BMI 169 cm / 50 kg

kg

Your BMI position: 17.5Underweight (WHO)

Your BMI Result
17.5 kg/m² Underweight

How your BMI was calculated

Formula: BMI = weight (kg) ÷ height (m)²
Your values: 50 kg ÷ (1.69 m)²
Height squared: (1.69)² = 2.8561 m²
Result: 50 ÷ 2.8561 = 17.5 kg/m²

⚖️ Ideal Weight Range

52.8 kg 71.1 kg

For 1.69 m height (BMI 18.5-24.9)

🎯 Weight Goal

Gain 2.8 kg

Target: 52.8 kg to reach healthy BMI

What does a BMI of 17.5 mean?

Your BMI of 17.5 kg/m² indicates you are underweight.

At 1.69 m (169 cm) and 50 kg, your weight is below the healthy range of 18.5-24.9. Being underweight can affect your immune system, bone health, and energy levels.

Recommended actions:
  • Aim for a target weight of 52.8-71.1 kg
  • Increase calorie intake with healthy, nutrient-rich foods
  • Include protein and strength exercises to build muscle
  • Consult a doctor if you're having difficulty gaining weight

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
46 kg -4 16.1 Underweight
48 kg -2 16.8 Underweight
50 kg ← you 17.5 Underweight
52 kg +2 18.2 Underweight
54 kg +4 18.9 Normal

This table shows how your BMI would change with different weights at your current height of 1.69 m.

Share This Calculation

BMI 17.5 (Underweight) — 169 cm / 50 kg
BMI 17.5 (Underweight) — 169 cm / 50 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.