BMI Calculator

Use our BMI (Body Mass Index) calculator to get a quick estimate of whether your weight is in a healthy range for your height.

BMI is a screening tool — it doesn’t measure body fat directly, but it can help start a conversation about overall health.

Calculate your BMI

Enter:

• Height: cm (or metres)

• Weight: kg

Your result will show:

• Your BMI number

• Your BMI category (Underweight / Healthy / Overweight / Obese)

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What is BMI?

BMI is calculated using your weight and height:

BMI = weight (kg) ÷ [height (m)]²

Example:
If you weigh 70 kg and your height is 1.75 m:
BMI = 70 ÷ (1.75 × 1.75) = 22.9

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BMI Categories (Adults)

These ranges are commonly used for adults:

• Underweight: Less than 18.5

• Healthy range: 18.5 to 24.9

• Overweight: 25.0 to 29.9

• Obese: 30.0 or higher

Note: Some health guidelines use different cut-offs for certain ethnic groups and individual health situations.

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Important notes

BMI may be less accurate for:

• Very muscular people (e.g., athletes)

• Pregnant people

• Older adults

• Children and teenagers (they need age/sex-specific charts)

If your BMI is outside the healthy range — or you’re unsure what it means — we can help you understand your result and suggest next steps.

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Talk to our team

Need support with weight management, nutrition, or overall wellbeing?

Pakuranga Pharmacy can help with:

• Healthy lifestyle advice

• Blood pressure checks

• Diabetes support products

• Vitamins and supplements guidance

• Referrals to local health services when needed

📍 Visit us in-store or contact us for friendly advice.

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Privacy

Your BMI result is for your personal use. We recommend you don’t share sensitive health information on public or shared devices.

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Medical disclaimer

This calculator provides general information only and is not a diagnosis or medical advice. If you have concerns about your health, please talk to a qualified healthcare professional.