5 Best Body Composition Monitors for Losing Weight but Staying Healthy

Body composition monitors are scales that not only show your weight but also provide information about your fat, muscles, metabolism, bones, and how hydrated you are. Specifically, these monitors provide percentages of bone, fat, water, and muscle in the body.

Quick Answer: Best Body Composition Monitors

Table of Content

Review of Best Body Composition Monitors

Editor’s Choice of Best Body Composition Monitor

4. Runcobo Digital Scale

Comparison of Best Body Composition Monitors

Monitor

Smartphone Link

Composition Measures

Users

Warranty

A/A+ Feedback

1-5 Rating

1. FITINDEX Body Fat Scale

Yes

13

1

1-year

88%

4.8

2. YUNMAI Premium Smart Scale

Yes

10

16

1-year

82%

4.7

3. FITINDEX Smart Body Fat Scale

Yes

13

No limit

1-year

93%

4.9

4. Runcobo Digital Scale

Yes

13

No limit

1-year

94%

5.0

5. Withings Body+

Yes

6

8

1-year limited

86%

4.6

1. FITINDEX Body Fat Scale

FITINDEX Bluetooth Body Fat Scale - Smart Wireless BMI Bathroom Weight Scale - Body Composition Monitor Health Analyzer

body composition mointors

Key Features

  1. 1
    First, using Bio-electrical Impedance Analysis (BIA) technology, the FITINDEX Body Fat Scale measures the following:

Metabolic age of body
Basal Metabolic Rate (BMR)
Body Mass Index (BMI)
Bone mass
Skeletal muscle
Muscle mass
Subcutaneous fat
Body fat percentage for 10 to 80-year old users
Visceral fat
Protein
Body weight
Fat free body weight
Water percentage

  1. 2
    Second, it is equipped with four latest versions of high precision sensors.
  2. 3
    Third, this body fat scale uses step on technology.
  3. 4
    Also, it auto-calibrates.
  4. 5
    In addition, the scale uses Bluetooth 4.0 to connect with Android and Apple smartphones.
  5. 6
    Furthermore, the FITINDEX syncs with

Samsung Health
Fitbit App
Google Fit
Apple Health

  1. 7
    Next, you can graph progress on your phone with FITINDEX App.
  2. 8
    Also, there is an app for Apple Watch.
  3. 9
    Lastly, you can export the data to a CSV file for use on your laptop/desktop.

Other Features

  1. 1
    First, the FITINDEX Body Fat Scale can be used by anyone weighing less than 396 pounds.
  2. 2
    Second, the scale has an accuracy of 0.2 pounds.
  3. 3
    Third, the scale has a high quality 5 mm tempered glass platform.
  4. 4
    Next, the bottom is made of quality ABS plastic.
  5. 5
    Also, it has CE, FCC, and ROHS certifications.
  6. 6
    In addition, the scale is 10.2 inches long, 10.2 inches wide and 1 inch thick.
  7. 7
    Furthermore, it weighs 2.43 pounds.
  8. 8
    Finally, there is mention of 1-year warranty on the company’s website.

Use

  1. 1
    Body builders
  2. 2
    Those losing weight
  3. 3
    Juniors and teenagers

PROS

  1. 1
    First, this scale has 13 body composition measures.
  2. 2
    Second, it uses step on technology.
  3. 3
    Also, the scale auto-calibrates.
  4. 4
    In addition, it can connect with Apple Watch.
  5. 5
    Finally, it comes with a 1-year warranty.

CONS

  1. 1
    However, the FITINDEX body fat scale is limited to only one user who can link to a smart phone.

2. YUNMAI Premium Smart Scale

YUNMAI Body Fat Scale - Body Composition Monitor

Body Composition Monitors

Key Features

  1. 1
    First, using Bio-electrical Impedance Analysis (BIA) technology, the YUNMAI Premium Smart Scale measures the following for anyone 18 years or older. Meanwhile, it provides only weight for anyone under 18.

