17 Best Free Online Lean Body Mass Calculator Websites

Here is a list of best free online lean body mass calculator websites. Lean body mass is the remaining body weight after excluding the body fat weight. Lean body mass helps users determine how much muscle mass and bone weight their body has as compared to total body mass. To calculate the lean body mass (LBM) users need these online lean body mass calculator websites.

These websites allow users to find out their LBM values based on their Gender, Height, and Weight. Some of these websites can also consider waist size, wrist size, and age values in the LBM calculation. Before starting the calculation process, users can also specify the measurement unit (Metric or Imperial) on some websites. After performing the calculation, users get lean body mass weight and percentage values. Besides this, some websites also show the calculated body fat weight and body fat percentage. To help out new users, I have included the necessary lean body mass calculation steps in the description of each website.

These websites also offer additional health calculators like Calorie Calculators, BMR Calculators, Macro Calculators, Protein Calculators, and more. Go through the list to know more about these websites.

My Favorite Online Lean Body Mass calculator Website:

calculator.net is my favorite website as it can calculate lean body mass using three different formulas. Plus, it also calculates the body fat percentage using the same set of input values.

You can also check out lists of best free Online FFMI Calculator, Online Macro Calculator, and Online BMR Calculator websites.

Table of Contents:

Features/Website Names	Supports Multiple Measurement Units like US, Metric, etc.	Can also Calculate Body Fat Value	Supports multiple Lean Body Mass Calculation Formulas
calculator.net	✓	✓	✓
ezcalc.me	✓	✓	✓
mymathtables.com	✓	✓	✓
omnicalculator.com	✓	x	x
bodybuilding.com	✓	✓	x
medindia.net	✓	x	x
icliniq.com	✓	x	✓
stylecraze.com	✓	x	x
gigacalculator.com	✓	✓	x
globarph.com	✓	✓	✓
gymnation.com	✓	x	x
drbillsukala.com	✓	✓	✓
symbolab.com	✓	x	x
spotebi.com	✓	✓	x
bizcalcs.com	✓	x	✓
mytechbits.com	✓	x	✓
calculator.academy	x	✓	x

calculator.net

calculator.net is a free online lean body mass calculator website. Through this website, users can find out their actual lean body mass using weight, height, gender, and age. Plus, it can consider US Units, Metric units, and other common weight units in the lean body mass calculation. To perform the calculation, it uses three different formulas to find out the lean body mass namely Boer, James, and Hume. According to the selected formula, lean body mass and body fat percentage values could vary. It also highlights the formulas and basic calculation steps that it takes to perform the calculation. Now, follow the below steps.

How to perform lean body mass calculation online using calculator.net:

• Go to this website and open up the Lean Body Mass Calculator.
• After that, select a weight unit and specify the Gender, Height, and Weight values.
• Next, click on the Calculate button to start the calculation process.
• Finally, view the lean body mass values in percentage, calculated using all three supported formulas.

Additional Features:

• Fitness and Health Calculators: It contains multiple fitness calculators such as Calorie Calculator, BMR Calculator, Macro Calculator, Ideal Weight Calculator, and more.

Final Thoughts:

It is one of the best free online lean body mass calculator websites that anyone can use to calculate lean body mass using three different formulas.

ezcalc.me

ezcalc.me is another free online lean body mass calculator website. This website allows users to estimate their lean body mass based on their height, weight, and gender. Plus, it offers four different lean body mass calculator formulas (Boer, James, Hume, and Peters), one of which users can select for the calculation. Along with lean body mass, it also calculates the body fat percentage using the same set of input parameters. Now, follow the below steps.

How to calculate lean body mass online using ezcalc.me:

• Go to this website and open up the lean body mass calculator.
• After that, specify the measuring units Metric or Imperial.
• Next, use the sliders to specify your height and weight values.
• Finally, specify your gender and select an LBM formula to start the calculation process.

Additional Features:

• This website also comes with additional online calculators such as Caffeine Calculator, FFMI Calculator, A1C Calculator, Geometry Calculator, Percentage Calculator, etc.

Final Thoughts:

It is another simple lean body mass calculator website that anyone can use without much hassle.

mymathtables.com

mymathtables.com is another free online lean body mass calculator website. This website offers a simple calculator that can calculate the lean body mass of a person. Unlike, most other similar websites, it supports four different lean body mass calculation formulas namely Boer, James, Hume, and Peters. Users can select any one of the LBM formulas to perform the calculation. It can also consider both Metric and Imperial measurement units. Now, check out the below steps.

