CalcMET Calories Burned Calculator
MET Calories Burned Calculator. Free online calculator with formula, examples and step-by-step guide.
MET Calories Burned Calculator: Track Your Exercise Energy Expenditure
The MET Calories Burned Calculator estimates the number of calories you burn during physical activity using the Metabolic Equivalent of Task (MET) method. Fitness enthusiasts, athletes, personal trainers, and anyone tracking their energy balance use this tool to understand how different activities contribute to calorie expenditure, plan workouts for weight management, and compare the energy cost of various exercises.
MET Calories Formula
Calories Burned = MET × Weight (kg) × Duration (hours)
Where MET is the Metabolic Equivalent of Task value for the specific activity, Weight is your body weight in kilograms, and Duration is the exercise time in hours. The formula is based on the fact that one MET is equivalent to approximately 1 kcal/kg/hour, which is the energy expenditure of sitting quietly at rest.
The Compendium of Physical Activities, maintained by researchers at Arizona State University, provides MET values for over 800 specific activities, from sleeping (0.95 METs) to running at 17.5 km/h (18 METs). These values are determined through laboratory measurements of oxygen consumption (VO2) during each activity. The MET method is used by the American College of Sports Medicine and the World Health Organization for physical activity guidelines and energy expenditure research.
Worked Examples
Example 1: Running for Weight Loss
A 75 kg person runs at a moderate pace of 9.7 km/h (MET = 8.0) for 40 minutes. Calculate the total calories burned.
Calculation: Duration = 40/60 = 0.667 hours. Calories = 8.0 × 75 × 0.667 = 400 calories. Over a week, if this person runs four times, the weekly calorie expenditure from running is 1,600 calories. Combined with a modest 300-calorie daily dietary deficit, the total weekly deficit reaches about 3,700 calories, which translates to roughly 0.5 kg (1 lb) of fat loss per week.
Example 2: Comparing Walking vs. Cycling
A 65 kg person wants to know whether a 1-hour brisk walk (5 km/h, MET = 3.5) or a 45-minute moderate cycling session (16 km/h, MET = 5.0) burns more calories.
Calculation: Walking: 3.5 × 65 × 1.0 = 228 calories. Cycling: 5.0 × 65 × 0.75 = 244 calories. The cycling session burns slightly more calories in less time, making it more time-efficient. However, the walk burns about 228 calories per hour and has lower perceived exertion, making it easier to sustain daily. For weight management, the best exercise is the one you will actually do consistently.
Common Uses
- Tracking calorie expenditure during workouts to maintain or adjust energy balance for weight management goals
- Comparing the energy cost of different activities to choose time-efficient exercises that fit your schedule
- Planning exercise programs with specific caloric goals, such as burning an extra 2,000 calories per week
- Estimating the caloric impact of adding new activities to your routine, such as switching from walking to jogging
- Logging daily activity energy expenditure for fitness tracking apps, nutrition planning, and health coaching
- Understanding how body weight affects calorie burn — a heavier person burns more calories doing the same activity at the same intensity
Common Mistakes
- Overestimating the MET value of an activity — most people exercise at a lower intensity than they think; using the MET value for "vigorous" when actually exercising at "moderate" intensity overestimates calories by 30 to 50 percent
- Not accounting for body weight differences — a 50 kg person burns only two-thirds the calories of a 75 kg person doing the same activity, so using someone else's calorie numbers without weight adjustment is misleading
- Adding MET-burned calories to BMR calories incorrectly — the MET value already includes resting metabolism, so do not add your BMR separately when calculating total daily expenditure
- Using MET values for activities with intermittent effort — weight lifting, HIIT, and sports with frequent rest periods have average MET values that may not accurately reflect the actual work performed
- Ignoring that MET values decrease with fitness — a trained athlete performs the same activity at a lower heart rate and oxygen consumption, meaning they burn fewer calories than a beginner doing the same exercise
Pro Tip
For the most effective weight management, focus on total daily energy expenditure (TDEE) rather than just exercise calories. Your TDEE has three components: basal metabolic rate (BMR, about 60 to 75 percent of total), the thermic effect of food (TEF, about 10 percent), and physical activity (about 15 to 30 percent). Non-exercise activity thermogenesis (NEAT) — the calories burned from fidgeting, walking, standing, and daily chores — can vary by up to 500 calories per day between a sedentary person and an active one, even without formal exercise. Simply standing instead of sitting for 3 hours per day can add 100 to 150 calories to your daily expenditure. Combining NEAT increases with targeted exercise creates a sustainable approach to weight management that does not rely solely on workout calories.
Frequently Asked Questions
A MET is a unit measuring the energy cost of physical activities. One MET is the energy burned at rest (approximately 1 kcal/kg/hour). An activity at 5 METs means expending 5 times resting energy. MET values come from lab measurements of oxygen consumption.
It provides a reasonable estimate but varies by plus or minus 20 percent for individuals. Standard MET values are population averages and do not account for individual metabolism, fitness, or body composition differences.
Walking 5 km/h: 3.5 METs. Running 9.7 km/h: 8 METs. Running 12.9 km/h: 11 METs. Cycling 16 km/h: 5 METs. Swimming: 6-8 METs. Yoga: 2.5-3 METs. Weight lifting: 3-6 METs.
To lose 0.5 kg per week, create a deficit of about 500 calories per day through diet and exercise. A 70 kg person running 30 min at 8 METs burns about 280 calories. Five sessions per week = 1,400 calories from exercise.