A Guide To Tracking Caloric Burn Using A Fitbit Tracking Device

Fitbit uses specific information about you and more general calculations pre-loaded into an algorithm. It also includes how human beings burn calories. Before using the Fitbit app tracker, you input several metrics, including your age, weight, height, and gender, to establish a basal metabolic rate. Your BMR is the rate you burn calories while at rest, including sleep, digestion, heartbeat, and activity data to estimate calories burned. For an approximate result of calorie burn, you can check the dashboard on the Fitbit app. 

The Fitbit app uses the information provided by the features in tracking the calories lost. Fitbit solely uses the data you have put in and the knowledge it has collected over a period. A healthy person has fewer calories in the body.

What Information Does Fitbit Use To Calculate Calories Burned?

Fitbit approximates how many calories you burn during any exercise and can create a snapshot of your overall daily and weekly expenditure as enlisted in your data. Fitbit uses various primary information you provided to calculate the approximate calories burned. The information it uses to calculate the calories burned are; Basal metabolic rate, Heart rate, daily steps, and tracked exercises, among others. Fitbit also gives you a comprehensive insight into your calorie loss. It also uses the activities you have done and calculates the calories burned for some time. 

This article will ultimately guide you on ways to make good use of Fitbit in tracking your calorie loss and your overall health.

What Data Does Fitbit Use To Calculate Calories Burned?

Fitbit Use To Calculate Calories Burned

It uses various data provided by the user and information collected by the Fitbit tracker. Here are some examples of the data it uses to measure your daily calorie burn.

1. Basal Metabolic Rate (BMR)

BMR is an estimate of the energy your body uses while at rest or when not conducting any strenuous activity. The activities include playing sports, running, or cycling. It works out a rough estimate of the data you have given, including breathing rate, blood pressure, and heart rate.

2. Heart Rate

The majority of Fitbit trackers on your wrist measures your heart rate and sync it to your Fitbit account to improve the calorie burn estimation. A higher heart rate shows a higher metabolism, while a slower heart rate indicates that your metabolism is relatively low; thus, the caloric burn is slow.

3. Daily Steps

Fitbit trackers record the step you take each day. Besides, it detects how active you are and when your body is not moving. The Fitbit device stores any activity you undertake, which helps calculate calories left during the burning process.

4. Tracked Exercises

When you log in to the Fitbit app, the Fitbit watch will track the activities you have been undertaking, the number of calories burned, and the length of time you were doing it. Fitbit apps can show the total number of calories as the app will calculate both the BMR and the estimated exercise-related burn for that period.

How To Use The Fitbit Calorie Counter?

The Fitbit is found on Android, Windows, and IOS and has a calorie-calculating feature. It lets you manually log in for the food consumed throughout the day. This feature works collaboratively with the calorie burned part to estimate the calories you consume compared to the many calories you’ve burnt throughout the day.

What Are The Other Functions Of A Fitbit Tracking Device?

A Fitbit also performs added functions that endear it to most fitness fanatics. The functions are;

1. It tracks your sleeping patterns and will give you good results if consistent with them.

2. It monitors and tracks your heart rate.

3. It receives calls and text notifications that concern your tracked activities.

4. It offers GPS tracking during exercise.

5. It stores and listens to music.

6. It also pays for items when you are out and about.

7. It keeps track of the level of oxygen in your blood.

What Are The Features Of A Fitbit Fitness Tracker?

The features of the Fitbit tracker include:

1. Optical heart rate monitor.

2. Different types of Fitbit have different durations to save data periodically to keep a memory.

3. Water-resistant ability.

4. GPS tracker.

Frequently Asked Questions (FAQs)

Why Does My Fitbit Say I’ve Burned So Many Calories?

The Fitbit tracker’s calories burned total resets every night at midnight. The number you see in your Fitbit app in the morning is the estimated calorie burn for the day.

Does Fitbit Track Calories Burn While Lifting Weights?

It tracks the calories burned while lifting weights. However, they are careful with the estimates since the values may be inaccurate. The primary thing it does is count calories to detect an increased heart rate and body activities.

How Does Fitbit Calculate Calories Burned When Asleep?

Fitbit has a motion detector that mostly tracks your movements, sleep and calories burned. Once you sleep, it uses BMR to calculate your calorie burn.

Can A Fitbit Track Weight Lifting?

The Fitbit app majorly tracks if you customize the settings on the app. There is an option of “weights” as one of the exercise options. Also, you can log the duration of the strength-training workouts by logging directly into the app.

Does Fitbit Track Blood Pressure?

Fitbit measures your blood pressure in every overall result it calculates. The blood pressure is measured for hours, days, and weeks. The blood pressure tracking is automatic as it does not interrupt the user’s sleep time in taking measurements.

Is Fitbit Better Than Other Fitness Tracking Apps?

Fitbit performs well in most tracking the BMR and activities done. The other fitness trackers also have various features, the same as Fitbit. It comes down to an individual’s choice of using a preferred fitness tracking app.


Most people want to be in a good weight range, mainly looking for a fit body. The best thing to do is to track your calories. You can use Fitbit to see how many calories you are losing, the calorie intake, and overall performance. You can also track your progress to see results and check any setbacks to your dream fitness goal.

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