How to perform lean body mass calculation online using mymathtables.com:

• Go to this website and access the LBM Calculator.
• After that, select Metic or Imperial unit.
• Now, enter Gender, Age, Height. and Weight values.
• Next, choose one of four available calculation formulas.
• Finally, click on the Calculate button to view the calculated lean body mass weight and body fat mass values

Additional Features:

• This website also offers additional calculators such as Heart Rate Calculator, Weight Loss Calculator, Healthy Diet Plan Calculator, Protein Intake Calculator, etc.

Final Thoughts:

It is another capable online lean body mass calculator website that offers all the essential tools to calculate the LBM weight and percentage of a person.

omnicalculator.com

omnicalculator.com is another free online lean body mass calculator website. This website comes with multiple online calculators one of which is a lean body mass calculator. This calculator helps users find out the mass of their bodies without fat content (lean body mass). To do that, users just need to manually specify the Gender, Weight, and Height values. According to the provided values, it automatically starts the calculation and shows the lean body mass value in Kilograms.

This website also explains what is lean body mass and the process of its calculation. Besides this, it also shows the formula that it uses to calculate lean body mass. Now, follow the below steps.

How to perform lean body mass calculation online using omnicalculator.com:

• Visit this website and access the Lean Body Mass Calculator.
• After that, enter all the required input values namely Gender, Weight, and Height.
• Next, let this calculator automatically perform the calculation to get the lean body mass value in kg.

Additional Features:

• Related Calculators: This website offers multiple related body measurement calculators such as Adjusted Body Weight Calculator, Body Shape calculator, Ideal Weight Calculator, Karvonen Formula Calculator, Face Shape Calculator, etc.
• This website also contains calculators covering a wide range of topics like Maths, Physics, Chemistry, Finance, and more.

Final Thoughts:

It is a straightforward online lean body mass calculator that quickly calculates the lean body mass in kilograms.

bodybuilding.com

bodybuilding.com is another free online lean body mass calculator website. It is another capable website to calculate the lean body mass of any person. To do that, it uses Body Weight in Pounds or Kilograms and Body Fat Percentage values. After that calculation, it shows both lean body mass and body fat values in KG. Now, follow the below steps.

How to perform lean body mass calculation online using bodybuilding.com:

• Launch this website and open up the Lean Body Mass Calculator.
• After that, specify the unit of weight pounds, or kilograms.
• Next, enter the body weight and body fat percentage values.
• Finally, click on the Calculate button to view the calculated lean body mass and body fat values.

Additional Features:

• On this website, users also get useful fitness calculators like Calorie Calculators, 1RM Calculator, Protein Calculator, Body Type Calculator, and more.

Final Thoughts:

It is another simple-to-use online lean body mass calculator that anyone can use to calculate their lean body mass and total body fat values.

medindia.net

medindia.net is another free online lean body mass calculator website. This website helps users find out the lean body mass of their body that excluded the mass of the body fat. Before starting the calculation, users need to submit some known values about their body namely Gender, Height, and Weight (kg or lb). After submitting all the values, users can start the calculation process to view the calculated lean body mass value in KG. Now, follow the below steps.

How to perform lean body mass calculation online using medindia.net:

• Visit this website and access the Lean Body Mass Calculator.
• After that, specify your gender and then enter the known height and weight values.
• Finally, click on the Calculate button to view the calculated Lean body mass value in kg.

Additional Features:

• This website also comes with additional health calculators such as Pediatric Calculator, Height and Weight Calculator, Cardiac Risk Calculator, Health Risk Assessment Calculator, etc.

Final Thoughts:

It is another capable online lean body mass calculator website that anyone can use without much hassle.

icliniq.com

icliniq.com is another free online lean body mass calculator website. This website allows users to calculate lean body mass using three different formulae namely Boer, James, and Hume. Plus, it also explains the calculation process using all three formulas in detail. Like other similar websites, it needs three input values to initiate the conversion process namely Gender, Height (Feet, CM, Meter), and Weight (Pounds and Kgs). Now, follow the below steps.

How to perform lean body mass calculation online using icliniq.com:

• Go to this website using the provided link.
• After that, specify your gender and submit height and weight values.
• Next, specify the units of both height and weight values.
• Finally, click on the Calculate button to view the lean body mass values calculated using all three supported lean body mass calculation formulas.

Additional Features:

• Health Tools: This section contains multiple useful health tools like DASS-21 Calculator, Creatinine Clearance Calculator, BMI Calculator, and more.

