BMI 155 cm / 45 kg

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Your Height

Your Weight

Your BMI position: 18.7 — Normal (WHO)

severe

under

normal

over

obese

Your BMI Result

18.7 kg/m² Normal

How your BMI was calculated

Formula: BMI = weight (kg) ÷ height (m)²

Your values: 45 kg ÷ (1.55 m)²

Height squared: (1.55)² = 2.4025 m²

Result: 45 ÷ 2.4025 = 18.7 kg/m²

⚖️ Ideal Weight Range

44.4 kg — 59.8 kg

For 1.55 m height (BMI 18.5-24.9)

🎯 Weight Goal

✓ You're on target!

Maintain your current healthy weight

What does a BMI of 18.7 mean?

Your BMI of 18.7 kg/m² is within the healthy normal range.

At 1.55 m (155 cm) and 45 kg, you are maintaining a healthy weight according to WHO standards. Your BMI falls within the optimal range of 18.5-24.9 kg/m².

Tips to maintain your healthy weight:

Continue eating a balanced diet with plenty of fruits and vegetables
Stay physically active with at least 150 minutes of moderate exercise weekly
Monitor your weight periodically to catch any changes early
Remember that BMI is just one health indicator—regular check-ups are important

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
41 kg -4	17.1	Underweight
43 kg -2	17.9	Underweight
45 kg ← you	18.7	Normal
47 kg +2	19.6	Normal
49 kg +4	20.4	Normal

This table shows how your BMI would change with different weights at your current height of 1.55 m.

BMI 18.7 (Normal) — 155 cm / 45 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.

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