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BMI Calculator

Calculate your Body Mass Index (BMI) instantly. Get your health category, ideal weight range, and personalized tips — free, no signup.

Free No signup Instant
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UnderweightNormalOverweightObese
BMI Category
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Healthy Weight Range
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Weight Status
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Tip
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📊 BMI Categories Reference

Under 18.5
Underweight
18.5 – 24.9
Normal weight
25.0 – 29.9
Overweight
30.0 +
Obese

📋 How to Use This Tool

  1. Step 1: Enter your height (cm or ft/in) and weight (kg or lbs) in the input fields above.
  2. Step 2: Select your preferred unit system — Metric or Imperial — and click Calculate BMI.
  3. Step 3: Your BMI score, health category, and ideal weight range appear instantly on screen.

⚡ Key Features & Benefits

  • Supports Metric & Imperial: Use kilograms/centimeters or pounds/inches — your choice.
  • Instant Health Category: Underweight, Normal, Overweight, or Obese — with color-coded result.
  • Ideal Weight Range: See the healthy weight range for your exact height.

❓ Frequently Asked Questions

Can I use pounds and inches instead of kg and cm?

Yes — switch between metric (kg/cm) and imperial (lb/inches) units depending on what you're comfortable with.

What does the health category actually mean?

Your BMI is mapped to a standard category — Underweight, Normal, Overweight, or Obese — shown with a color-coded result so it's easy to read at a glance.

Does it tell me my ideal weight, not just my BMI?

Yes — alongside your BMI, it shows the healthy weight range for your exact height.

🔗 Quick Links
📚 View Documentation 📝 Read Blog Guide ✉️ Request a Custom Tool