Body age
Basal Metabolic Rate (BMR)
Body Mass Index (BMI)
Bone mass
Muscle mass
Body fat percentage
Visceral fat
Protein
Weight
Water percentage

  1. 2
    Second, it is equipped with high precision bio-impedance pressure sensors.
  2. 3
    Third, the scale uses Bluetooth to connect with Android or Apple smartphones.
  3. 4
    Also, the YUNMAI app syncs with

Fitbit
Google Fit
Apple Health

  1. 5
    In addition, you can weigh yourself with or without the phone.
  2. 6
    Meanwhile, it has a four inch, backlit LCD porthole shaped display.
  3. 7
    Lastly, 16 users can use this scale to track progress on their smartphones.

Other Features

  1. 1
    First, the YUNMAI Premium Smart Scale can be used by anyone weighing less than 396 pounds.
  2. 2
    Second, the scale has a high quality 17 mm Indium Tin Oxide (ITO) glass platform.
  3. 3
    Also, it has been listed by the Food and Drug Administration (FDA) as a smart scale.
  4. 4
    In addition, the scale is 12.9 inches long, 12.9 inches wide and 1.2 inches thick.
  5. 5
    Furthermore, it weighs 4.9 pounds.
  6. 6
    Finally, there is a 1-year warranty description on YUNMAI’s website.

PROS

  1. 1
    First, this scale has 10 body composition measures.
  2. 2
    Second, 16 users can use the scale to link to their individual smartphones.
  3. 3
    Third, it has passed Food and Drug Administration (FDA) testing.
  4. 4
    Finally, it comes with a 1-year warranty.

3. FITINDEX Smart Body Fat Scale

FITINDEX Weight Scale, Body Composition Monitor

Displays body's composition

Key Features

  1. 1
    First, using Bio-electrical Impedance Analysis (BIA) technology, the FITINDEX Body Fat Scale measures the following:

Body age
Basal Metabolic Rate (BMR)
Body Mass Index (BMI)
Bone mass
Skeletal muscle
Muscle mass
Subcutaneous fat
Body fat percentage
Visceral fat
Protein
Body weight
Fat free body weight
Water percentage

  1. 2
    Second, it is equipped with latest versions of four high precision sensors and four electrodes.
  2. 3
    Third, this body fat scale uses step on technology.
  3. 4
    Next, the scale uses Bluetooth to connect with Android and Apple smartphones.
  4. 5
    Also, the FITINDEX syncs with

Samsung Health
Fitbit App
Google Fit
Apple Health

  1. 6
    In addition, you can graph progress on your phone using the FITINDEX App.
  2. 7
    Furthermore, it can sync with Apple Watch.
  3. 8
    Most of all, unlimited users can use this scale to track progress on their smartphones using FITINDEX App.
  4. 9
    Lastly, it has a backlit LCD display. Meanwhile, the sleek surface is easy to clean.

Other Features

  1. 1
    First, the FITINDEX Body Fat Scale can be used to weigh anything or anyone weighing 6.6 to 396 pounds.
  2. 2
    Second, the scale has an accuracy of 0.2 pounds.
  3. 3
    Third, the scale has a high quality 4 mm tempered glass platform that is durable, easy to clean, and compact.
  4. 4
    Next, the scale is 10.2 inches long, 10.2 inches wide and 0.9 inches thick.
  5. 5
    Also, it weighs 2.43 pounds.
  6. 6
    In addition, it comes with four anti-skid mats.
  7. 7
    Finally, there is mention of a 1-year warranty on the company’s website.

PROS

  1. 1
    First, this scale has 13 body composition measures.
  2. 2
    Second, it uses step on technology.
  3. 3
    Next, it can connect with Apple Watch.
  4. 4
    Also, there is no limit to the number of users who can use this scale and link to their individual smartphones.
  5. 5
    In addition, it comes with four anti-skid mats.
  6. 6
    Finally, it comes with a 1-year warranty.

