BMI 158 cm / 78 kg

kg

Your BMI position: 31.2Obese (WHO)

Your BMI Result
31.2 kg/m² Obese

How your BMI was calculated

Formula: BMI = weight (kg) ÷ height (m)²
Your values: 78 kg ÷ (1.58 m)²
Height squared: (1.58)² = 2.4964 m²
Result: 78 ÷ 2.4964 = 31.2 kg/m²

⚖️ Ideal Weight Range

46.2 kg 62.2 kg

For 1.58 m height (BMI 18.5-24.9)

🎯 Weight Goal

Lose 15.8 kg

Target: 62.2 kg to reach healthy BMI

What does a BMI of 31.2 mean?

Your BMI of 31.2 kg/m² indicates obesity.

At 1.58 m (158 cm) and 78 kg, your BMI is 30 or above. Obesity significantly increases health risks including heart disease, type 2 diabetes, certain cancers, and joint problems.

Recommended actions:
  • Consult your healthcare provider for a comprehensive health assessment
  • Target weight: 46.2-62.2 kg (you need to lose 15.8 kg)
  • Start with small, sustainable changes—even 5-10% weight loss improves health
  • Work with healthcare professionals on diet, exercise, and possibly medical treatment

Remember: BMI is a screening tool, not a diagnostic measure. It doesn't account for muscle mass, bone density, or where fat is distributed. Always consult healthcare professionals for personalized health advice.

How weight changes affect your BMI

See how gaining or losing a few kilograms would change your BMI category:

Weight BMI Category
74 kg -4 29.6 Overweight
76 kg -2 30.4 Obese
78 kg ← you 31.2 Obese
80 kg +2 32.0 Obese
82 kg +4 32.8 Obese

This table shows how your BMI would change with different weights at your current height of 1.58 m.

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BMI 31.2 (Obese) — 158 cm / 78 kg
BMI 31.2 (Obese) — 158 cm / 78 kg — conversion chart

This BMI calculator is provided for informational purposes only and does not replace professional medical advice. Learn more about BMI, limitations, and health recommendations.