BMI Scale for Male

Doctors utilize body mass index, or BMI, to determine whether a patient is overweight and to what extent. BMI is determined using height and weight and provides a more accurate estimation of total body fat than weight alone.

The typical body mass index range for adults is 18.5 to less than 24.9, therefore a BMI of 21 would be deemed normal.


How Is BMI Calculated?

The body mass index represents the relationship between a person’s height and weight as a single, independent value.
BMI is computed based on weight and height squared:

  • BMI = kg/m2 where kg is a person’s weight in kilograms and m2 is their height in meters squared
BMI less than 18.5Below normal weight
BMI 18.5 to under 24.9Normal weight
BMI 25 to under 29.9Overweight
BMI 30 to under 34.9Class I Obesity
BMI 35 to under 39.9Class II Obesity
BMI 40 or greaterClass III Obesity

BMI Scale For Male

Bmi for Seniors

Understanding your BMI result


Being underweight may indicate that you are not eating enough or that you are ill. If you are underweight, a physician can assist you.

Healthy weight

Continue your wonderful effort! Check out the food and diet and fitness pages for advice on sustaining a healthy weight.


If you are overweight, the best approach to reduce weight is by a combination of food and exercise.

The BMI calculator will provide you with a personalized calorie allowance to help you reach a healthy weight in a safe manner.


Diet, exercise, and, in some situations, medication are the most effective means of weight loss for those who are obese. See a physician for assistance.

Black, Asian, and other ethnic minorities

African-Americans, Asians, and members of other minority racial and ethnic groups are more likely to develop certain chronic illnesses, such as type 2 diabetes.

These adults have a BMI between:

  • 23 or more increases the danger
  • 27.50 or higher carries a high risk

Why waist size is also important?

Measuring your waist is a helpful technique to determine if you are carrying too much abdominal fat, which can increase your risk of cardiovascular disease, type 2 diabetes, and stroke.

You can have a healthy BMI and still be at risk for acquiring these illnesses if you have excess abdominal fat.

To determine your waist size:

  • Locate the base of your rib cage and the top of your hips.
  • Measure your waist circumference halfway between these two points.
  • Exhale normally prior to taking the measurement.

Regardless of your height or BMI, you should attempt weight loss if your waist circumference is:

  • 94 centimeters or more for males

You are at high risk and should consult a physician if your waist is:

  • 40 inches or greater for males

Limitation of the BMI

Your BMI can indicate whether you carry too much weight, but it cannot indicate whether you carry too much fat. The BMI does not distinguish between excess fat, muscle, and bone. The BMI for adults does not account for age, gender, or muscle mass.

This implies:

Very muscular individuals and athletes may be categorized as “overweight” or “obesity” while having a low body fat percentage. Adults who lose muscle as they age may fall within the “healthy weight” range despite carrying excess fat.
Pregnancy has an effect on a woman’s BMI. As your weight grows, your BMI will increase. You should use your weight before to pregnancy when determining your BMI.

Aside from these limitations, BMI is a rather simple and practical method for determining a person’s weight.

Eating disorders

If you have an eating disorder, the findings of the BMI calculator are invalid. Please get further guidance from a physician.

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