What the guidelines ask for
The Physical Activity Guidelines for Americans, second edition, from the US Department of Health and Human Services, set the adult target in time, not steps: 150 to 300 minutes a week of moderate-intensity aerobic activity, such as brisk walking, or at least 75 minutes a week of vigorous-intensity activity such as running, plus muscle-strengthening activity on at least 2 days a week. The second edition removed the first edition's rule that only bouts of 10 minutes or more counted, to encourage people to move more often through the day, and its first key guideline for adults is simply to move more and sit less. For older adults it adds multicomponent activity that includes balance training alongside aerobic and strength work, and for anyone who cannot reach 150 minutes because of a condition, to be as active as their abilities allow.
Steps are a convenient way to count the walking part of that. If you take 100 steps a minute when you walk briskly, 150 minutes a week is 15,000 steps a week of deliberate walking, a little over 2,100 a day on top of the steps you take anyway; count your own steps for a minute to get your figure.
What the step studies found
The largest pooled analysis of step counts and mortality is by Paluch and colleagues in The Lancet Public Health, 2022: 15 cohorts, 47,471 adults, 3,013 deaths over a median follow-up of 7.1 years. Participants were split into quartiles by daily steps, and the risk of death was compared with the lowest quartile.
| Group | Median steps a day | Hazard ratio vs the lowest group | Lower risk | Distance at a 30 in step |
|---|---|---|---|---|
| Quartile 1 (fewest steps) | 3,553 | 1.00 | reference | 1.7 mi / 2.7 km |
| Quartile 2 | 5,801 | 0.60 | 40% | 2.7 mi / 4.4 km |
| Quartile 3 | 7,842 | 0.55 | 45% | 3.7 mi / 6.0 km |
| Quartile 4 (most steps) | 10,901 | 0.47 | 53% | 5.2 mi / 8.3 km |
The biggest step is the first one: moving from the lowest group to the second, from about 3,600 to about 5,800 steps, went with a 40 percent lower risk, and each further group added less. The authors' dose-response curves put the point where the benefit levels off at 6,000 to 8,000 steps a day for adults aged 60 and older and 8,000 to 10,000 for adults under 60. The paper opens with the reason it was done: although 10,000 steps per day is widely promoted to have health benefits, there is little evidence to support this recommendation. Pace mattered less than count: once steps were accounted for, a higher peak stepping rate over 30 or 60 minutes was still associated with lower mortality, but time spent at 40 or 100 steps per minute or faster was not.
Two cautions the design imposes. These are observational cohorts, so they show association, not proof that adding steps causes the lower risk; and the plateau is where the curve flattens for mortality, not a ceiling on the benefits of walking more for fitness, weight or mood.
Steps to miles and minutes
A step target becomes a walk once you know your step length and pace. The table uses a 30 inch step as the example and two example paces, 100 steps a minute and 80. The steps to miles converter uses your own measured step length instead, and the calories burned calculator turns the minutes at a given pace into energy.
| Steps a day | Miles | Kilometers | Minutes at 100 steps/min | Minutes at 80 steps/min |
|---|---|---|---|---|
| 4,000 | 1.9 | 3.0 | 40 | 50 |
| 6,000 | 2.8 | 4.6 | 60 | 75 |
| 8,000 | 3.8 | 6.1 | 80 | 100 |
| 10,000 | 4.7 | 7.6 | 100 | 125 |
| 12,000 | 5.7 | 9.1 | 120 | 150 |
Only part of a daily total is a deliberate walk; errands, stairs and the office add steps all day. Measured against the guidelines, 30 minutes of brisk walking on five days, about 3,000 steps each of those days at 100 steps a minute, meets the 150-minute floor on its own.
Picking a target
- Start from where you are. The research shows the largest change in risk between the lowest group and the next one, so an extra 2,000 steps a day for someone at 3,500 is a bigger move than 10,000 for someone already at 8,000.
- Count minutes as well as steps. The guideline is 150 to 300 brisk minutes a week; a tracker's step total includes slow steps that do not reach moderate intensity, so a brisk walk is worth more than its step count alone suggests.
- Age shifts the plateau. Around 6,000 to 8,000 steps for people 60 and over, 8,000 to 10,000 under 60, in the Paluch analysis.
- Add the other half of the guideline. Two days a week of muscle-strengthening work, and balance work for older adults, are in the guidelines and not in any step count.
- Measure your step length once. It turns the tracker's number into real distance, and the steps to miles page shows how.
This guide summarises published guidelines and one large study and is not medical advice; anyone starting an exercise routine with a health condition should talk to their doctor first, which the guidelines themselves say.
Frequently asked questions
Is 10,000 steps a day the recommendation?
No official US guideline says so. The Physical Activity Guidelines for Americans set the adult target in minutes: 150 to 300 minutes a week of moderate-intensity aerobic activity, such as brisk walking, or at least 75 minutes of vigorous activity, plus muscle-strengthening on 2 or more days. The 2022 meta-analysis by Paluch and colleagues notes that although 10,000 steps a day is widely promoted, there is little evidence to support that specific number.
How many steps a day are associated with lower mortality?
In the Paluch meta-analysis of 15 cohorts and 47,471 adults, people in the second quartile of daily steps, a median of 5,801, had a 40 percent lower risk of death over the follow-up than the lowest quartile at 3,553; the third quartile at 7,842 had 45 percent lower risk and the fourth at 10,901 had 53 percent lower. The risk kept falling with more steps up to about 6,000 to 8,000 a day for adults 60 and older and 8,000 to 10,000 for adults under 60, after which it levelled off.
Does walking faster matter?
Less than walking more. In the same analysis, after adjusting for the number of steps, a higher peak stepping rate over 30 or 60 minutes was still associated with lower mortality, but the time spent walking at 40 or 100 steps per minute or faster was not. The step count carried most of the association.
How many miles is 8,000 steps?
It depends on your step length. With a 30 inch step, 8,000 steps are about 3.8 miles or 6.1 km; with a 26 inch step about 3.3 miles. The steps to miles converter uses your measured step length, which is more accurate than any average.
How long does it take to walk 8,000 steps?
At 100 steps per minute, 80 minutes of walking; at 80 steps per minute, 100 minutes. Steps taken during the day in the kitchen, the office and the shop count toward the total, so the walk itself is usually a fraction of that.
Sources
- Paluch, Bajpai, Bassett and others (2022), Daily steps and all-cause mortality: a meta-analysis of 15 international cohorts, The Lancet Public Health (47,471 adults, quartile medians of 3,553, 5,801, 7,842 and 10,901 steps, hazard ratios of 0.60, 0.55 and 0.47, the age-dependent plateau, stepping rate findings)
- US Department of Health and Human Services: Physical Activity Guidelines for Americans, 2nd edition, top 10 things to know (150 to 300 minutes of moderate-intensity aerobic activity a week, muscle-strengthening on at least 2 days, bouts of any length count, move more and sit less)
- US Department of Health and Human Services: Physical Activity Guidelines for Americans, 2nd edition, executive summary (PDF; at least 75 minutes a week of vigorous-intensity activity as the alternative; older adults should include balance training; adults who cannot meet the guideline should be as active as their abilities allow)