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⚖️ BMI Calculator

Calculate your Body Mass Index instantly. Find your BMI number, health category, and ideal weight range for your height in seconds.

✏️ Enter Your Values
✨ Your Result
Result
🦉Owl's Explanation
⚖️
Fill in the values on the left
and click Calculate! ✨

🤔 How Does This Tool Work?

BMI = weight (kg) divided by height (m) squared. Our calculator uses this formula then compares your result to international BMI categories:

  • Below 18.5 — Underweight
  • 18.5 to 24.9 — Normal healthy weight
  • 25.0 to 29.9 — Overweight
  • 30.0 and above — Obese

It also calculates your ideal weight range for your height. BMI is a guide — always consult a doctor for full health assessment.

📚 Related Article
What is BMI and Is Yours Healthy? →
Read Article →
❓ FAQ
What is a healthy BMI?▼
A BMI between 18.5 and 24.9 is considered healthy for most adults. Below 18.5 is underweight. Between 25.0 and 29.9 is overweight. 30.0 and above is classified as obese.
Is BMI accurate for everyone?▼
BMI is a useful screening tool but not perfect. Very muscular athletes may show a high BMI despite being very healthy. Children and pregnant women need different assessments.
What is my ideal weight range?▼
Your ideal weight range is shown after calculation — the weight values that give you a healthy BMI of 18.5 to 24.9 for your specific height.
How do I calculate BMI manually?▼
BMI = weight (kg) divided by height (m) squared. Example: 65 kg divided by (1.70 x 1.70) = 22.5 BMI. Or just use our free calculator!
Should children use this calculator?▼
This uses adult BMI standards. Children need age-specific BMI charts. Please consult a paediatrician for children's BMI assessment.
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