8 Best Free Online BMR Calculator Websites

Here is a list of best free online BMR calculator websites. BMR or Basal Metabolic Rate is a measure that shows the number of calories your body requires while resting. It is also known as your metabolism. BMR is affected by various factors like exercise habits, age, gender, stress, fear, and more. Although to measure a standard BMR of a person, you need these online BMR calculator websites.

Using these websites, users can quickly calculate the BMR of a person. To perform the calculation, these websites need various input values like Height, Weight, Gender, Age, Exercise Pattern, etc. Some websites also let users choose different BMR calculation formulas such as Mifflin St Jeor, Revised Harris-benedict, Katch-McArdle, etc. According to input values, these websites perform a BMR calculation and show the final BMR value usually in calorie per day unit. The process to perform the BMR calculation is quite simple on all these websites. Still, to help you out, I have included the necessary BMR calculation steps in the description of each website.

These websites also offer additional tools such as BMI Calculator, Calorie Calculator, Pace Calculator, and more. Go through the list to know more about these websites.

My Favorite Online BMR Calculator For Windows:

calculator.net is my favorite website because it can use multiple BMR formulas to perform the calculation. Plus, it also offers additional fitness calculators like Body Fat Calculator, BMI Calculator, etc.

You can also check out lists of best free Online Debt Ratio Calculator, Online Cross Product Calculator, and Online Dot Product Calculator websites.

calculator.net

calculator.net is a free online BMR calculator website. Using this website, users can calculate the Basal Metabolic Rate of a person. To calculate the BMR, it can use one of three available BMR estimation formulas namely Mifflin St Jeor, Revised Harris-benedict, and Katch-McArdle. Besides this, it requires some input values such as Age, Gender, Height, Weight, and Result Unit (Calories or Kilojoules). Now, follow the below steps.

How to calculate BMR online using calculator.net:

Visit this website and open up the BMR Calculator.
After that, choose US or Metric Units.
Now, enter the Age, Gender, Height, Weight, etc., body parameters.
Next, select one of three available BMR estimation formulas.
Lastly, click on the Calculate button to view the calculated BMR in calories or kilojoules per day unit.

Additional Features:

Fitness & Health: This section offers additional fitness & health calculators such as BMI Calculator, Calorie Calculator, Pace Calculator, Body Fat Calculator, and more.
This website also offers multiple Financial and Math calculators that may come in handy.

Final Thoughts:

It is a simple to use online BMR calculator website that can calculate BMR using different BMR Estimation formulas.

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active.com

active.com is another free online BMR calculator website. This website helps users estimate their BMR value according to weight and height. Besides this, it can also calculate the daily calorie needs to maintain your current weight level. To perform the BMR calculation, users need to enter their Gender, Height, Weight, and Age values. Now, follow the below steps.

How to calculate BMR online using active.com:

Visit this website and open up the BMR Calculator.
After that, choose the Basal Metabolic Rate option from the Calculate section.
Now, enter the Gender, Height, Weight, and Age values.
Next, hit the Calculate button to view the calculated BMR value.

Additional Features:

This website also offers additional calculators such as BMI calculator, Body Fat Calculator, Ideal Weight Calculator, and more.

Final Thoughts:

It is another good online BMR calculator website that anyone can use without much hassle.

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thecalculatorsite.com

thecalculatorsite.com is another free online BMR calculator website. Through this website, users can calculate BMR of both males and females. It also lets users choose one of three available BMR Equations namely Mifflin, Harris-Benedict (1919), and Harris-Benedict (Revised). Unlike most other similar websites, it can also consider the activity level of users before calculating their BMR value. Now, follow the below steps.

How to calculate BMR online using thecalculatorsite.com:

Visit this website and choose BMR Calculator.
Now, specify Gender, BMR Equation, Age, Height, and Weight values.
After that, select one activity level (no exercise, light exercise, moderate exercise, or hard exercise).
Next, hit the BMR Result to view the calculated BMR value.

