BMI Calculator South Africa 2026 (Body Mass Index & Health Status)
Calculate your BMI score, healthy weight range in kilograms, and metabolic risk profile adapted to South African Medical Research Council (SAMRC) and WHO health benchmarks.
South Africa · BMI Calculator South Africa
Methodology
Computes Body Mass Index via BMI = weight (kg) / [height (m)]^2. Categorizes outcomes using WHO / South African Medical Research Council (SAMRC) standards: Underweight (<18.5), Normal weight (18.5–24.9), Overweight (25.0–29.9), Obesity Class I (30.0–34.9), Class II (35.0–39.9), Class III / Severe (40.0+). Calculates ideal healthy weight interval (18.5 to 24.9 BMI).
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User-provided inputs
This calculator uses only the values you enter. It does not automatically apply tax law, statutory deductions, lender fees, or live exchange rates.
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Formula basis
The formula is shown openly and no country rate is inserted automatically.
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Your estimate
AfricalHub is an independent private platform not affiliated with any government agency. Calculations are for educational planning only. Verify official filings with the relevant revenue authority or a qualified professional.
Sources
User-provided inputs
This calculator uses only the values you enter. It does not automatically apply tax law, statutory deductions, lender fees, or live exchange rates.
Frequently asked questions
How is BMI calculated in South Africa?
BMI is calculated by taking your weight in kilograms and dividing it by your height in meters squared: weight / (height * height).
What is a healthy BMI for South African adults?
A healthy adult BMI is between 18.5 and 24.9 kg/m² according to WHO and SAMRC benchmarks.
What are the health risks associated with high BMI in South Africa?
Elevated BMI increases risks of non-communicable diseases prominent in South Africa, including hypertension, Type 2 diabetes, stroke, and cardiovascular disease.