How Fit Are You for Your Age? A 30-Minute Test, Station by Station

Hold a plank for 1:10 at age 17 and the U.S. Army Fitness Test plank table gives it 20 points out of 100. Hold the same 1:10 at 37 and it is exactly the 60-point minimum. Twenty-five push-ups are Good for a man of 25 and Excellent for a man of 55. And an 80 lb grip sits around the 13th percentile for a man of 25 and still around the 15th at 55. Three tests, three published charts, and age moves each of them differently.

That is the reason to run them together. A grip test, one set of push-ups and a plank take about half an hour with rests, need almost no equipment and each has a chart behind it that somebody actually measured. This article walks through one such morning, station by station, with a worked example at each stop, and then asks the question people really type into a search box: how fit is that for your age?

What the morning needs

A hand dynamometer for the grip, a stopwatch, a mat and something fist-high to touch with the chest on the way down: a rolled towel or a foam block works. A second person helps, because two of the three tests end on a judgment about form, and it is hard to judge your own hips in a plank.

The order used here is grip first, then push-ups, then the plank, with a few minutes of rest between stations. Nothing in the three charts depends on that order. It simply keeps the hands fresh for the one test that measures them directly.

9:00, the rules each chart was built on

Every chart below is only as good as the protocol it came from, so the rules come first.

Grip. Sit, elbow bent at a right angle beside the body, handle of the dynamometer in the second position, three squeezes with each hand. Enter the mean of the three, not the best one: the reference table, from the North West Adelaide Health Study, was built on the mean.

Push-ups. One set without rest, hands under the shoulders, body straight, chest down to the towel, arms straight at the top. Men count standard push-ups, women count push-ups from the knees, because that is how the CSEP chart scores them. The set ends when two reps in a row lose form.

Plank. A straight line from head to heels, the clock running until the line breaks or you stop. The Army table asks for a proper straight-line position; the college study stopped the clock on fatigue, on a voluntary stop or the moment the position failed.

9:05, grip strength, three squeezes a hand

The worked example: a man of 35 whose three right-hand squeezes average 80 lb. The grip strength calculator converts that to 36.3 kg and sets it against men aged 30-39, whose right-hand mean is 103.6 lb (47 kg). The reading is 1.10 standard deviations below that mean, about the 13th percentile, and 23.6 lb short of average.

Is that worrying? Not by itself. It sits below the typical range of 82 to 125 lb that holds about two thirds of men in their thirties, but well above the low-strength cut-off that doctors use when screening for sarcopenia: 27 kg (59.5 lb) for men in the European EWGSOP2 consensus, 26 kg in the U.S. FNIH project, and 16 kg for women in both. Those cut-offs were set on older adults, and a single low number is a reason for a second test before it is a reason for anything else.

Here is the whole reference table, right hand, in pounds:

Two things stand out. Men hold the same 103.6 lb mean from their twenties to their late forties, lose about 4 lb in their fifties and drop more clearly after 60. And these are modest numbers by international standards: the Adelaide authors note that their norms are among the lowest published, while U.S. data from the NIH Toolbox put the highest group mean at 49.7 kg, for the dominant hand of men aged 25-29. A strong 30-year-old landing well above the Australian mean is no surprise.

9:15, push-ups, one set to form failure

The worked example: a man of 30, standard push-ups, 25 in one set. The push-up test calculator puts that in the Very good band, 22 to 29, for men aged 30-39. Excellent starts at 30, five reps away.

The chart behind it comes from the Canadian Society for Exercise Physiology and is reprinted in the push-up protocol of the American Council on Exercise. It covers ages 15 to 69 in six groups, and the bands slide quickly with age: Excellent starts at 39 for men aged 15-19 and at 18 at 60-69. That is why the result also shows the same 25 push-ups at every other age, from Good at 15-19 to Excellent from 40 on.

What about women? The women's column counts push-ups from the knees, which put less of the body's weight on the hands; a force-platform study by Ebben and colleagues measured lower ground reaction forces for the knee version. A woman who tests on her toes can still use the women's chart, and the calculator says so: her rating will err on the low side.

For men there is one more reference point, and it is about health rather than fitness bands. In a ten-year study of 1,104 male firefighters, Yang and colleagues found far fewer cardiovascular events among those who managed more than 40 push-ups than among those under 10. That test kept time with a metronome at 80 beats a minute, a different protocol from a set to form failure, so it is a marker to read next to the chart, not a band on it.

