then repeat 2 more times with the same hand.
  7. Switch hands: Repeat the full protocol with your other hand.
  8. Score: Use the highest reading from each hand as your score.

Tips for accuracy:

  • Do not hold your breath excessively (brief hold during squeeze is fine)
  • Do not rest the dynamometer on your leg or any surface
  • Test at the same time of day for consistent tracking (grip is typically 5–10% weaker in the morning)

Method 2: Bathroom scale method (no equipment)

If you do not have a dynamometer, you can get an approximate grip strength estimate using a bathroom scale.

Step-by-step:

  1. Place a bathroom scale on a sturdy table at waist height
  2. Stand facing the scale
  3. Place your dominant hand flat on the scale, fingers over the edge
  4. Curl your fingers and squeeze the edge of the scale as hard as possible for 3 seconds
  5. Read the weight displayed — this approximates your grip force

Limitations: This method is less accurate than a dynamometer and harder to standardize. Use it only as a rough screening tool.

Method 3: Timed dead hang (bodyweight alternative)

The dead hang test measures grip endurance rather than maximum squeeze strength. It can be useful for tracking training, but it is not a direct replacement for dynamometer testing.

Step-by-step:

  1. Grip a pull-up bar with both hands, shoulder-width apart, palms facing away
  2. Lift your feet off the ground and hang with straight arms
  3. Time how long you can hold the hang before your grip fails
  4. Record the time in seconds

Scoring:

Duration Classification
<15 seconds Below average
15–30 seconds Average
30–60 seconds Good
60–90 seconds Very good
>90 seconds Excellent

Grip strength chart by age and gender

The following reference values are practical orientation bands based on handgrip norm studies, including Bohannon et al. (2006), Wang et al. (2018), and later international norms. Values represent dominant-hand maximum grip strength and should not be treated as diagnostic cutoffs.

Normal grip strength — men (dominant hand)

Age Group Below Average Average Above Average Strong Very Strong
20–24 <100 lbs (45 kg) 100–115 (45–52) 116–130 (53–59) 131–145 (60–66) >145 (>66)
25–29 <102 lbs (46 kg) 102–118 (46–54) 119–134 (54–61) 135–150 (61–68) >150 (>68)
30–34 <100 lbs (45 kg) 100–116 (45–53) 117–132 (53–60) 133–148 (60–67) >148 (>67)
35–39 <98 lbs (44 kg) 98–114 (44–52) 115–130 (52–59) 131–145 (59–66) >145 (>66)
40–44 <94 lbs (43 kg) 94–110 (43–50) 111–126 (50–57) 127–140 (58–64) >140 (>64)
45–49 <90 lbs (41 kg) 90–106 (41–48) 107–122 (49–55) 123–135 (56–61) >135 (>61)
50–54 <86 lbs (39 kg) 86–102 (39–46) 103–118 (47–54) 119–132 (54–60) >132 (>60)
55–59 <80 lbs (36 kg) 80–96 (36–44) 97–112 (44–51) 113–126 (51–57) >126 (>57)
60–64 <74 lbs (34 kg) 74–90 (34–41) 91–106 (41–48) 107–120 (49–54) >120 (>54)
65–69 <66 lbs (30 kg) 66–82 (30–37) 83–98 (38–44) 99–112 (45–51) >112 (>51)
70–74 <58 lbs (26 kg) 58–74 (26–34) 75–92 (34–42) 93–106 (42–48) >106 (>48)
75+ <50 lbs (23 kg) 50–66 (23–30) 67–84 (30–38) 85–100 (39–45) >100 (>45)

Normal grip strength — women (dominant hand)

Age Group Below Average Average Above Average Strong Very Strong
20–24 <55 lbs (25 kg) 55–66 (25–30) 67–78 (30–35) 79–90 (36–41) >90 (>41)
25–29 <58 lbs (26 kg) 58–70 (26–32) 71–82 (32–37) 83–94 (38–43) >94 (>43)
30–34 <58 lbs (26 kg) 58–70 (26–32) 71–80 (32–36) 81–92 (37–42) >92 (>42)
35–39 <56 lbs (25 kg) 56–68 (25–31) 69–78 (31–35) 79–88 (36–40) >88 (>40)
40–44 <54 lbs (24 kg) 54–64 (24–29) 65–76 (30–34) 77–86 (35–39) >86 (>39)
45–49 <50 lbs (23 kg) 50–62 (23–28) 63–74 (29–34) 75–84 (34–38) >84 (>38)
50–54 <48 lbs (22 kg) 48–60 (22–27) 61–72 (28–33) 73–82 (33–37) >82 (>37)
55–59 <44 lbs (20 kg) 44–56 (20–25) 57–68 (26–31) 69–78 (31–35) >78 (>35)
60–64 <40 lbs (18 kg) 40–52 (18–24) 53–64 (24–29) 65–74 (30–34) >74 (>34)
65–69 <36 lbs (16 kg) 36–48 (16–22) 49–60 (22–27) 61–70 (28–32) >70 (>32)
70–74 <32 lbs (15 kg) 32–44 (15–20) 45–56 (20–25) 57–66 (26–30) >66 (>30)
75+ <28 lbs (13 kg) 28–38 (13–17) 39–50 (18–23) 51–60 (23–27) >60 (>27)

