Calories Burned Calculator

You can use these calculators to estimate the calories burned in a specific time frame while doing an activity or traveling a certain distance (walking, running, or cycling) for an estimate of daily calories consumed, Use our Calories Burned Calculator. \n \nCaloric expenditure is not an exact science, it is extremely individual and differs for each person owing to multiple influencing factors like age and body composition and as such the calories burned in activities and exercise is not a set number.

For best accuracy, the results obtained from this and any other calculator should be taken with a center measure of bias as the references used are set data of an ‘average’ person. In the latter portion of this piece under "Calculating calories burned", the algorithms and processes undertaken by the calculator will be outlined.

To get more details about the number of calories a person should eat daily to maintain, lose or gain weight, refer to the Calories Burned calculator. In general, the figure that accounts for calories consumed minus the calories burned for other activities and the basal metabolic rate (BMR) will determine whether a person maintains, loses, or gains weight, which theoretically speaking, if the figure is zero, the person will stay at the same weight; negative means shedding pounds while positive denotes acquiring them. For additional details about the basal metabolic rate, check out our BMR calculator.

Factors affecting calories burned

The amount of calories an individual can burn for a specific task or activity varies is determined by numerous factors. Most estimates (include those from our calculator) use three parameters: body mass, duration of the activity, and the metabolic equivalent of a task (MET). Tasks’ METs have been extensively researched and utilized to develop our calculators, which determine the calories expended with the help of such data.

Body mass and duration

The elements of a person’s body mass affects how many calories they burn, even while resting. A person who is larger due to more muscle or height or fat burns more calories you can meaure it through Calories Burned Calculator. This is also true during exercise because the body has to do more work to provide energy to a larger person than it would to a smaller person. Therefore, it follows that a 200 pound person will burn far more calories than a 100 pound person over the course of a mile long run assuming other conditions constant.

The length of time spent exercising is also a contributor to the number of calories shed. Accordingly, the longer a person exercises the more calories they are likely to burn. Despite this, the relationship is not so easy as it exists with the body mass since the exercise level of exertion becomes a factor. One example is a individual taking an hour to walk one mile as opposed to someone who takes sixty minutes losing five miles.

Intensity Level in Exercise

Another important component that affects the extent of calories burned calculator from exercise is the intensity level of the exercise undertaken. The more vigorous and intense the exercise, the higher the calories burned. There are various methods in which exercise intensity can be determined, some more accurate than others.

One of the methods one may use to determine exercise intensity is the heart rate. A person’s heart rate offer insight into how much of challenge it is to execute an exercise. A rule of thumb is that the higher a person’s heart rate while performing an exercise, the higher the intensity of the exercise.

However, people have variable resting heart rates as well as maximum heart rates, so heart rate is not a precise measure of intensity. This is because a more physically fit individual will generally have a readily observable lower heart rate than an unfit person when carrying out the same exercise, provided neither have any underlying condition.

A more precise measurement of intensity is gauged with how much oxygen a person consumes while exercising. There is a direct correlation between oxygen consumption and the intensity of exercise; as the intensity of an exercise increases, oxygen consumption also increases.

Therefore, comparing oxygen consumption during exercise with rest provides us with an accurate depiction of the metabolic demands of a specific exercise. Moreover, unlike heart rate, which depends greatly on many variables, the quantity of oxygen consumed is directly proportional to a person’s body mass. This fact simplifies the standardization of oxygen intake for set exercises concerning body weight.

Oxygen consumption is estimated in MET (metabolic equivalent of a task). MET has many definitions, but the first one, and the one this calculator uses is the one that is based on oxygen use and body weight.

The MET is defined as the ratio of energy expenditure (per unit of body weight) while performing a particular physical activity to a specific reference value. In practice, the reference value comprises the energy used by the "normal" person sitting quietly, which is approximately equal to 3.5 mL of oxygen per kg per minute.

This is a scientifically tested figure arrived at by determining the MET value of a 40 year old healthy male weighing 70 kg. This is a baseline figure meaning that a MET value of one corresponds to the energy expenditure during complete resting state by an average adult. Thus, an activity that is estimated to have 2 MET will consume on the average two times more energy than the assumed resting person. Likewise for a MET value of 8, it will need on the average eight times more energy and so on.

