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Health · MOH Asian cutoffs

BMIcalculator (Malaysia)

Work out your Body Mass Index (BMI) and see where you sit on Malaysia's health scale. Malaysia's Ministry of Health uses the WHO Asian cutoffs, which are lower than the global standard — you're considered overweight at a BMI of 23 (not 25) and obese at 27.5 (not 30), because health risks like diabetes and heart disease appear at a lower BMI in Asian populations. Enter your weight and height to see your BMI, your category under both the Asian and WHO scales, and the healthy weight range for your height.

Your measurements

Your BMI result

Your BMI

24.2

Category

Asian / MOH

Overweight

WHO global

Normal
Healthy weight for your height53.5–66.2 kg

About 3.8 kg above your healthy range.

Malaysia's Ministry of Health uses the Asian cutoffs (overweight ≥23, obese ≥27.5), which are lower than the WHO global scale.

Estimate for educational use only — not medical advice. BMI is a screening tool that doesn't distinguish muscle from fat, so it can misjudge athletes, the elderly, and pregnant women. Speak to a doctor or dietitian for a proper assessment.

How it's calculated

BMI is your weight in kilograms divided by the square of your height in metres (kg/m²). A 70 kg person who is 1.70 m tall has a BMI of 70 ÷ (1.70 × 1.70) = 24.2.

Your BMI is then matched to a category. Malaysia uses the WHO Asian cutoffs: underweight below 18.5, normal 18.5–22.9, overweight 23–27.4, and obese from 27.5 (Class I 27.5–34.9, Class II 35–39.9, Class III 40 and above).

Why it matters

BMI is the quickest screen for weight-related health risk, and in Malaysia the bar is set lower for a reason: Asian bodies tend to carry more body fat and face higher diabetes and heart-disease risk at the same BMI as Western populations. That same 70 kg, 1.70 m person is 'normal' on the WHO global scale but 'overweight' under Malaysia's Asian cutoffs — which is why knowing the right scale matters. The 2023 National Health and Morbidity Survey found 54.4% of Malaysian adults are overweight or obese.

70 kg at 1.70 m

Worked example

A person weighing 70 kg and standing 1.70 m tall, under both scales:

BMI = 70 ÷ (1.70 × 1.70) = 70 ÷ 2.89 = 24.2.

Under the WHO global scale (normal 18.5–24.9), 24.2 is normal.

Under Malaysia's Asian scale (normal 18.5–22.9), 24.2 is overweight.

Healthy weight range for 1.70 m (Asian normal band): 53.5–66.2 kg — so this person is about 3.8 kg above the healthy range.

Common mistakes

Where BMI is easy to misread:

  1. 01Using the wrong scale

    Most online BMI tools use the WHO global cutoffs. In Malaysia, the MOH uses the lower Asian cutoffs — so a BMI that looks 'normal' globally may already be 'overweight' here.

  2. 02Treating BMI as body fat

    BMI doesn't measure body fat directly. A muscular person can have a high BMI without being overweight, while someone with low muscle can have hidden excess fat at a 'normal' BMI.

  3. 03Ignoring waist size

    BMI says nothing about where fat sits. Waist circumference (≥90 cm men / ≥80 cm women in Asians) flags abdominal fat, a separate risk BMI misses.

Frequently asked questions

7 answers
What is a healthy BMI in Malaysia?

Malaysia's Ministry of Health uses the WHO Asian cutoffs, so a healthy (normal) BMI is 18.5 to 22.9. Below 18.5 is underweight, 23 to 27.4 is overweight, and 27.5 and above is obese.

Why are Malaysia's BMI cutoffs lower than the WHO global scale?

Asian populations tend to develop weight-related health risks — like type 2 diabetes and heart disease — at a lower BMI than Western populations. So the MOH adopts the WHO Asian thresholds: overweight at 23 (vs 25) and obese at 27.5 (vs 30).

How is BMI calculated?

BMI = your weight in kilograms divided by your height in metres squared (kg/m²). For example, 70 kg ÷ (1.70 m)² = 24.2.

Is BMI accurate?

BMI is a quick screening tool, not a diagnosis. It doesn't tell muscle from fat, so it can overstate risk for athletes and understate it for people with low muscle mass. Use it as a starting point and see a doctor for a full assessment.

What's the difference between the Asian and WHO scales here?

The calculator shows both. The Asian / MOH scale (used in Malaysia) classifies overweight from 23 and obese from 27.5; the WHO global scale classifies overweight from 25 and obese from 30. The same BMI can fall in different categories on each scale.

What is my healthy weight range?

It's the weight range that puts your BMI in the normal band (18.5–22.9 under the Asian scale) for your height. For 1.70 m, that's roughly 53.5 to 66.2 kg.

Does BMI work for children or pregnant women?

No. This calculator is for non-pregnant adults. Children and teens use age- and sex-specific BMI percentile charts, and BMI isn't valid during pregnancy. Consult a healthcare provider for those cases.

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