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At 4'11" and 170 lbs, your BMI is 34.3, placing you in the Obese Class I category. A BMI of 34.3 falls in the Class I obesity range (30 to 34.9). Health risks are elevated. A structured nutrition and activity plan can make a significant difference.
34.3
BMI
Obese Class I
Category
92-123
Healthy range (lbs)
-47 lbs
To healthy high
BMI 34.3: Obese Class I
| BMI | Category | Weight (lbs) | Your Status |
|---|---|---|---|
| Below 18.5 | Underweight | Below 92 lbs | - |
| 18.5 to 24.9 | Normal | 92 to 123 lbs | Goal range |
| 25.0 to 29.9 | Overweight | 124 to 148 lbs | - |
| 30.0+ | Obese | Above 148 lbs | You are here |
Your BMI of 34.3 puts you in the Obese Class I category for someone 4'11".
To reach the upper boundary of the healthy range (123 lbs), you would need to lose approximately 47 lbs. A sustainable rate is 0.5 to 1 lb per week, which means roughly 63 weeks at a moderate calorie deficit.
Keep in mind that BMI does not account for muscle mass. Two people at 4'11" and 170 lbs can have very different body compositions. Body fat percentage is a more precise indicator of health risk.
BMI only uses height and weight. Body fat percentage measures actual fat tissue as a proportion of total weight, making it more precise for body composition assessment. Two people with the same BMI of 34.3 can have very different body fat percentages depending on muscle mass. Athletes often have BMI values above 25 while maintaining low body fat. Use body fat percentage to set specific fitness goals.
A BMI of 34.3 at 4'11" places you in the Obese Class I category. BMI (Body Mass Index) is calculated by dividing weight in pounds by height in inches squared, then multiplying by 703. The healthy range is 18.5 to 24.9, which translates to 92 to 123 lbs for someone 4'11".
At 4'11", a weight of 170 lbs gives a BMI of 34.3, which is in the Obese Class I category. The healthy weight range for 4'11" is 92 to 123 lbs. This is above the healthy range. Keep in mind BMI does not account for muscle mass or body composition.
A healthy weight for someone 4'11" is between 92 and 123 lbs, based on a BMI of 18.5 to 24.9. This range reflects the weights most associated with reduced risk of chronic disease. Individual factors like muscle mass, frame size, and body fat distribution also matter.
To reach low end (92 lbs)
78 lbs to lose
To reach high end (123 lbs)
47 lbs to lose
BMI tells you where you are. FitCommit shows you what to do about it. AI body scanning estimates your body fat percentage and lean mass. Food camera scanning tracks your nutrition automatically. Free 7-day trial.
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