4. Runcobo Digital Scale

Runcobo Smart Scale Digital Weight - Body Fat Scale for Weight, Body Composition Monitor

Shows composition of body

Key Features

  1. 1
    First, using Bio-electrical Impedance Analysis (BIA) technology, the RUNCOBO Smart Scale measures the following:

Metabolic age
Basal Metabolism Rate (BMR)
Body Mass Index (BMI)
Bone mass
Skeletal muscle
Muscle mass
Subcutaneous fat
Body fat percentage
Visceral fat
Protein
Body weight
Fat free body weight
Water percentage

  1. 2
    Second, the scale is equipped with high precision sensors.
  2. 3
    Third, RUNCOBO scale uses step on technology.
  3. 4
    Next, the scale automatically uses either 2.4 GHz Wi-Fi or Bluetooth to connect with Android and Apple smartphones.
  4. 5
    Also, the RUNCOBO syncs with

Fitbit App
Google Fit
Apple Health

  1. 6
    In addition, you can graph progress on your phone using the RUNCOBO App.
  2. 7
    Lastly, unlimited number of users can use this scale to track progress on their smartphones using RUNCOBO App.

Other Features

  1. 1
    First, the RUNCOBO Digital Scale can be used to weigh anyone weighing less than 397 pounds.
  2. 2
    Second, the scale has a high quality 6 mm tempered Indium Tin Oxide (ITO) glass platform.
  3. 3
    Third, the bottom of the scale is made of ABS plastic.
  4. 4
    Next, the scale is 12.2 inches long, 12.2 inches wide, and 1 inch thick.
  5. 5
    Also, it weighs 4.08 pounds.
  6. 6
    Finally, it comes with a 1-year warranty.

PROS

  1. 1
    First, this scale has 13 body composition measures.
  2. 2
    Second, it uses Step on technology.
  3. 3
    Also, there is no limit to the number of users who can use this scale and link to their individual smartphones.
  4. 4
    Finally, it comes with a 1-year warranty.

5. Withings Body+

Withings Digital Scale - Smart Body Composition

Fat, Muscle, Water Make up of Body

Key Features

  1. 1
    First, using Bio-electrical Impedance Analysis (BIA) technology, the Withings Body+ measures the following:

Body Mass Index (BMI)
Bone mass percentage
Muscle mass percentage
Fat mass percentage
Body weight
Water percentage

  1. 2
    Second, the scale automatically uses Wi-Fi or Bluetooth to connect with Android or Apple smartphones.
  2. 3
    Next, the Withings Body+ syncs with

Fitbit
Google Fit
Apple Health
MyFitnessPal
Health Mate app

  1. 4
    Also, it syncs with Apple Watch.
  2. 5
    Now, the Health Mate app

Let’s you set a weight goal and then monitor your daily calories consumed.
Also works with Alexa, for example, to hear your weight.
Graphs your weight and BMI trend.

  1. 6
    By the way, eight users can use this scale to track progress on their smartphones.
  2. 7
    Finally, the Body+ uses position control technology to help you center yourself on the scale so you get the most accurate reading.

Other Features

  1. 1
    First, the Body+ can be used to weigh anyone weighing less than 396 pounds.
  2. 2
    Also, it uses four standard AAA batteries that can last for up to two years.
  3. 3
    Next, the scale is 12.8 inches long, 12.8 inches wide, and 0.9 inch thick.
  4. 4
    Also, it weighs 4.4 pounds.
  5. 5
    Finally, it comes with a 1-year limited warranty. However, to get this warranty, the Withings Body+ must be shipped and sold by Amazon.

PROS

  1. 1
    First, this scale has 6 body composition measures.
  2. 2
    Also, it can sync with Apple watch.
  3. 3
    In addition, 8 users can use the scale while linking with their individual smartphones.
  4. 4
    Finally, it comes with a 1-year limited warranty.

