Estimate Calories Burned From Your Workout
This tool uses common MET values for each activity. Results are approximate and for general fitness tracking only.
Calories Burned Summary
This calories burned calculator is a rough estimate based on standard formulas. It is not a medical device and should be used for educational and general fitness purposes only.
How to Use the Calories Burned Calculator
You don’t need to know complex formulas. Just enter a few details and the tool will estimate your calorie expenditure automatically.
Enter your weight
Type your body weight and choose whether it is in kilograms (kg) or pounds (lb). The calculator converts units automatically.
Select your activity
Pick the activity that best matches your workout, such as brisk walking, light jogging, moderate running, cycling, swimming or strength training.
Set your duration
Enter how many minutes you were active. The calculator instantly estimates both total calories burned and calories burned per minute.
Why Track Calories Burned During Exercise?
- Support fitness goals: Estimating calories burned can help you align workouts with weight loss, maintenance or performance goals.
- Compare activities: See how different activities and intensities change your calorie burn so you can plan smarter training sessions.
- Motivation and accountability: Watching your effort in numbers can be motivating and help you stay consistent with your routine.
- Plan food and energy intake: When combined with nutrition tracking, calorie estimates provide a bigger picture of your daily energy balance.
- Fast, private and free: Everything runs in your browser using HTML, CSS and JavaScript—no login, no data upload, and no tracking of your workouts.
Understand How Your Workouts Burn Calories
The number of calories you burn during exercise depends on your body weight, the intensity of the activity, and how long you stay active. Higher-intensity workouts generally have higher MET values, which means they burn more calories per minute than low-intensity activities.
This calculator uses a common approach from exercise science: calories burned ≈ MET value × weight in kilograms × duration in hours. While the estimate cannot capture every personal factor, it provides a practical way to compare activities like walking, jogging, running, cycling and strength training and see how they contribute to your daily energy expenditure.
Always remember that online calculators are tools for learning and planning, not medical instruments. If you have health concerns, injuries, or specific training needs, consider speaking with a doctor or certified fitness professional for personalized guidance.
Frequently Asked Questions (FAQs)
The calculator combines your weight, chosen activity, and exercise duration with typical MET values to estimate how many calories you burn. It is based on widely used fitness formulas but still provides an approximation.
They are reasonably useful for general tracking but not 100% precise. Factors like age, fitness level, body composition and exercise technique can all change the real number. Treat the result as a guide, not an exact measurement.
You can use the estimates to understand roughly how much energy your workouts use, which may help when planning overall activity levels. For detailed weight loss or health plans, it is best to talk with a doctor or registered dietitian.
Running usually has a higher MET value than walking because your body works harder per minute. However, a long walk can still burn a similar number of calories to a short, intense run if the total duration is much longer.
No. All calculations are performed locally in your browser using JavaScript. Your inputs are not sent to a server or used to identify you.
Fitness trackers and sports watches can estimate calories burned using heart rate and movement data, which may be more personalized. This calculator is a quick, free alternative when you want a simple estimate without wearing a device.