BMI Calculator (WHO)
Calculates BMI with the international WHO categories.
Result
- BMI
- 23.53
- WHO category
- Normal weight
How to use the bmi calculator (who)
- Enter the weight (kg).
- Enter the height (cm).
- The results update as you type, or press Calculate.
- Read the bmi first, then the supporting figures below it.
Formula
BMI = kg ÷ m².
Worked example
For example, with these inputs:
- Weight (kg): 68
- Height (cm): 170
the calculator returns:
- BMI: 23.53
- WHO category: Normal weight
Background
Research has shown that Asians tend to develop conditions such as type 2 diabetes and heart disease at lower body weights than Europeans. That is why the Health Promotion Board recommends lower BMI cut-offs for Singaporeans, with 23 marking the start of moderate risk.
Any health calculator gives a general estimate. If a result worries you, or you are pregnant, managing a chronic condition or planning a big change in diet or exercise, speak to a doctor, polyclinic or dietitian.
Frequently asked questions
How does the bmi calculator (who) work?
It applies this formula: BMI = kg ÷ m².
Is this a medical assessment?
No. These are general estimates. Speak to a doctor or polyclinic for advice about your health.