Buyer's Guide for Body Composition Monitors

Composition Measures

First, Body Composition Monitors provide information about several aspects of your body. Now, the most familiar one is your weight. However, there are others like metabolic age of your body, Basal Metabolic Rate (BMR), Body Mass Index (BMI), bone mass, skeletal muscle mass, muscle mass, subcutaneous fat, body fat percentage, visceral fat percentage, proteins, fat free body weight, and water percentage.

So, one of the things to consider, is which of these measures are important to you. Some body composition monitors provide a few of the most important measures, while others provide the whole set and maybe others not listed above.

Smart Phone Connectivity

For the most part, all of the body composition monitors described here have Wi-Fi or Bluetooth connectivity to a smartphone. Moreover, smartphone apps like Samsung Health, Fitbit, Google Fit, Apple Health can use body composition measures supplied by the body composition monitors. Consequently, you have a way to keep track of progress with respect to these composition measures.

On the other hand, you may simply want to see the measures on the scale and let your brain keep track of your progress. For example, a standard weight scale shows your weight for you to monitor. In fact, one of the benefits of monitoring progress by this method is that your brain gets totally connected with the composition measures.

Warranty

Finally, you want to have the confidence that the purchase you made is going to work for a long time. That's where the warranty comes in. In fact, the warranty is a type of insurance that you will get value from the purchase you made.

Frequently Asked Questions - FAQ

Q: What are Body Composition Monitors?

First and foremost, a body composition monitor is a scale that tells you how healthy you are. In fact, this scale sends an imperceptible current through your body to perform bioelectrical impedance analysis. Now, muscles, fat, bone and water conduct electricity at different rates. This is because they resist the flow of current differently. And these differences are measured by the body composition monitor. Furthermore, the body composition monitor combines this information with formulas and data such as your gender and age to provide you with a wealth of information regarding fat, muscle, bone and water in your body.

Q: How does the Body Composition Monitor Work?

The body composition monitor is a body fat scale that uses sensors underneath your feet to measure your bioelectrical impedance. When you step on the scale, a small electrical current runs up through your leg and across your pelvis, measuring the amount of resistance from body fat. Then, the sensors in the scale measure the level of resistance that the current meets as it travels back through your other leg.

Now, the greater the body resistance means a higher fat percentage and lower muscle mass. This is because fat contains less water than muscle, so it’s denser than muscle and more difficult for a current to travel through. Meanwhile, the lower the body resistance means you have lower fat percentage and more muscle mass.

An extremely weak 50 KHz electrical current less than 500 micro amperes is sent through your body to determine the amount of fat tissue. This weak electrical current is not felt. In order to determine your body composition, the electrical impedance is used, along with your height, weight, age and gender information to generate results.

Q: Can the Body Composition Monitors be Used by Everyone?

Because Body Composition Monitors use Bio-electrical Impedance Analysis (BIA) technology, they are not recommended for anyone who has a pacemaker or other internal medical device.

Q: What Kind of Information do Body Composition Monitors Provide?

Total Body Weight

Total body weight or body weight can range from 6 to 400 pounds with an accuracy of 0.2 pounds.

Body Fat

By the way, body fat can range from 5 to 75% with an accuracy of 0.1%

Also, body fat, sometimes referred to as body fat percentage, is the percentage of fat to the total body weight.

Now, body fat is essential for maintaining body temperature, cushioning joints and protecting internal organs. Although you need healthy body fat, too much fat can damage your long-term health. In fact, reducing excess levels of body fat has been shown to directly reduce the risk of certain conditions such as high blood pressure, heart disease, type 2 diabetes and certain cancers.

On the other hand, too little body fat may lead to osteoporosis in later years, irregular periods in women and possible infertility.

Visceral Fat

Visceral fat measurements can range from 1 to 30

Unlike subcutaneous fat, visceral fat is stored in the abdominal cavity around several important internal organs including the stomach, liver and pancreas. Regrettably, visceral fat is the most dangerous kind of fat. However, a certain amount of visceral fat is essential as it plays a role in the support, stability, and protection of internal organs. Also, ensuring you have a healthy level of visceral fat directly reduces the risk of certain diseases such as heart disease, high blood pressure and may delay the onset of type 2 diabetes.

