Free online BMI Calculator

Use our BMI Calculator: Free Check Your Body Mass Index (BMI) Calculator
in a Few Minutes ⇒ Lets Calculate your Body Mass Index (BMI)

Your BMI Is:
The WHO regards a BMI of less than 18.5 as underweight and may indicate malnutrition, an eating disorder, or other health problems.
A BMI between 18.5 and 25 is considered normal and healthy.
People who fall into this category may be at risk of developing obesity.
This was earlier classified as "overweight".
People who have BMI equal or over 30 may have obesity, which is defined as an abnormal or excessive accumulation of fat that may harm health.
People who have BMI equal or over 30 may have obesity, which is defined as an abnormal or excessive accumulation of fat that may harm health.
People who have BMI equal or over 30 may have obesity, which is defined as an abnormal or excessive accumulation of fat that may harm health.

How to use this BMI Calculator Tool?


How to use Yttags's Free online BMI Calculator?

  • Step 1: Select the Tool
Free online BMI Calculator Step 1
  • Step 2: Select The Height & Weight.
Free online BMI Calculator Step 2
  • Step 3: Check Your Free online BMI Calculator Result
Free online BMI Calculator Step 3

Online BMI Calculator Example

Below is an example of the original BMI Calculator and the result.

Original BMI Calculator Example 
Height : 180 cm / 5' 11"
Weight : 51.1 kg / 112.66 lb

And an example of how the online BMI Calculator works.

BMI Calculator Result 
Underweight

Height : 153.5 cm / 5' 0"
Weight : 51.1 kg / 112.66 lb

And an example of how the online BMI Calculator works.

BMI Calculator Result 
Normal

Height : 177.5 cm / 5' 10"
Weight : 92 kg / 202.82 lb

And an example of how the online BMI Calculator works.

BMI Calculator Result 
Pre-obesity

Height : 163.5 cm / 5' 4"
Weight : 93.5 kg / 206.13 lb

And an example of how the online BMI Calculator works.

BMI Calculator Result 
Obese I

Height : 167 cm / 5' 6"
Weight : 108.1 kg / 238.32 lb

And an example of how the online BMI Calculator works.

BMI Calculator Result 
Obese II

Height : 168 cm / 5' 6"
Weight : 117.6 kg / 259.26 lb

And an example of how the online BMI Calculator works.

BMI Calculator Result 
Obese III

About BMI Calculator - Body Mass Index

A BMI is known as a Body Mass Index which is used to calculate how weighty you are. The body mass index (BMI), or Quetelet index, is a measure for human body shape based on an individual's mass and height.

Calculate you body mass index

Body mass index (BMI) is a measure of body fat based on height and weight that applies to adult men and women.

  • Select your weight. Ex -> 75
  • Select your Height. Ex -> 1.80
  • Get Your Body mass index (BMI)

What is the body mass index (BMI)?

The body mass index (BMI) is a measure that uses your height and weight to work out if your weight is healthy. The BMI calculation divides an adult's weight in kilograms by their height in metres squared.

BMI Chart

BMI Calculator

Categories of BMI values

CATEGORY BMI (Kg/m2) BMI PRIME
from to from to
Very severely underweight - 15 - 0.6
Severely underweight 15 16 0.6 0.64
Underweight 16 18.5 0.6 0.74
Normal (Healthy Weight) 18.5 25 0.74 1
Overweight 25 30 1 1.2
Obese Class I (Moderately obese) 30 35 1.2 1.4
Obese Class II (Severely obese) 35 40 1.4 1.6
Obese Class III (Very severely obese) 40 45 1.6 1.8
Obese Class IV (Morbidly Obese) 45 50 1.8 2
Obese Class V (Super Obese) 50 60 2 2.4
Obese Class VI (Hyper Obese) 60 - 2.4 -

BMI Chart – Adults (Age 20+)

BMI Weight Status
Below 18.5 Underweight
18.5 – 24.9 Normal or Healthy Weight
25.0 – 29.9 Overweight
30.0 and above Obese

What shape are you in?

  • 0 - 15: Very severely underweight
  • 15 - 16: Severely underweight
  • 16 - 18.5: Underweight
  • 18.5 - 25: Normal Range (healthy)
  • 25 - 30: Overweight
  • 30 - 25: Obese class I - Moderately obese
  • 35 - 40: Obese class II - Severely obese
  • 40: Obese class III: Very severely obese

Source : http://en.wikipedia.org/wiki/Body_mass_index

DISCLAIMER

This BMI calculator does not guarantee a 100% accuracy. This is just a small yttag tool. There maybe still more factors to consider when calculating your BMI such as your sex, age, or ethnicity.


If you want to link to Bmi Calculator page, please use the codes provided below!

Bmi Calculator

FAQs for Free online BMI Calculator

What is BMI?
BMI (Body Mass Index) is a measure that calculates the relationship between a person's weight and height, commonly used to assess body weight and health status.
Is Body Mass Index reliable?
While BMI is a simple and widely used measure, it has limitations and may not fully represent an individual's body composition or health, and should be used in conjunction with other assessments for a more comprehensive evaluation.
How to calculate BMI?
To calculate BMI, divide a person's weight in kilograms by the square of their height in meters.
How is BMI measured?
BMI is measured by dividing a person's weight in kilograms by the square of their height in meters.
What is ideal BMI for a woman?
The ideal BMI range for a woman is typically considered to be between 18.5 to 24.9.
What is ideal BMI for a man?
The ideal BMI range for a man is typically considered to be between 18.5 to 24.9.