Final Thoughts:

It is another capable online lean body mass calculator website that calculates lean body mass through Boer, James, and Hume formulas.

stylecraze.com

stylecraze.com is another free online lean body mass calculator website. This website calculates the lean body mass of a person using the Boer lean body mass calculation formula. Not only that, but it also explains what is lean body mass, the process of calculation, and the formulas that it uses for the calculation. Besides this, it also provides a general lean body mass chart for both males and females. Now, follow the below steps.

How to perform lean body mass calculation online using stylecraze.com:

• Open the interface of this website and access the lean body mass calculator.
• After that, specify your gender and age.
• Next, select either metric or imperial system.
• Now, submit your height and weight values.
• Lastly, click on the calculate button to view the lean body mass value.

Additional Features:

• This website also contains tools and calculators associated with topics like health & wellness, skincare, hair care, etc.
• It also contains multiple useful calculators like Shoe Size, BMI, Weight Gain, Period, Ideal Body Weight, etc.

Final Thoughts:

It is another good online lean body mass calculator website that offers all the tools to find out the lean body mass values of a person.

gigacalculator.com

gigacalculator.com is another free online lean body mass calculator website. This website can consider Imperial and Metric units in the calculation. Unlike other similar websites, it also asks for neck and waist dimensions to perform lean body mass calculations. Besides lean body mass, it can also calculate lean body percentage body fat percentage, LMI, and LMI Percentile. Now, check out the below steps.

How to perform lean body mass calculation online using gigacalculator.com:

• Launch this website and open up the lean body mass calculator.
• After that, specify the Unit System (Imperial and Metric) and Age.
• Now, specify gender, weight, height, neck, and waist values.
• Finally, click on the Calculate button to start the calculation process.

Additional Features:

• This website also comes with additional online tools like BMI Calculator, Weight Loss Calculator, Body Fat Percentage, BMR Calculator, Ideal Weight Calculator, etc.

Final Thoughts:

It is another capable online lean body mass calculator that helps users accurately calculate the lean body mass weight.

globarph.com

globarph.com is another free online lean body mass calculator website. This website comes with an advanced lean body mass calculator that can use five different formulas to calculate lean body mass namely Boer, James, Hume, Yu, and Janmahasatian. Along with lean body mass, it also calculates the percentage of body fat. To perform the calculation, users need to provide four input values namely Age, height, Weight, and Gender. Now, follow the below steps.

How to perform lean body mass calculation online using globarph.com:

• Visit this website using the given link.
• After that, enter your age and specify your height, weight, and gender values.
• Next, click on the Calculate Lean Body Weight button
• Finally, view the calculated lean body mass weight, lean body weight percentage, and body fat percentage.

Additional Features:

• This website also comes with multiple Medical, Financial, and Dilutions calculators.

Final Thoughts:

It is another good online lean body mass calculator website that anyone can use without much hassle.

gymnation.com

gymnation.com is another free online lean body mass calculator website. This website not only offers a lean body mass calculator but also explains what is lean body mass. It also explains all the methods through which lean body mass can be calculated. To perform the lean body mass calculation, it only needs two namely Weight (Pound or Kilograms) and Body Fat Percentage. Now, follow the below steps.

How to perform lean body mass calculation online using gymnation.com:

• Launch this website using the given link.
• After that, select Pounds or Kilograms units.
• Next, enter your body weight and body fat percentage.
• Finally, click on the Calculate button to start the calculation process.

Additional Features:

• This website also offers courses and classes related to multiple fitness topics.

Final Thoughts:

It is another simple and effective online lean body mass calculator that only uses weight and body percentage values to find out lean body mass.

drbillsukala.com

drbillsukala.com is another free online lean body mass calculator website. Through this website, users can calculate both lean body mass and mass of fat based on gender, height, and weight values. Plus, it also shows what would be the lean body mass based on Boer, James, and Hume formulas. On its interface, users can also view all the formulas used by it in detail. Now, follow the below steps.

How to perform lean body mass calculation online using debillsukaala.com:

• Go to this website and open up the Lean Body Mass calculator.
• After that, specify your gender and measurement unit (Metric or Imperial).
• Now, enter your height and weight values.
• Next, click on the Calculate button to view the lean mass according to all three different calculation methods.

Additional Features:

• This website also comes with additional health calculators such as Protein Calculator, Macronutrient Percentage Calculator, BMI Calculator, etc.

Final Thoughts:

It is another capable online lean body mass calculator that offers all the necessary tools to find out the lean body mass of a person.

symbolab.com

symbolab.com is a free online lean body mass calculator website. This website comes with a variety of tools and one of which is a Lean Body Mass calculator. This calculator uses Gender, Weight, and Height values to calculate the lean body mass in either Kg or lb. It also lets users vary the unit of Height such as Meter, Centimeter, Inch, or Foot. In general, it is a simple online lean body mass calculator. Now, follow the below steps.