Key observations

  1. Peak strength is in the late 20s: Both men and women reach maximum grip strength around ages 25–35, then decline gradually.
  2. Men are often higher on absolute grip strength: this difference is largely driven by body size, muscle mass, and hormonal factors.
  3. Non-dominant hand is often weaker: some asymmetry is normal. A large or sudden difference may indicate injury, nerve compression, or joint pathology.
  4. Decline accelerates after 65: Grip strength loss steepens notably in the seventh decade, coinciding with accelerated sarcopenia.

How to interpret your results

Clinical thresholds

International guidelines use grip strength thresholds to flag possible health risk:

Threshold Men Women Clinical Significance
Sarcopenia cutoff <60 lbs (27 kg) <35 lbs (16 kg) Low-strength cutoff used in sarcopenia case-finding
Frailty indicator <51 lbs (23 kg) <31 lbs (14 kg) Often used as a frailty-risk signal
Elevated risk range varies by study varies by study Low values are associated with higher mortality and disability risk

What your score means in context

  • Above average for your age: Your musculoskeletal system is aging well. Maintain your current activity level and retest annually.
  • Average: You are in the middle of the pack. Consider adding grip-specific exercises to your routine.
  • Below average: This is a flag. It does not mean you are ill, but it does mean your overall muscle strength may be declining faster than expected.
  • Below sarcopenia threshold: Discuss with your doctor or physical therapist. This is a low-strength screening signal and may warrant broader evaluation — consider completing a full at-home biological age test to assess your broader functional fitness.

Tracking over time

A single measurement establishes your baseline. The real value is in tracking changes over months and years:

  • Stable or improving: reassuring, especially if your testing protocol is consistent
  • Slow decline: can occur with aging, detraining, illness, or weight loss
  • Rapid or unexplained decline: warrants investigation, especially if paired with fatigue, weight loss, pain, numbness, or falls

6 exercises to improve grip strength

1. Farmer’s carries

How to do it: Hold a heavy weight in each hand (dumbbells, kettlebells, or loaded grocery bags) and walk for 30–60 seconds. Keep your shoulders back and core engaged.

Why it works: Combines grip endurance with core and postural training. One of the most functional grip exercises.

Sets/reps: 3 sets of 30–60 seconds, 2–3 times per week.

2. Dead hangs

How to do it: Hang from a pull-up bar with both hands for as long as possible. Start with feet touching the ground if needed.

Why it works: Builds grip endurance and decompresses the spine. Directly trains the muscles tested by dynamometry.

Sets/reps: 3 sets to failure, 3 times per week.

When the goal extends beyond hanging time, follow the pull-up form and progression guide to combine grip work with measurable assistance and controlled vertical pulling.

Grip endurance also supports tool handling in winter climbing, but strength does not replace instruction. The beginner ice-climbing guide separates physical preparation from rope, equipment, ice, cold, and avalanche competence.

3. Towel wringing

How to do it: Soak a towel in water and wring it out as forcefully as possible, rotating in both directions. Repeat 5–10 times.

Why it works: Provides rotational grip training that targets the wrist flexors and extensors — no equipment needed.

4. Hand gripper

How to do it: Use an adjustable hand gripper (such as Captains of Crush) and perform full-range squeezes. Start with a resistance that allows 8–12 reps.

Why it works: Direct, measurable grip strength training that mimics the dynamometer test.

Sets/reps: 3 sets of 8–12 reps per hand, 3–4 times per week.

5. Plate pinches

How to do it: Pinch two weight plates together (smooth sides out) using only your fingertips. Hold for 15–30 seconds.

Why it works: Targets the thumb and finger pinch strength — a component of grip that many exercises miss.

6. Wrist curls and extensions

How to do it: Sit with your forearm on your thigh, wrist hanging over the edge. Curl a light dumbbell up (wrist curl) and down (wrist extension) through full range of motion.

Why it works: Isolates the forearm flexors and extensors, building the muscle mass that drives grip force.

Sets/reps: 3 sets of 12–15 reps, 2–3 times per week.


Grip strength and biological age: what the research says

Grip strength does not just measure how strong your hand is. It can reflect broader neuromuscular function, nutritional status, activity level, and inflammatory burden in a single measurable output.

A large UK Biobank analysis published in BMJ found that higher grip strength was associated with lower all-cause mortality and lower cardiovascular, respiratory, and cancer outcomes after adjustment for multiple risk factors. This is association, not a guarantee that increasing grip alone will extend lifespan.

