Understanding METs: How Metabolic Equivalents Can Revolutionize Your Fitness and Health Goals

August 5, 2026

When tracking physical activity, standard metrics like step counts and heart rates do not always tell the full story about energy expenditure. Metabolic Equivalents, commonly known as METs, provide a standardized scientific method for measuring exercise intensity and calorie burn across different activities. Whether walking the dog, lifting weights, or training for a marathon, METs allow individuals to gauge exertion levels objectively.

What Are METs?

A Metabolic Equivalent of Task (MET) is a ratio comparing the rate at which a person expends energy during a specific physical activity to their resting metabolic rate.
Wikipedia

1 MET: The energy expended while sitting quietly at rest. Scientifically, 1 MET is defined as consuming approximately 3.5 milliliters of oxygen per kilogram of body weight per minute (3.5 mL O
2

/kg/min), or burning roughly 1 calorie per kilogram of body weight per hour.
Wikipedia

2 METs: An activity that requires twice the energy cost of resting quietly.
NASM Blog

6 METs: A vigorous effort that demands six times the energy spent sitting at rest.
Healthline

By standardizing physical effort, researchers and health professionals can compare the metabolic demands of various daily habits and workout routines.
pacompendium.com

Categorizing Activity Intensity Using METs

Public health agencies and exercise scientists group physical activities into three core intensity levels based on their MET values:
Minnesota Department of Health

Light-Intensity Activities (< 3.0 METs)

These activities require minimal effort beyond baseline resting metabolism:
Minnesota Department of Health

Sitting at a desk or writing: 1.3 METs
Healthline

Slow strolling (< 2.0 mph): 2.0 METs
Minnesota Department of Health

Light house chores (dusting, straightening up): 2.5 METs
NASM Blog

Moderate-Intensity Activities (3.0 to 5.9 METs)

Moderate activities noticeably raise your heart rate and breathing while still permitting conversation:
Minnesota Department of Health

Brisk walking (3.5 to 4.0 mph): 4.0 to 5.0 METs
Healthline

Light weightlifting or conditioning: 3.5 to 5.0 METs
Healthline

Vacuuming or sweeping floors: 3.3 to 3.5 METs
Wikipedia

Doubles tennis: 5.0 METs
Wikipedia

Vigorous-Intensity Activities (≥ 6.0 METs)

Vigorous tasks require substantial physical effort, causing rapid breathing and a significant heart rate increase:
Minnesota Department of Health

Fast bicycling (12–14 mph): 8.0 METs
Healthline

Jogging at 5.6 mph: 8.8 METs
Wikipedia

Jumping rope: 10.0 to 12.0 METs
Healthline

Running at 8.0 mph: 12.9 METs
Wikipedia

How to Calculate Caloric Burn from METs

While fitness trackers automate these calculations, you can determine estimated energy expenditure using a standard mathematical formula:
NASM Blog

Calories Burned Per Minute=
200
METs×3.5×Body Weight in kg

Step-by-Step Example

Consider a person weighing 70 kg (154 lbs) who goes for a 30-minute brisk walk at 4.0 METs:
Healthline

Calculate per-minute burn:

200
4.0×3.5×70

=
200
980

=4.9 kcal/min

Calculate total session burn:

4.9 kcal/min×30 minutes=147 calories
Real-World Application: Case Studies
Case Study 1: Reaching Weekly Health Benchmarks via "MET-Minutes"

Public health organizations like the U.S. Department of Health and Human Services and the American Heart Association recommend obtaining at least 500 to 1,000 MET-minutes per week for optimal cardiovascular health.
Healthline

The Subject: Sarah, a 35-year-old office worker, wants to meet target guidelines without spending hours at a traditional gym.

The Routine:

Brisk walking (4.0 METs) for 30 minutes, 4 days a week (4.0×30×4=480 MET-minutes).
Healthline

Cycling at moderate pace (8.0 METs) for 20 minutes, 2 days a week (8.0×20×2=320 MET-minutes).
Healthline

The Result: Sarah achieves 800 MET-minutes per week, comfortably exceeding health recommendations while maintaining a flexible schedule.
Healthline

Case Study 2: Optimizing Non-Exercise Activity

The Subject: Mark, a remote worker struggling with a sedentary routine, wants to increase overall daily caloric output.

The Adjustment: Mark switches between standing at a adjustable desk (1.8 METs) and taking short micro-walks (3.0 METs) every hour instead of sitting continuously (1.3 METs).
Minnesota Department of Health

The Result: Over an 8-hour workday, shifting from sustained sitting to alternating standing and walking increases his total daily energy expenditure without requiring an exhaustive workout.

Practical Tips for Using METs in Your Training

Mix and Match Intensities: High-intensity workouts yield higher MET-minutes in less time, but moderate-intensity movement is easier to sustain consistently over longer durations.
Wikipedia

Acknowledge Individual Differences: Standard MET calculations assume a baseline resting oxygen consumption of 3.5 mL O
2

/kg/min. Actual resting rates vary based on age, sex, body composition, and baseline aerobic fitness.
NASM Blog
+ 1

Log Household Work: Gardening, heavy cleaning, and carrying groceries all contribute to total weekly MET-minutes.
Minnesota Department of Health

Sources

Wikipedia - Metabolic Equivalent of Task

Healthline - What Are METs, and How Are They Calculated?

Compendium of Physical Activities