Do my steps count toward the 150 minutes?
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Only the brisk ones. Steps taken at about 100 a minute or faster count as moderate activity, and those minutes add to your 150. Slower steps around the house and office still help your health, they just don’t count toward the 150.
A watch that says 9,000 steps makes it feel like the day’s exercise is done. Sometimes it is. But 9,000 steps can come from an hour of brisk walking or from a busy day of short trips between the desk, the kitchen and the car, and the guideline treats those two days very differently. Steps measure how much you moved, and the 150 measures how hard.
What we’d do
Watch two numbers. Your daily steps tell you how much you moved, and your brisk minutes tell you whether you met the guideline. A 30-minute brisk walk does both at once, about 3,000 steps and 30 minutes. If your steps are high and your brisk minutes low, speed up one walk a day until you can’t sing.
Steps are like the total you spend in a day, and brisk minutes are what you spent on groceries. Both numbers are real, and they answer different questions.
Why only the brisk ones?
The US guideline is written in minutes of moderate or vigorous activity, and CDC sets moderate at walking 2.5 mph or faster, where you can talk but not sing. In a 2019 treadmill study of 76 adults aged 21 to 40, 100 steps a minute marked that moderate effort 91.4% of the time. Steps slower than that are light activity. The guideline still says to move more and sit less, and that any amount of moderate activity helps, but light steps don’t add up to the 150.
Three days, same watch
| The day | Steps | Brisk minutes toward 150 |
|---|---|---|
| A desk day, no walk | About 4,000 | 0 |
| The same day plus a 30-minute stroll at 80 steps a minute | About 6,400 | 0 |
| The same day plus a 30-minute brisk walk at 100 steps a minute | About 7,000 | 30 |
The stroll and the brisk walk take the same 30 minutes. One adds 2,400 steps and nothing to the 150, and the other adds 3,000 steps and 30 minutes.
Then why do step studies say pace adds little?
Because they’re asking a different question. In 15 studies of 47,471 adults, once total steps were counted, the time people spent walking at 100 steps a minute or faster didn’t add a clear benefit for living longer. A study of 16,741 US women around 72 found the same. For the step curve, every step counts.
The 150 minutes come from a different body of research, built on how hard people worked, and brisk minutes also build fitness in a way slow steps don’t. Use the step curve for your daily total and the brisk minutes for the guideline, and a daily brisk walk covers both.
Is my walk brisk enough? checks your pace in 15 seconds, and Your week adds up your brisk minutes and your steps side by side.
5 sources
- Tudor-Locke C and others, Walking cadence (steps/min) and intensity in 21 to 40 year olds: CADENCE-adults, International Journal of Behavioral Nutrition and Physical Activity, 2019europepmc.org
- Centers for Disease Control and Prevention, Measuring physical activity intensitycdc.gov
- Paluch AE and others, Daily steps and all-cause mortality: a meta-analysis of 15 international cohorts, Lancet Public Health, 2022europepmc.org
- Lee IM and others, Association of step volume and intensity with all-cause mortality in older women, JAMA Internal Medicine, 2019europepmc.org
- US Department of Health and Human Services, Physical Activity Guidelines for Americans, 2nd edition, executive summary, 2018odphp.health.gov
