BMI Calculator – Check Your Body Mass Index For Women & Men

Medically reviewed by Gabrielle Kane, RDN, CSP, LD Gabrielle Kane Gabrielle KaneRDN, CSP, LD facebook_iconinsta_icon
Written by , MSc (Biotechnology), Certified Health & Nutrition Life Coach Payal Karnik MSc (Biotechnology), Certified Health & Nutrition Life Coach linkedin_icon Experience: 2.5 years
Edited by , BA (Literature & Psychology), PG Diploma Arshiya Syeda BA (Literature & Psychology), PG Diploma linkedin_icon Experience: 7 years
Fact-checked by , BSc (Life Sciences), Certified Health & Nutrition Life Coach Himanshi Mahajan BSc (Life Sciences), Certified Health & Nutrition Life Coach linkedin_icon Experience: 2 years

BMI calculator is an excellent tool to measure a person’s leanness or fatness as per height and weight. It widely describes whether your are in healthy zone or need to lose or gain weight. BMI ranges may vary based on your exercise regime. More you gain weight more will be the BMI but it does not mean that you are obese it can be because of high muscle mass also.



Enter your height

Enter your height



Your BMI is





Based on the height and weight entered, your BMI is indicating your weight is in the Category for adults. For your height,a normal weight range would be from to

What Is Body Mass Index?

BMI is Body Mass Index a parameter to assess nutritional status as per
height and weight. It is a ratio between weight in kilograms and height in
square meters (1).

BMI chart Adults

Bmi calculator

Standard BMI ranges and nutritional status as per WHO

BMIWeight Status
Below 18.5Underweight
18.5 – 24.9Normal weight
30.0–34.9Obesity class I
35.0–39.9Obesity class II
Above 40Obesity class III

BMI chart Kids

BMI for age percentile is basically designed to assess growth pattern of children and teenage

Weight Status CategoryPercentile Range
UnderweightLess than the 5th percentile
Normal or Healthy Weight5th percentile to less than the 85th percentile
Overweight85th to less than the 95th percentile
ObeseEqual to or greater than the 95th percentile

How to calculate body mass index?

In Metric Scale

Step 1: Measure your weight in kg preferably in an empty stomach to get actual weight.

Step 2: Measure height by Stadiometer and convert it to meter by dividing it by 100.

In Imperial Scale

Step 1: Measure weight in pounds by digital weighing machine.

Step 2: Multiply height in inches inself.

Step 3: Divide weight and height, results should be multiplied by 703.

Metric BMI Formula:BMI = Weight (kg) ÷ Height 2 (meter 2 )

Imperial BMI Formula:

BMI = Weight (lb) ÷ height 2 (in 2 ) × 703

Risks of being overweight?

Overweight or severely obesity increases the risk of many diseases as per Postgraduate Medicine review studies :

  • Diabetes
  • Cardiovascular disorders
  • Metabolic Syndrome
  • High Blood Pressure
  • Pancreatitis
  • Gallbladder diseases
  • Sleep Apnea and breathing problem
  • Osteoarthritis
  • Non Alcoholic Fatty Liver diseases
  • Pulmonary Complications
  • Depression
  • Low Quality of life

Risks for being underweight?

Being underweight multiple risks are associated with it:

  • Malnutrition
  • Low Bone Mineral Density
  • Poor Immune System
  • Retarded or stunted growth and development among children.
  • Hormonal imbalance especially among women

Limitations of BMI

BMI is not an accurate measure when it comes to analyse body fat

  • BMI measures overall nutritional status in relation to height and weight. No mention of body fat percentage or muscle mass.
  • It does not distinguish water weight, bone mass etc.
  • It is not specific to sex of a person. For eg: BMI of male and female is same whereas male has more muscle mass and female has more of fat mass which is not mentioned in BMI chart

What is a healthy BMI for women?

BMI varies as per age, height and weight. It is invariable in respect to gender. Though women have more fat mass compared to men but it does not affect BMI and no scientific evidence mentioned specific BMI for women.


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    Frequently Asked Questions

    What is the best BMI for a senior woman?

    A BMI between 25-27 is ideal for older women. However, the number may vary from person to person depending on their height and age.

    How do I calculate my BMI in pounds?

    BMI= (weight in pounds / (height in pounds) squared) X 703 (conversion factor)

    Divide your weight (in pounds) by the squared amount of your height (in pounds). Then multiply that amount by 703 (the conversion factor). This will give you your BMI value in pounds.

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    Gabrielle Kane

    Gabrielle KaneMS, RDN, CSP, LD

    Gabby is a Registered Dietitian Nutritionist with 11 years of experience. She is also the founder of Peak Performance Nutrition LLC in Houston, Texas. She coaches both adults and children to their peak health using the power of sustainable lifestyle change. In addition to a BA in Nutrition and Psychology from Case Western Reserve University, she also has a Master' full bio