BMI Calculator

Calculate your Body Mass Index (BMI) quickly and accurately with our tool.

BMI Calculator

Gender

Age

years

Height

ft in cm

Weight

pounds kg

There was an error with your calculation.

Body Mass Index

Underweight

Normal

Overweight

Obesity

Body Mass Index (BMI)	24.2 kg/m²
BMI Category	Healthy weight
Healthy BMI range	18.5 kg/m² - 25 kg/m²
Healthy weight for the height	135.1 lbs - 182.6 lbs
Gain to reach a BMI of 18.5 kg/m²	-
Lose to reach a BMI of 25 kg/m²	-
Ponderal Index	13.27 kg/m³

What is an Online BMI Calculator?

An Online BMI (Body Mass Index) Calculator is a tool that helps individuals determine their BMI based on their weight and height. BMI is a number that indicates whether an individual has a healthy body weight in relation to their height. It is commonly used by healthcare professionals to assess an individual’s risk of various health conditions related to weight, such as heart disease, diabetes, and hypertension. The BMI calculation does not directly measure body fat but provides a general guideline.

How to Use an Online BMI Calculator?

Enter Your Weight:
- Input your weight in kilograms (kg) or pounds (lbs), depending on the unit system you're using.
Enter Your Height:
- Provide your height in centimeters (cm) or inches (in), again depending on your preferred unit system.
Choose Your Unit of Measurement:
- Select the unit system for both weight and height (metric or imperial).
Calculate BMI:
- Click the "Calculate" button. The calculator will use the provided data to calculate your BMI.
Review the Results:
- After calculation, the BMI calculator will display your BMI value and categorize it according to different BMI ranges (e.g., underweight, normal weight, overweight, or obese) to give you an understanding of your body weight status.

Frequently Asked Questions-

What is BMI and why is it important?
- BMI stands for Body Mass Index, and it is a number derived from your weight and height. It is a useful tool to categorize individuals into different weight ranges, such as underweight, normal weight, overweight, and obese. BMI is used to assess whether you are at a healthy weight, but it does not directly measure body fat percentage.
What are the BMI categories?
- The BMI categories are as follows:
  - Underweight: BMI less than 18.5
  - Normal weight: BMI between 18.5 and 24.9
  - Overweight: BMI between 25 and 29.9
  - Obesity: BMI of 30 or greater
Can BMI be used for children?
- BMI calculations are typically used for adults. For children and teens, BMI is interpreted differently, as growth patterns vary. Pediatric BMI calculators take into account age and sex to assess if a child is underweight, normal weight, overweight, or obese.
What is a healthy BMI?
- A healthy BMI is typically between 18.5 and 24.9. This range indicates that your weight is in proportion to your height and that you have a lower risk of developing health issues related to obesity or underweight.
Can I rely solely on BMI to assess my health?
- While BMI is a good general indicator of body weight status, it does not account for factors like muscle mass, bone density, or fat distribution. It’s important to use BMI as a guideline in combination with other health assessments, such as waist circumference, body fat percentage, and overall lifestyle habits. If you have concerns, it's best to consult with a healthcare professional.