BMI Calculator

Use our free BMI Calculator online to measure your Body Mass Index, find your healthy weight range, and get personalized weight management recommendations. Track your fitness and maintain a healthy lifestyle effortlessly.

Calculate Your BMI

Normal Weight
24.2
UnderNormalOverObese
Category
Normal
Risk Level
Low
BMI Prime
0.97
Ponderal Index
12.8
Healthy BMI Range
18.5 - 25.0
Healthy Weight Range
56.7 - 76.7 kg
🎯 Weight Goal Analysis
Weight to lose: 0 kg
Target weight (BMI 24.9): 70 kg
Safe timeline: Maintain
💡 Recommendation
Maintain your current weight with regular exercise and balanced nutrition.

Calculate Your Body Mass Index (BMI)

The BMI Calculator is a free online tool that helps you calculate your Body Mass Index (BMI) based on your height, weight, age, and gender. It provides instant results, shows your BMI category (Underweight, Normal Weight, Overweight, or Obese), and offers health insights to help you maintain or reach a healthy weight.

What is BMI?

BMI (Body Mass Index) is a simple measure that indicates if your weight is healthy in relation to your height. It is calculated using the formula:

BMI is widely used to screen for weight categories that may lead to health problems.

BMI is widely used to screen for weight categories that may lead to health problems.

How to Use the BMI Calculator:

  1. Enter your height in cm, inches, or feet.

  2. Enter your weight in kg or pounds.

  3. Provide your age and select your gender.

  4. Click Calculate BMI.

  5. Review your BMI score, category, health risk, BMI Prime, Ponderal Index, and healthy weight range.

  6. See weight goals and recommendations if you need to lose or maintain weight.

Who Can Use This Tool:

  • Adults and teenagers wanting to monitor their weight healthily.

  • Fitness enthusiasts tracking progress.

  • Individuals planning safe weight loss or maintenance.

  • Health-conscious people wanting personalized health insights.

Understanding BMI Categories and Healthy Weight:

  • Underweight: BMI < 18.5 – May indicate malnutrition or health risks.

  • Normal Weight: BMI 18.5 – 24.9 – Considered healthy.

  • Overweight: BMI 25 – 29.9 – Increased risk of health issues.

  • Obese: BMI ≥ 30 – High risk of chronic diseases.

Healthy Weight Range: Calculated based on your height and a BMI of 18.5–25. Example: for a person 170 cm tall, healthy weight range = 56.7 – 76.7 kg.

How This Calculator Can Help You Maintain Your Weight:

  • Provides your current BMI and weight category.

  • Shows healthy weight range and weight to lose if overweight.

  • Suggests safe timeline for reaching your target weight.

  • Gives personalized recommendations for diet, exercise, and lifestyle.

FAQs (Frequently Asked Questions):

Q1: What is BMI and how is it calculated?
A: BMI (Body Mass Index) is calculated by dividing your weight in kilograms by your height in meters squared. Our calculator does this automatically and shows your BMI category.

Q2: What do the different BMI categories mean?
A: Underweight: BMI <18.5, Normal Weight: 18.5–24.9, Overweight: 25–29.9, Obese: ≥30. Each category indicates different health risk levels.

Q3: What is BMI Prime and Ponderal Index?
A: BMI Prime is your BMI divided by 25 (upper limit of normal BMI). Values below 1 indicate normal weight. Ponderal Index uses height cubed instead of squared, helpful for very tall or short individuals.

Q4: How much weight do I need to lose to reach a healthy BMI?
A: The calculator shows how much weight to lose to reach a BMI of 24.9, along with target weight and estimated safe timeline (0.5 kg per week).

Q5: What is a healthy weight range for my height?
A: The calculator provides your healthy weight range based on a BMI of 18.5–25. This range indicates weights generally considered healthy for your height.

Q6: Can I use this BMI calculator for children?
A: This calculator is designed for adults. For children and teenagers, BMI charts specific to age and gender are recommended.