Water

Water or body water percentage can range from 45 to 60% for women, and 50 to 65% for men.

The number is the percentage of body water or fluids in total body weight and is usually around 60% to 70%. This number is strongly correlated with muscle mass. Because muscles contain a lot of water, this indicator can reflect the right way to lose weight. If the percentage of body water drops, not only does it harm your health, but it will also increase the body fat percentage.

Protein

The percentage of protein in total body weight is around 18% with an accuracy of 0.1%

Proteins are the main building block of the body. They are an important component of all cells and tissues in the human body.  They are used to make muscles, tendons, organs, and skin. Furthermore, proteins account for about 18% of the total mass of the human body, and most importantly, it is essential for life.

Body Mass Index

Now, the Body Mass Index has an accuracy of 0.1. A normal BMI ranges from 18.5 to 25.

Indeed, Body Mass Index or BMI is a calculation of a person’s weight-to-height ratio. BMI can be used to estimate weight-related health risk. 

Skeletal Muscle

Skeletal muscle can range from 15 to 70% with an accuracy of 0.1%.

Lean body mass consists of your bones, ligaments, tendons, internal organs and muscles – the total body weight minus the fat weight.

Muscle Mass

Muscle mass is the weight of muscles in your body. As your muscle mass increases, the rate at which you burn energy (calories) increases which accelerates your basal metabolic rate (BMR) and helps you reduce excess body fat levels and lose weight in a healthy way.

Bone Mass

Now, bone mass has an accuracy of 0.22 pounds.

In fact, bone mass is the weight of bones in the body. Also, this measure is used to represent the health of bones. Meanwhile, the amount of bone varies with age. By the way, increasing the amount of bone requires not only calcium, but also collagen.

Basal Metabolic Rate

Basal Metabolic Rate (BMR) is the minimum daily calorie expenditure rate. This is the rate at which you must expend calories in order to stay alive. In fact, these are calories your body needs when resting (including sleeping) to function effectively. This measurement can be helpful to weight-loss programs in predicting weight-loss rates. For example, increasing muscle mass will speed up your BMR. Indeed, a person with a high BMR burns more calories at rest than a person with a low BMR.

Metabolic Age

Your metabolic age is how your BMR compares to the average BMR for people of your chronological age in the general population. However, metabolic age tops out at 50. So, if your metabolic age is higher than your actual age, it’s an indication that you need to improve your metabolic rate. Meanwhile, increased exercise will build healthy muscle tissue, which in turn will improve your metabolic age.

Body Age

Body Age has an accuracy of 1 to 3 years

This is your ideal body age and is equal to 2/3 of your actual age according to the functional status reflected by your various body indicators.

Q: What are the Benefits of a Body Composition Monitor?

Most of all, monitoring body composition helps you:

  1. 1
    Lose weight while still staying healthy.
  2. 2
    Keep track of progress.
  3. 3
    Ensure you are losing fat mass and not muscle mass or water weight.
  4. 4
    Ensure your visceral fat is in a healthy range. Too much visceral fat may lead to diabetes or metabolic syndrome.
  5. 5
    Monitor bone mass for those with osteoporosis, osteopenia.
  6. 6
    Get insight into your overall metabolism.
  7. 7
    Ensure you drink enough water or even too much water.
  8. 8
    Ensure you have a healthy body composition. In fact, studies show that being fit is more important than how much you weigh when it comes to lowering your risk for cardiovascular disease and mortality.
  9. 9
    Ensure you have a healthy ratio of fat to muscle. In fact, skeletal muscle and bone density help you perform daily activities and prevent diseases like osteoporosis.

Q: How is a Body Composition Monitor Helpful?

A body composition monitor helps you identify the following:

  1. 1
    First, what your exercise needs are
  2. 2
    Second, you nutritional needs
  3. 3
    Third, your health risks
  4. 4
    Finally, determine your fitness goals

Other Body Measurement Devices