WHO and most public-health bodies frame physical activity in "active minutes" (150 min/week moderate, 75 min/week vigorous). Apps and watches frame it in step counts. They aren't identical — and the gap matters when you're using one to satisfy the other.
The conversion
Roughly: 1 minute of moderate walking ≈ 100 steps. So WHO's 150 active min/week ≈ 15,000 active-pace steps. That's NOT 15,000 total daily steps — those count strolling, kitchen pacing, etc. The "active" portion has to be at moderate intensity (talk-test: can speak in sentences, not sing).
Why active minutes can be more honest
Step counts treat all steps equally. 5,000 strolling-around-the-house steps don't deliver the same cardiovascular benefit as 5,000 brisk-walking steps. Active minutes (or the related metric, time-in-zone-2 heart rate) implicitly weight intensity. For people who walk a lot but never elevate heart rate, this is the gap that explains "why isn't this working?"
Hitting 150 active minutes a week
Easiest path: a daily 30-min brisk walk × 5 days = 150. Or 22 min daily × 7. Or one 90-min weekend hike + 60 min of brisk walking spread across the week. WHO also accepts substitution: 75 min of vigorous (running, hard cycling) replaces the 150 moderate.
How fitness watches handle this
Apple Health "Exercise Minutes" tracks anything at moderate-or-higher intensity for at least 1 minute. Garmin "Intensity Minutes" similar. These are usually the most honest weekly fitness gauge — better than total step count for most people. Aim for 150+ a week; 300+ a week if you can.
FAQ
- If I hit 10,000 steps a day but no active minutes, does it count?
- Partially. Total step volume contributes to non-exercise activity (NEAT) which has health value. But it doesn't replace the cardiovascular adaptation from sustained moderate-intensity periods.
- Can vigorous walking count as "vigorous"?
- Very brisk walking (8+ km/h) approaches the vigorous threshold for unfit adults. For fit adults, walking rarely hits true "vigorous" — only running / cycling / sport activity does.