What Is a Daily Activity Score? MET-Minutes Explained

Why Steps Alone Aren't Enough

Step counts are a popular proxy for activity, but they're an incomplete picture. 10,000 steps at a slow shuffle is metabolically very different from 7,000 steps including a 30-minute HIIT session. And neither tells you whether you're doing any strength training — which becomes the most important fitness variable for metabolic health and muscle preservation after age 35.

The standard framework used in exercise science is MET-minutes (Metabolic Equivalent of Task × minutes). Walking at a casual pace is approximately 3.5 METs. Brisk walking is ~4 METs. Running is ~8 METs. Strength training is ~5 METs. By standardizing everything to MET-minutes, you can compare very different types of activity on a single health scale.

The CDC guidelines translate to approximately 500–600 MET-min/week at minimum. The sweet spot for 'substantial additional benefit' is 1,000–2,000 MET-min/week. A daily activity score puts your total weekly MET-minutes into context across all exercise zones, not just cardio.

Calculate Your Daily Activity Score

Get your 0–100 activity score across cardio, strength, steps, standing, and flexibility — plus your MET-minutes, calories burned, and improvement actions.

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The Five Activity Zones

A complete daily activity score evaluates five domains. Steps capture your NEAT (non-exercise activity thermogenesis) — the baseline movement energy that keeps your metabolism active throughout the day. Research from the University of North Carolina shows that people with high NEAT burn 350+ more calories per day than sedentary individuals without any formal exercise.

Aerobic/cardio activity is the most studied exercise category. The dose-response relationship between aerobic exercise and cardiovascular mortality is steep at the low end: moving from zero exercise to even 75 minutes per week of moderate activity reduces all-cause mortality risk by approximately 25%. Each additional 75 minutes adds further benefit up to about 300 minutes/week.

Strength training is scored separately because its mechanisms are distinct from aerobic exercise. Resistance training improves insulin sensitivity through muscle glucose uptake independent of aerobic pathways. It is the most effective single intervention for preserving lean mass after 35, when natural sarcopenia begins at approximately 1–2% per year without resistance training.

Standing time and active breaks interrupt sedentary periods, which have independent metabolic effects distinct from exercise volume. And flexibility and mobility work — often ignored by people focused on caloric expenditure — reduces injury risk and supports the long-term sustainability of all other exercise.

How to Build to CDC Guidelines

1
Calculate your current baseline
Use the calculator to translate your current habits into MET-minutes and an activity score. Many people are closer to guidelines than they think; others discover they're significantly below.
2
Start with the lowest effort, highest impact change
The calculator shows you which activity additions give the most score improvement per unit of effort. For most desk workers, this is adding 2–3 brisk walks per week — cheaper and more sustainable than an expensive gym routine.
3
Add strength training before increasing cardio volume
If you're meeting CDC cardio minimums but doing no strength training, adding 2 sessions per week has a higher marginal health benefit than adding more cardio. This is especially true for metabolic health.
4
Stack activity onto existing habits
Walk during phone calls. Do bodyweight exercises while watching TV. Take the stairs. These habit-stacks compound — adding 2,000 steps per day through stacking adds approximately 700,000 steps per year with no dedicated exercise time.
5
Track progress in MET-minutes, not steps
Using MET-minutes gives you credit for the intensity of your activity, not just its volume. A 30-minute run scores the same as an 80-minute brisk walk — knowing this helps you optimize your limited time.

Frequently Asked Questions

Does vigorous exercise count double?

Yes, exactly double by CDC and WHO guidelines. One minute of vigorous activity (heart rate at 70%+ of max, e.g. running, HIIT) is equivalent to two minutes of moderate activity (brisk walking, cycling at a conversational pace). This is why 75 minutes of vigorous activity meets the same guideline as 150 minutes of moderate activity.

What if I can only exercise on weekends?

The 'weekend warrior' pattern — meeting weekly exercise guidelines in 1–2 sessions — still provides substantial health benefits. Research in JAMA Internal Medicine found weekend warriors had similar cardiovascular and all-cause mortality risk reduction as people who distributed the same volume across the week. Total volume matters most.

Is 10,000 steps per day a real health target?

The 10,000 steps target originated from a 1960s Japanese marketing campaign, not clinical research. Current evidence suggests 6,000–8,000 steps per day is the threshold where most of the step-count health benefit is achieved, with diminishing returns beyond 8,000 for most health outcomes.

See Where Your Activity Level Stands

Calculate your activity score, MET-minutes, and calories burned — then get your top improvement actions ranked by effort and impact.