The connection is strong enough that some aging and frailty assessments include grip strength or related functional tests. Alongside gait speed and single-leg balance, it captures a real-world expression of physical resilience.

Want to learn more? Read our in-depth article on grip strength as a mortality biomarker for the complete science.


How SuperAge helps you track strength

While SuperAge does not directly measure grip strength, it tracks the broader fitness picture that grip strength reflects.

Functional age tracking

SuperAge combines your activity data, mobility metrics, heart rate variability, and other health markers to estimate your biological age. Grip strength is not measured directly, but it fits the same functional-aging picture.

By monitoring your walking speed, stair climbing speed, and step length through Apple Health, SuperAge captures functional consequences of muscle strength that can complement grip testing.

Progress visualization

SuperAge shows your health trends over time, helping you see whether your exercise routine — including grip training — coincides with measurable improvements in broader functional-age signals.


Frequently asked questions

How often should I test grip strength?

Test every 3–6 months for meaningful tracking. Testing more frequently than monthly adds noise without useful information, as grip strength changes slowly. Always test under the same conditions — same time of day, same warm-up, same position — to minimize variability.

What is a good grip strength for my age?

For a 40-year-old man, “Good” (above average) is above 111 lbs (50 kg). For a 40-year-old woman, “Good” is above 65 lbs (30 kg). See the complete chart above for your specific age group. The most important number, however, is how your grip changes over time rather than how it compares to population averages.

Is left hand always weaker than right?

Your non-dominant hand is typically 5–10% weaker, which is normal. For a right-handed person, left grip will usually be slightly lower. An asymmetry greater than 20% between hands may indicate a localized injury, nerve compression, or joint problem and should be evaluated.

Can I improve grip strength after 60?

Yes. Adults over 60 can improve grip strength with progressive resistance training, direct grip work, and adequate recovery. The size and speed of improvement depend on baseline strength, sarcopenia status, pain, nutrition, and program length. The key is progressive overload — gradually increasing resistance as your grip gets stronger.

Does grip strength correlate with lifespan?

Grip strength correlates strongly with mortality risk, but it does not predict an individual’s lifespan by itself. The Lancet PURE study of 139,691 participants showed that each 11 lbs (5 kg) lower grip strength was associated with a 16% higher all-cause mortality hazard and a 17% higher cardiovascular death hazard. Interpret the result as one risk marker alongside blood pressure, fitness, sleep, nutrition, medications, and medical history.


Key takeaways

  • Grip strength is a useful functional biomarker: it is associated with mortality, disability, cardiovascular risk, sarcopenia, and frailty.
  • Normal values vary widely by age and sex: a score that is average for a young adult may be high for an older adult, and body size and hand dominance matter.
  • A dynamometer gives the most standardized home result: bathroom-scale and dead-hang methods are useful alternatives, but less precise.
  • Grip strength is trainable at older ages: farmer’s carries, dead hangs, hand grippers, and whole-body resistance training can improve the trend over time.

Test your grip today

You do not need a doctor’s appointment or an expensive lab visit to establish a baseline. A simple grip test gives you one practical signal about muscle function and physical resilience — and it takes less time than brushing your teeth.

Ready for the bigger picture? Download SuperAge and track your functional-age signals alongside your grip strength so your health metrics have context.


References

  1. Leong, D.P. et al. (2015). Prognostic value of grip strength: findings from the Prospective Urban Rural Epidemiology (PURE) study. The Lancet, 386(9990), 266-273. https://pubmed.ncbi.nlm.nih.gov/25982160/
  2. Bohannon, R.W. et al. (2006). Reference values for adult grip strength measured with a Jamar dynamometer. Physiotherapy, 92(1), 11-15. https://doi.org/10.1016/j.physio.2005.05.003
  3. Wang, Y.C. et al. (2018). Hand-grip strength: normative reference values and equations for individuals 18 to 85 years of age. JOSPT, 48(9), 685-693. https://doi.org/10.2519/jospt.2018.7851
  4. Celis-Morales, C.A. et al. (2018). Associations of grip strength with cardiovascular, respiratory, and cancer outcomes. BMJ, 361, k1651. https://www.bmj.com/content/361/bmj.k1651
  5. Cruz-Jentoft, A.J. et al. (2019). Sarcopenia: revised European consensus on definition and diagnosis. Age and Ageing, 48(1), 16-31. https://pubmed.ncbi.nlm.nih.gov/31081853/
  6. McGrath, R. et al. (2024). International norms for adult handgrip strength: a systematic review of data on 2.4 million adults aged 20 to 100+ years from 69 countries and regions. Journal of Sport and Health Science. https://pubmed.ncbi.nlm.nih.gov/39647778/

Last updated: 2026-06-08. This article is regularly reviewed to ensure accuracy.

Written by SuperAge Team

The SuperAge Team writes evidence-informed guides on biological age, longevity biomarkers, Apple Health, wearables, and practical healthspan tracking.