BMI for 6'5" 400 lbs
Calculate your Body Mass Index for a height of 6'5" and weight of 400 lbs.
Your BMI
47.4
Obese Class III
A person 6'5" tall weighing 400 lbs needs to lose 190 lbs to reach a healthy BMI of 24.9 or lower.
Use our Weight Loss Calculator to create a safe plan to lose 190 lbs.
Healthy Range
156 – 210 lbs
for 6'5" (BMI 18.5–24.9)
Your Status
Obese Class III
BMI 47.4
Should You Lose Weight?
Yes — lose 190 lbs
Health Assessment for 6'5" 400 lbs
Class III (severe) obesity poses the highest risk for premature mortality, severe cardiovascular disease, and complications from metabolic syndrome. Bariatric evaluation may be appropriate.
To start your weight loss journey, use our weight loss calculator to set safe targets. Our TDEE calculator can help you understand your daily calorie needs, and our calorie calculator can create a customized deficit plan.
Healthy BMI Weight Range for 6'5"
For a person who is 6'5" tall, the healthy BMI range of 18.5 to 24.9 corresponds to a weight range of 156 to 210 lbs. Your current weight of 400 lbs places you in the Obese Class III category.
BMI for 400 lbs at Similar Heights
BMI for 6'5" at Nearby Weights
BMI Classification Table
| Classification | BMI Range | Weight Status |
|---|---|---|
| Underweight | < 18.5 | Below healthy weight |
| Normal | 18.5 – 24.9 | Healthy weight |
| Overweight | 25 – 29.9 | Excess weight |
| Obese Class I | 30 – 34.9 | Moderate obesity |
| Obese Class II | 35 – 39.9 | Severe obesity |
| Obese Class III | 40+ | Very severe obesity |
Frequently Asked Questions
Q: What does a BMI of 47.4 mean for someone 6'5" tall?
A BMI of 47.4 for a 6'5" individual classifies you as Obese Class III. Class III (severe) obesity poses the highest risk for premature mortality, severe cardiovascular disease, and complications from metabolic syndrome. Bariatric evaluation may be appropriate.
Q: What is the ideal weight for someone 6'5" tall?
For a height of 6'5", the healthy weight range is 156 to 210 lbs (BMI 18.5 to 24.9). Use our BMI calculator to check any weight.
Q: How is BMI calculated for 6'5" 400 lbs?
BMI = (weight in lbs ÷ height in inches²) × 703. For 6'5" (77 inches) and 400 lbs: (400 ÷ 77²) × 703 = 47.4.
Q: How can I lower my BMI from 47.4 to a healthy range?
To reach a healthy BMI, you would need to lose approximately 190 lbs. A safe rate is 0.5 to 2 lbs per week through a moderate calorie deficit. Use our weight loss calculator to create a personalized plan.