# 1 Best Calories Burned Calculator [New Research]

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Calories burned calculator finds out how many calories – and kilograms – you lost while exercising.

If you’re wondering how many calories did you burn while walking, dancing, playing football, or during any other physical activity, you should give this calorie burned calculator a try. Basing on the activity type and duration, it estimates how many calories you burned and, consequently, how much weight you can expect to lose.

What are calories?

Calories are simply a measure of energy you take in with your food. 1 calorie is equivalent to 4.18 joules.

In nutrition, we actually deal with kilocalories (kcal), where 1 kcal is equal to a thousand “small” calories. As you could expect, 1 kcal = 4.18 kJ. (In this article, we use the term “calories” to describe kilocalories, what is quite a common practice.)

There are approximately 7700 calories stored in every kilogram of body fat. It means that losing 1 kg of body weight is equivalent to burning about 7700 calories.

How to calculate calories burned?

As you could expect, every activity needs a different energy expense. Walking at a relaxed pace will surely burn fewer calories than running or aerobics. This energy expenditure is typically expressed in MET – the Metabolic Equivalent of a Task. This measure tells you how many calories you burn per hour of activity and per one kilogram of body weight.

You can easily choose one of the numerous activity types in our calories burned calculator. For example, walking has a MET value of 3.8, while hiking already 6. The higher this value is, the more energy the task demands.

One kilogram of body fat contains about 7700 calories. It means that once you’ve found the number of burned calories, all you have to do is divide it by 7700 to obtain the weight loss in kilograms.