BMI 6'6" / 340 lbs

BMI US Metric BMI UK Calories

Your Height

ft in

Your Weight

lbs

Your BMI position: 39.3 — Obese (WHO)

severe

under

normal

over

obese

Your BMI Result

39.3 kg/m² Obese

How your BMI was calculated

Formula: BMI = (weight × 703) ÷ height²

Your values: (340 lbs × 703) ÷ (78 in)²

Height squared: (78)² = 6084 in²

Result: 239,020 ÷ 6084 = 39.3 kg/m²

⚖️ Ideal Weight Range

160 lbs — 215 lbs

For 6'6" height (BMI 18.5-24.9)

🎯 Weight Goal

↓ Lose 125 lbs

Target: 215 lbs to reach healthy BMI

What does a BMI of 39.3 mean?

Your BMI of 39.3 kg/m² indicates obesity.

At 6'6" and 340 lbs, 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: 160-215 lbs (you need to lose 125 lbs)
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 pounds would change your BMI category:

Weight	BMI	Category
330 lbs -10	38.1	Obese
335 lbs -5	38.7	Obese
340 lbs ← you	39.3	Obese
345 lbs +5	39.9	Obese
350 lbs +10	40.4	Obese

This table shows how your BMI would change with different weights at your current height of 6'6".

BMI 39.3 (Obese) — 6'6" / 340 lbs — 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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