Calories Burned Calculator | 100+ Activities with MET Values
Use this free calories burned calculator to find out how many calories you burn during any exercise or physical activity. Select from 100 plus activities validated against the Compendium of Physical Activities, enter your body weight and duration, and get an instant result with per-minute burn rate, fat equivalents, and 30- and 60-minute benchmarks.
Your Stats
Enter your weight, duration, and select an activity to see calories burned.
What Is a Calories Burned Calculator and How Does It Work?
A calories burned calculator estimates energy expenditure during physical activity using the MET (Metabolic Equivalent of Task) system. MET values quantify how much harder each activity is compared to rest. Walking at 3 mph has a MET of 3.5, meaning it costs 3.5 times as much energy as sitting quietly. The values in this calculator come from the 2011 Ainsworth Compendium of Physical Activities, measured through indirect calorimetry in research settings and used by exercise scientists worldwide.
The formula is Calories = MET x weight (kg) x duration (hours). Three inputs determine the result: your body weight, the activity MET, and the duration. For sport-specific estimates that include speed, distance, terrain, or resistance, use one of the ten dedicated calculators linked above. They apply activity-specific MET adjustments for a more precise result.
The single largest variable. Calorie burn scales in direct proportion to body weight. A 200 lb person burns about 30 percent more than a 150 lb person doing the same activity at the same intensity and duration.
Burn scales exactly with time at a fixed intensity. Sixty minutes at a given pace burns exactly twice what thirty minutes burns. There are no diminishing returns within a session.
MET (Metabolic Equivalent of Task) captures intensity. A 10 MET activity burns twice as many calories as a 5 MET activity at the same body weight and duration.
Calories = MET x weight (kg) x duration (hours). This equation comes from indirect calorimetry research and is the global standard used by exercise scientists and every major fitness tracking platform.
Calories Burned by Activity
Based on a 155 lb (70 kg) person exercising for 60 minutes. Click any row for a dedicated calculator with speed, distance, and intensity options.
How Do You Calculate Calories Burned During Exercise?
The calculator applies the validated MET formula to your inputs in three steps and returns an immediate calorie estimate alongside per-minute burn rate and fat equivalents.
- Weight
- Activity
- Result
Enter Your Body Weight
What Affects How Many Calories You Burn?
MET values represent population averages. These six factors explain why your actual calorie burn may be higher or lower than the estimate.
Fitness Level
Well-trained athletes move more efficiently and burn fewer calories per minute at the same absolute speed. MET values represent population averages and will overestimate burn as fitness improves.
Body Composition
Two people at the same scale weight with different muscle-to-fat ratios have different active metabolic rates. The person with more muscle burns more calories during exercise due to higher active tissue oxygen demand.
Age
Resting metabolic rate falls 1 to 2 percent per decade after age 20, mainly from muscle loss. The same workout burns fewer calories with each passing decade unless lean mass is preserved through resistance training.
Exercise Economy
A biomechanically efficient runner uses less energy per metre than an inefficient one. Economy improves with consistent training, meaning the same session burns fewer calories as fitness develops.
Environment
Heat, cold, humidity, and altitude all raise calorie burn above MET predictions. Running in 90-degree heat increases energy cost 5 to 10 percent. MET values were measured under controlled laboratory conditions.
Metabolic Adaptation
The body adapts to repeated exercise stimuli over weeks. The same workout becomes less metabolically demanding as fitness improves, which is why varying intensity and modality is necessary to maintain the same calorie burn.
How Do You Use Exercise Calories to Reach Your Goal?
Knowing how many calories you burn per session is a starting point. Here is what to do with the number depending on what you are trying to achieve.
Lose Body Fat
Exercise creates part of your calorie deficit, but food reduction does most of the work. A 45-minute moderate run burns 400 to 600 kcal and is easily offset by a single untracked snack. Use your exercise burn alongside the Calorie Deficit Calculator to build a combined deficit of 300 to 500 kcal per day from both food and activity.
Maintain Your Weight
When you add a new exercise routine while eating at your current maintenance, your TDEE rises and you will lose weight unless you eat more. Use your session burn alongside the Maintenance Calorie Calculator to adjust your daily intake and keep weight stable.
Build Muscle and Raise Metabolism
Strength training burns fewer calories per session than cardio but builds lean muscle that permanently raises resting metabolic rate. Each kg of muscle burns 6 to 10 kcal per day at rest. Use the Macro Calculator to set the protein surplus that supports both the training and the tissue growth.
How Do You Use Exercise Calories for Fat Loss?
Six evidence-based principles for using your calorie burn data to drive real fat loss rather than just generating a number.
- 1
Treat exercise calories as a bonus, not a budget
because fitness trackers overestimate burn by 15 to 20 percent on average and people often eat more after intense sessions, erasing the deficit they worked for
- 2
Build your deficit primarily from food reduction
because cutting 300 calories from intake is simpler and more consistent than burning 300 extra calories through exercise every single day
- 3
Track a 7-day rolling weight average rather than daily weigh-ins
because exercise causes water retention and glycogen changes that can add 1 to 3 lbs of scale weight that has nothing to do with fat
- 4
Prioritise higher-MET activities for the same time investment
because running at 6 mph burns nearly three times as many calories per minute as walking at 3 mph, making intensity matter more than duration at the margin
- 5
Add 2 to 3 strength sessions per week to raise resting metabolic rate
because each kg of muscle burns 6 to 10 kcal per day at rest, permanently elevating your TDEE in a way that cardio alone cannot match
- 6
Recalculate your TDEE every 4 to 6 weeks as weight changes
because every 2 to 3 kg of weight loss reduces TDEE by 50 to 100 calories and ignoring this drift is the most common reason fat loss stalls
Frequently Asked Questions About Calories Burned
Quick answers to the questions people ask most.
MET-based calculators are accurate within 10 to 20 percent for most healthy adults. The MET system is validated by the 2011 Ainsworth Compendium of Physical Activities, measured through indirect calorimetry. Individual variation including fitness level, body composition, temperature, and movement efficiency accounts for the remaining error.
Activity-Specific Calculators
Each calculator includes inputs specific to that sport, speed, distance, terrain, stroke, or resistance, for a more precise result than the general hub above.
Related Calculators
Put your calorie burn in context of your full daily energy balance.
Total daily calorie burn including all activity.
Calculate your resting metabolic rate baseline.
Set a daily deficit to lose fat at a sustainable rate.
Split your calorie target into protein, carbs, and fat.
Check Body Mass Index alongside your activity data.
Find your hydration target for your activity level.