Additional Features:

Finance Calculators: This website offers multiple online finance calculators such as Compound Interest, Car Loan Calculator, Margin Calculator, Forex Compounding, and more.
Health Calculators: It offers online BMR calculator websites such as BMI Calculator, WHR Calculator, Sobriety Calculator, and more.

Final Thoughts:

It is another capable online BMR calculator website that anyone can use without much hassle.

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omnicalculator.com

omnicalculator.com is another free online BMR calculator website. This website offers the most number of BMR calculation formulas namely Mifflin-St Jeor, Harris-Benedict, Revised Harris-Benedict, and Katch-McArdle. Users can choose any one of the available BMR calculation formulas. Besides this, it requires standard input values namely Gender, Age, Height, and Weight. Now, check out the below steps.

How to calculate BMR online using omnicalculator.com:

Visit this website using the given link.
After that, choose one of the various available BMR formulas.
Next, enter Gender, Age, Height, and Weight values.
Lastly, view the calculated BMR value in calorie per day unit.

Additional Features:

This website also offers other health calculators such as Sugar Intake Calculator, Basal Energy Expenditure, BMI Calculator, and more.

Final Thoughts:

It is another good online BMR calculator website that offers all the tools to accurately calculate your BMR value.

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bodybuilding.com

bodybuilding.com is another free online BMR calculator website. It helps users find out the minimum calorie they need to live. To do that, users need to provide their Age, Gender, Height, and Weight. Users can enter height in feet or meters and weight in pounds or kilograms. Now, check out the below steps.

How to calculate BMR online using bodybuilding.com:

Launch this website and go to its Basal Metabolic Rate Calculator.
Now, enter your age, gender, weight, and height values.
Now, specify the units of input values.
Lastly, click on the Calculate button to view the calculated BMR in calories per day unit.

Additional Features:

This website also offers articles about workouts, training, and nutrition for aspiring athletes and bodybuilders.

Final Thoughts:

It is a straightforward online BMR calculator website that anyone can use without much hassle.

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adityabirlacapital.com

adityabirlacapital.com is another free online BMR calculator website. This website comes with a simple online BMR calculator website that uses Activity Factor, Gender, Age, Height, and Weight parameters to calculate the BMR of a user. Now, check out the below steps.

How to calculate BMR online using adityabirlacapital.com:

Visit this website using the given link.
After that, enter the Activity Factor (no exercise, daily exercise, intensive exercise, etc.).
Now, specify your gender, age, weight, and height.
Lastly, click on the Calculate Now button to start the calculation process.

Additional Features:

This website also offers Mutual Funds, Portfolio Management, Personal Finance, etc., services.

Final Thoughts:

It is another good online BMR calculator website that offers all the tools to calculate the BMR value and BMR with activity factors.

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prokerala.com

prokerala.com is another free online BMR calculator website. This website helps users find out their BMR or the minimum amount of energy required to survive. To do that, it offers a BMR calculator that needs multiple input values such as Age, Gender, Exercise Status, Height, and Weight. Now, follow the below steps.

How to calculate BMR online using prokerela.com:

Visit this website and enter your age and gender.
Now, specify your exercise status, no exercise, exercise once in a week, exercise daily, etc.
Next, enter the height and weight parameters.
Lastly, click on the Calculate BMR button to view the BMR value.

Additional Features:

This website also offers associated online calculators such as BMI Calculator, Body Fat Calculator, Heart Risk Calculator, Ideal Weight Calculator, and more.

Final Thoughts:

It is another good online BMR calculator website that anyone can use without much hassle.

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diabetes.co.uk

diabetes.co.uk is the last free online BMR calculator website. This website helps users calculate the BMR of both male and female users. Although, it doesn’t consider their exercise behavior. After calculating the BMR, users can use its Harris-Benedict formula to calculate the total calorie intake required to maintain their current weight. Now, follow the below steps.