BodyMetricPrecision Health & Fitness

Healthy Weight Range Calculator

Calculate the exact lower and upper boundaries of healthy weight for your height

Input Parameters
Real-time calculation updates dynamically as you adjust inputs. Values remain strictly local on your device.
Healthy Weight WindowWHO 18.5–24.9 BMI
56.7 – 76.3kg

Stature: 175 cm (~125 – 168 lbs)

Midpoint Weight
66.5kg
Range in Stone
8.9 – 12 st
Clinical Responsibility Note: This calculation provides statistical estimations for informational and educational purposes only. It is not an individualized medical diagnosis or clinical prescription.

Mathematical Formula & Scientific Methodology

Formula: WHO Stature Squared Boundary Equation

Lower = 18.5 × H², Upper = 24.9 × H²

Defines the statistical zone of lowest historical morbidity and mortality across international epidemiological surveys.

Model Assumptions

  • Adult subjects

Variables & Standard Units

SymbolPhysiological MeaningUnit
HHeight in metersm

Scientific Limitations

  • Athletes with significant muscle mass can safely sit slightly above 24.9

Peer-Reviewed Scientific Citations

Obesity: preventing and managing the global epidemic. Report of a WHO consultation (2000)

World Health Organization (2000) — WHO Technical Report Series, 894, 1-253

Key Finding: Standard international adult BMI classifications: Underweight (<18.5), Normal (18.5-24.9), Overweight (25.0-29.9), Obesity Class I (30.0-34.9), Class II (35.0-39.9), Class III (>=40.0).

Frequently Asked Questions