BMI Calculator: Quickly Check Your Body Mass Index

Calculate your Body Mass Index (BMI) instantly with our user-friendly tool. Understand if your weight is healthy based on your height, and explore detailed BMI charts for men and women.

Imperial (USA) Metric
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Your BMI is: 24.12
Category: Normal

Based on your height and age (30), your weight falls in the normal category.
For your height, a normal BMI weight range is between 53.6 kg and 72.1 kg (118.2 to 159.0 pound).

BMI Categories & Ranges

Category Range (kg/m2) Category
Underweight 0 - 18.5
Normal 18.5 - 25
Overweight 25 - 30
Obesity 30 - 40

What is BMI (Body Mass Index)?

Body Mass Index (BMI) is a measurement that determines if you have a healthy body weight relative to your height. It categorizes you into underweight, normal weight, overweight, or obese.

How to Calculate BMI: Formula & Explanation

Use the following formulas to calculate BMI:

Formulas Used:

The BMI (Body Mass Index) is calculated using the following formulas:

Imperial Formula:

BMI = (weight in pounds ÷ height in inches2) × 703

Metric Formula:

BMI = weight in kg ÷ height in meters2

BMI Chart for Men & Women

Quickly find your BMI category using our comprehensive BMI chart.

BMI Range Category
< 18.5 Underweight
18.5 – 24.9 Normal weight
25 – 29.9 Overweight
≥ 30 Obesity

Health Risks Associated with High or Low BMI

Understanding the risks associated with unhealthy BMI ranges:

Health Risks Associated with High or Low BMI

Understanding the risks associated with unhealthy BMI ranges:

High BMI Risks:

  • Heart Disease
  • Diabetes
  • High Blood Pressure

Low BMI Risks:

  • Nutritional Deficiencies
  • Osteoporosis
  • Weakened Immune System

How to Maintain a Healthy BMI

Tips to achieve and maintain a healthy BMI:

Frequently Asked Questions

What is a good BMI for men and women?

A healthy BMI range for adults (both men and women) is between 18.5 and 24.9.

How accurate is the BMI calculator?

BMI calculators provide a general assessment of health risks related to body weight but do not account for muscle mass or body composition. For precise health assessments, consult with healthcare providers.

Can BMI be different for men and women?

BMI calculation is the same for men and women; however, ideal ranges may differ slightly due to natural body composition differences.

Why is BMI important?

BMI helps quickly identify potential weight-related health risks, guiding individuals to healthier lifestyle choices.

Is this tool free to use?

Yes, this tool is completely free and runs entirely in your browser for maximum security and privacy.