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Body Mass Index (BMI) Calculator

Calculate your Body Mass Index with our easy-to-use BMI calculator. Check your BMI to find out if you’re a healthy weight for your height with free online body mass calculator.

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in
lbs
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BMI Categories

  • Less than 18.5 = Underweight
  • Between 18.5 – 24.9 = Healthy Weight
  • Between 25 – 29.9 = Overweight
  • Over 30 = Obese

Body Mass Index (BMI) Calculator

Resources for building and problem-solving.

ft
in
lbs
cm
kg

BMI = 20.2

You are in the Healthy Weight Range.

BMI Categories

  • Less than 18.5 = Underweight
  • Between 18.5 – 24.9 = Healthy Weight
  • Between 25 – 29.9 = Overweight
  • Over 30 = Obese

Body Mass Index Calculator - BMI Calculator

What is a BMI Calculator?

The BMI calculator, or Body Mass Index calculator, is a simple tool for determining if your weight is within a healthy range. It is determined based on your height and weight. It’s a figure that informs you whether your weight is appropriate for your height. It helps you determine if you are underweight, normal, overweight, or obese.

How BMI Can Guide Your Health?

Knowing your body mass index (BMI) may assist you and your doctor make vital health choices. If your BMI is either too high or too low, it may indicate that you should change your diet or exercise habit.
Using a BMI calculator on a regular basis allows you to monitor weight fluctuations over time. This is particularly important if you’re looking to reduce or gain weight. With our Free Body Mass Calculator, you can quickly track your progression. A high BMI may imply an increased risk of certain health disorders such as heart disease, diabetes, and hypertension. Using a BMI calculator for adults might help you better understand these dangers and take precautions. Our Adult BMI calculator is ideal for anybody above the age of 18, and it provides personalized results for both men and women. Toolkittify Adult BMI calculator is perfect for anyone over 18, providing personalized insights for both men and women. 

BMI Calculator for Men

Check out the BMI chart for men to see where you stand and what steps you might need to take.
Understanding your health is critical, and the Toolkittify BMI calculator for men makes this simple. This calculator calculates your Body Mass Index based on your height and weight. The BMI calculator for men returns a value that indicates if your weight is within a healthy range. It’s a simple and efficient approach to assess your health. By utilizing the BMI calculator for men regularly, you can track your weight fluctuations and make more educated food and exercise choices. This is especially important if you want to reduce or gain weight. The BMI calculator for men is intended to provide you with clear information about your health, allowing you to live a more balanced lifestyle.

BMI Calculator for Women

Refer to the BMI chart for women to get a detailed view of where you stand and what actions you might need to take to improve or maintain your health.
Our BMI calculator for women is a simple yet effective tool for assessing your body’s wellness. By entering your height and weight, the BMI calculator for women determines your Body Mass Index, which shows if you are within a healthy weight range. This information is critical for making educated healthcare decisions and monitoring your progress over time. The BMI calculator for women is intended to give personalized information, making it simpler to maintain or reach a healthy weight. Regularly using the BMI calculator for women will help you manage your health and well-being.

What Your Result Means

Here’s what your BMI result indicates:

  • Underweight (BMI < 18.5): You may be at risk for health issues related to being underweight. Consider consulting a healthcare provider.
  • Normal Weight (BMI 18.5–24.9): Your weight is considered healthy, and generally associated with a lower risk of weight-related health problems.
  • Overweight (BMI 25–29.9): You may be at an increased risk for health conditions. Adopting healthier habits could be beneficial.
  • Obese (BMI ≥ 30): Obesity is linked to higher health risks. It’s important to seek advice from a healthcare professional for a weight management plan.


Want to explore how age impacts your health? Try our Age Calculator for personalized insights!

BMI Formula

Here are the BMI formulas for SI and USC units:

BMI = weight ÷ height in meters squared

Metric units: BMI = weight (kg) ÷ height in meters squared

US units: BMI = weight (lb) ÷ height in inches squared * 703

Limitations of BMI

While the BMI calculator is a helpful tool for determining weight, it has certain limitations. Understanding these limits is critical for obtaining a comprehensive picture of your health.

  • Muscle Mass: The BMI formula makes no distinction between muscle and fat. Athletes and other muscular persons may have a high BMI while having minimal body fat. This impacts both the BMI calculator for men and the BMI calculator for women.
  • Fat Distribution: BMI does not indicate where fat is stored in your body. Fat around the waist is more hazardous than fat around the hips, yet the BMI chart fails to represent this.
  • Age and gender: The Adult BMI calculator does not take into account age-related changes in body composition or gender variances. The BMI calculator for adults may not be accurate for older adults or various genders.
  • Overall Health: BMI does not account for variables such as food, exercise level, or heredity. Someone with a normal BMI might have health problems, whilst someone with a high BMI could be healthy.
  • The BMI calculator is not a diagnostic tool: It should be used with other health examinations. Consult a healthcare practitioner for a more thorough review.

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