How to calculate lean body mass online using synbolab.com:

• Go to this website and open up the Lean Body Mass Calculator.
• After that, enter Gender, Weight, and Height values.
• Next, specify the units of both Height and Weight.
• Finally, view the calculated Lean body mass weight in Kg or Lb.

Additional Features:

• This website also comes with additional online tools like BMI Calculator, BMR Calculator, Body Fat Weight Calculator, Pace Calculator, and Pace Time Calculator.
• It also offers online calculators associated with Finance, Chemistry, Personal Finance, Sales., fields.

Final Thoughts:

It is another capable online lean body mass calculator website that anyone can use with ease.

spotebi.com

spotebi.com is another free online lean body mass calculator website. This website helps users accurately estimate the lean body mass of a person as it takes waist measurement, hip measurement, forearm measurement, weight, etc., parameters into account. After performing the calculation, it also shows the body fat weight and body fat percentage values. It also offers content to guide users to effectively lose weight. Now, follow the below steps.

How to calculate lean body mass online using spotebi.com:

• Launch this website using the given link.
• After that, enter your weight and specify the unit of weight lb or kg.
• Now, enter the waist measurement, hip measurement, wrist measurement, and forearm measurement values.
• According to the submitted values, it starts the calculation and shows the calculated lean body mass value.

Additional Features:

• This website also comes with online Ideal Weight Calculator, BMR Calculator, At Home Fitness Test, and other useful health tools.

Final Thoughts:

It is another simple-to-use online lean body mass calculator website that can accurately calculate the lean body mass value.

bizcalcs.com

bizcalcs.com is another free lean body mass calculator website. This website is capable of calculating both lean mass and fat mass values. In the calculation, it can consider both US and Metric units. As input, it requires Gender, Weight, and Height values. It also offers an option to view the calculation formula and steps used by this website to calculate lean body mass. Now, follow the below steps.

How to calculate lean body mass online using bizcalcs.com:

• Visit this website using the given link.
• After that, specify the measurement unit US or Metric.
• Now, enter the Gender, Weight, and Height values.
• Finally, view the calculated Lean Mass and Fat Mass values.

Additional Features:

• This website also contains online calculators like EER Calculator, GPA Calculator, FFMI Calculator, Deadlift Max Calculator, Squat Max Calculator, and more.

Final Thoughts:

It is another good online lean body mass calculator website through which users can calculate both lean mass and body mass values.

mytechbits.com

mytechbits.com is another free online lean body mass calculator website. This website comes with a lean body mass/ lean body weight calculator. It also lets users select one of two available lean body mass calculation formulas namely W.P.T. James’s and R. Hume’s. Besides this, it requires standard input values namely Gender, Height, and Weight. This website offers steps of calculation along with an explanation of the formula used. Now, follow the below steps.

How to calculate lean body mass online using mytechbits.com:

• Visit this website using the given link.
• After that, specify your gender, height, and weight values.
• Now, select one of two available calculation formulas.
• Finally, click on the Calculate LBM button to view the lean body mass in pounds and kgs.

Additional Features:

• Fitness Calculators: It contains many other fitness calculators like ABSI, Apple Shape, Calories Burners, Total Body Water, etc.
• Encoders & Decoders: It contains useful Binary Encoder, Binary Decoder, XML Encoder, XML Decoder, etc.
• Finance: It offers financial calculators like Saving Calculator, Loan Calculator, Simple Loan Calculator, etc.

Final Thoughts:

It is another good online lean body mass calculator website that offers all the necessary tools to calculate the lean body mass of any person.

calculator.academy

calculator.academy is the last free online lean body mass calculator website. This website mainly comes with a body fat calculator that can also be used to calculate lean body mass and body fat percentage. It also shows the formula that it uses to calculate lean body mass. Besides this, it also answers multiple questions related to lean body mass and body fat. Now, follow the below steps.

How to calculate lean body mass online using calculator.academy:

• Visit this website and access the lean body mass calculator.
• After that, enter your weight, height, and waist size values.
• Next, click on the Calculate button to starts the calculation process.
• Finally, view the calculated lean body mass, body fat weight, and body fat percentage values.

Additional Features:

• This website also contains multiple Finance, Math, Science, Engineering, etc., online calculators.

Final Thoughts:

It is another good online lean body mass calculator website that can calculate lean body mass and body fat weight.