BMI Calculator

This is a free online BMI Calculator based on JavaScript that helps you determine your Body Mass Index (BMI).

cm
Please enter a valid height (100-250cm)
kg
Please enter a valid weight (30-300kg)
ft
in
Please enter valid height (3-8ft and 0-11in)
lbs
Please enter a valid weight (66-660lbs)

Your BMI Results

Underweight
BMI < 18.5
Normal
18.5 - 24.9
Overweight
25 - 29.9
Obese
BMI ≥ 30
Note: BMI is a screening tool but not a diagnostic of body fatness or health. Athletes may have a high BMI from muscle mass. Consult a healthcare provider for assessment.

If you’re tracking fitness goals, managing weight, or monitoring health risks, Our BMI Calculator provides accurate results in both Metric (cm/kg) and US Units (ft+in/lbs).

How to Use It?

  1. Select Your Unit System: Choose between Metric or US Units.

  2. Enter Your Height:

    • Metric: Input height in centimeters (cm)

    • US: Input height in feet (ft) and inches (in)

  3. Enter Your Weight:

    • Metric: Input weight in kilograms (kg)

    • US: Input weight in pounds (lbs)

  4. Click “Calculate BMI”: Get your BMI score instantly.

  5. View Your Results: See your BMI category (Underweight, Normal, Overweight, Obese) and health recommendations.

Why Use Our BMI Calculator?

  • This Body Mass Index calculator give you instant BMI calculations.
  • This BMI calculator Works kg and cm.
  • Works with both Metric and US measurements.
  • This calculator helps you Understand your BMI category and health risks.

Example Calculation of Healthy weight calculator

Metric Example:

  • Height: 175 cm

  • Weight: 70 kg

  • BMI Result: 22.9 (Normal Weight)

US Units Example:

  • Height: 5 ft 9 in

  • Weight: 154 lbs

  • BMI Result: 22.7 (Normal Weight)

Frequently Asked Questions (FAQs)

1. Is this tool free to use?

Yes, This Best free BMI calculator is 100% free to use.

2. Is BMI Accurate for Everyone?

Our BMI Calculator is a general screening tool but may not account for muscle mass, bone density, or body composition.

3. What’s a Healthy BMI Range?

  • Underweight: Below 18.5

  • Normal Weight: 18.5 – 24.9

  • Overweight: 25 – 29.9

  • Obese: 30 or higher

4. Can BMI Predict Health Risks?

Yes, high BMI is linked to increased risks of heart disease, diabetes, and other conditions. However, consult a doctor for a full health assessment.

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