Exercises are generally classified into three categories which are: light intensity, moderate intensity, or vigorous intensity exercises. All these categories follow that a more vigorous activity has a higher MET. For instance, slow walking has a MET of 2.0 and is considered a light intensity exercise, doubles tennis has a MET of 5.0 and is considered moderate intensity, while jumping rope at a speed of 100 jumps per minute has a MET of 11.0 and is considered a vigorous exercise.

Besides aiding in cardio fitness endurance, more advanced exercisers looking to slim down should keep in mid that the exercise’s intensity affects what fuel resource like carbohydrates, fats, or even protein is being consumed to provide energy. Hence, the intensity of an exercise can be manipulated to achieve a certain desired energetic outcome as the body can use different energy sources.

Most the time, lower intensity exercises tend to burn fat, meaning that in order to lose weight an individual cheaper option must sustain these exercises for long periods of time. As an individual increases the intensity in which they exercise, the body undergoes what is is called a metabolism shift, where the body gradually begins replacing fats with carbohydrates. Protein, on the other hand, is much less common for use in fueling the body alongside fats and carbohydrates, thus should not be given much concern to in simpler terms.

Supplementary elements

Even though the factors listed above are primary for calculating the calorie’s burnt, there can be other factors that come into play as well.

Age: This affects a person’s resting energy expenditure. With age, people tend to lose lean body mass, which lowers the metabolic activity further. Consequently, the older one gets, the less calories one burns overall. Therefore, assuming the only difference between the two people is that one is much elder than the other, the elder who is much older will burn lesser calories.

Body composition: Muscle tissue is more metabolically active than body fat is, therefore a person who is same height and weight with another will expend more energy if he or she has more muscle mass.

Temperature: People in warmer climate areas burn more calories than those living in cooler climate regions. This is because higher temperature causes elevation in the body temperature, therefore the body can use the energy to burn more calories rather than warming the body.

Fitness Level Given, the exercise intensity the person works at is individualistic. A fitter person will actually burn fewer calories than someone who is less fit. This happens due to the fact that fitter people have a more efficient body and so it requires lesser energy to do the same task when compared to the unfit person. Diet Each person's metabolism is different and hence diet impacts the metabolism levels. A person with an overweighted metabolism burns lesser calories while a person trying to lose weight should consume a diet that would make them burn more calories.

Sleep A person with insufficient rest gets fatigued and will not exercise as much as they normally would. This along with, what science calls, “metabolic slowing” can lead to a now supressed metabolism meaning the amount of calories burned throughout the day is lesser. Calculating Calories Burned The following calculator that estimates calories burned is calculated as follows. Calories = Time × MET × Body Weight 200 Where time here is in minutes while body weight is in kilogram.

Our calculator estimates the calories burnt during a specific activity using a set time and its MET along with an individual’s mass. A considerable amount of studies have been conducted to find out how many calories different activities burn. Combining the use of a MET and an individual's body mass allows us to take an educated guess at the calories burnt over a given duration time.

With all this information, let’s discuss further how accurate these results really are.

The MET conventions set by other studies do appear to have ample biases, and of these conventions set by one subject, a 40-year-old healthiest male are considered to have a Kilogram weight of 70, he is unhealthy and for an hour spends 1 MET approximately. An individual's RMR can extensively sway due to a large amount of factors including but not limited to body fat, weight, age and overall health of the body. Hence an estimate derived out of this could result in inaccurate outcomes if the individual does not have the same RMR as the 70Kg male.

This estimate is also influenced because MET values were calculated using the assumption that the activity is performed non-stop. The half an hour long tennis match for instance, comes with breaks between games which usually entails resting, chatting, and so forth meaning that he actually plays for a shorter period of time. If this time is not accurately depicted, it will affect the calculations and in general, will overstate the number of calories burned.

The most accurate number derives when a person goes to a lab that measures all necessary parameters like maximum oxygen intake, maximum heart rate, etc. Such measurements are often not economical or practical to take for the normal individual and therefore estimates based on the METs is preferred with the caveat that the MET is better utilized as a measure of intensity or power output (the MET values can give a person a good idea of the relative intensity of a given exercise as compared to sitting quietly) rather than for estimating expenditure for a specific individual; without a doubt, if a person's attributes do not closely match the person whose basal metabolic rate is the standard used for comparison the calories they would expend would be very different.

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