9:25, the plank, until the line breaks

The worked example: a woman of 45 holds 1:10. On the Army Fitness Test plank table, which uses one column for every age from 37 up, that is 60 points, the event minimum. The next row, 61 points, needs 1:13, three seconds more; the full 100 takes 3:20. The plank test calculator scores it in seconds and shows the same hold in every age column.

Why the Army? Because we could not find a published civilian chart that rates an adult plank by age, while the Army table is published in full, five-year groups to 36 and one column after that, with the same times for men and women. The second reference is a study of 471 college students by Strand and colleagues, who held a forearm plank to volitional or technique failure. Against the 277 women in it, 1:10 sits between the 40th and 50th percentile; their median was 1:12, and the men's was 1:50. Those students averaged about 20, so the percentile is a reference point for a woman of 45, not a verdict.

The same study also says something useful about the test itself. Most holds did not end because the abdominals gave out: about a third ended at the legs, a third at the arms and only about a fifth at the abs.

9:35, the score sheet

Three stations, three worked examples, each with what the next band or row would take:

Each line points somewhere different. The grip example sits furthest below its group, the push-up example is the strongest result on the sheet, and the plank example lands exactly on a line. The cheapest point to gain is the plank: three seconds is a row. The widest gap is the grip, 23.6 lb to the group mean.

The same morning at 25, 35 and 55

Now keep the readings and change the age. Here are the same 80 lb grip, 25 push-ups and 1:10 plank, scored again for a man and for a woman at three ages:

The three charts age in very different ways. The push-up bands move fastest: the same 25 reps climb from Good at 25 to Excellent at 55 for a man. The plank moves by a fixed five seconds per Army age group and then stops, so 1:10 is 30 points at 25, 50 at 35 and the 60-point minimum from 37 on. The grip barely moves until 60: 80 lb is about the 13th percentile for a man of 25 or 35 and the 15th at 55.

For women the grip story flips. The same 80 lb is about the 82nd percentile for a woman of 25 and above the typical range from 45 on, near the 90th percentile. Grip norms for women are about 60 to 66 percent of the men's in every age group, so a reading that is low for a man can be strong for a woman, which is why the calculator asks for sex before anything else.

A cheat sheet for the next test morning

The thresholds most people want, by age, in one table. Push-ups count standard for men and knee for women; the plank minimum is the Army's 60-point time, the same for both; the grip means are right hand.

What a test morning cannot tell you

These are three snapshots of muscular endurance and strength, each against one published chart. They say nothing about aerobic fitness, flexibility or balance, and each chart has its own limits: the push-up chart stops at 69, the Army plank table is a military standard rather than a health norm, the college plank percentiles describe 20-year-olds, and the grip table comes from one Australian city. The figures above are honest about all of that; a single morning is best read as a baseline to beat, retested the same way in a few months.

One reading deserves more than a retest: a grip under 27 kg for a man or 16 kg for a woman, confirmed on a second day. That is the point at which the sarcopenia screening criteria call for further assessment, so it is worth taking to a doctor.

Tools discussed in this article

• Push-Up Test Calculator - one set of standard or knee push-ups rated against the CSEP chart for ages 15 to 69, with the reps the next band needs and the same count at every age.
• Plank Test Calculator - a plank hold scored on the Army Fitness Test table for your age, 0 to 100 points, and ranked among college men or women.
• Grip Strength Calculator - a dynamometer reading in lb or kg against norms for your age, sex and hand, with the distance from the mean, a percentile and the low-strength cut-offs.

Ready-made calculations from this article

How many push-ups should a man be able to do at: 16, 20, 30, 40, 50, 60

How many push-ups should a woman be able to do at: 16 (girl), 20, 30, 40, 50, 60

Is this many push-ups good? 5, 10, 15, 20, 25, 30, 40

Is this plank good? 30 seconds, 45 seconds, 1 minute, 90 seconds, 2 minutes, 3 minutes, 5 minutes

How long should you hold a plank at: 20, 25, 30, 40

Average grip strength for a man aged: 20, 30, 40, 50, 60, 70

Average grip strength for a woman aged: 20, 30, 40, 50, 60, 70

Is this grip strength good? 60 lb, 70 lb, 80 lb, 90 lb, 100 lb, 120 lb, 150 lb, 20 kg, 30 kg, 40 kg, 50 kg, 60 kg

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