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At 5'5" and 170 lbs, your BMI is 28.3, placing you in the Overweight category. A BMI of 28.3 falls in the overweight range (25 to 29.9). Modest reductions in weight through diet and exercise can meaningfully improve health outcomes.
28.3
BMI
Overweight
Category
111-150
Healthy range (lbs)
-20 lbs
To healthy high
BMI 28.3: Overweight
| BMI | Category | Weight (lbs) | Your Status |
|---|---|---|---|
| Below 18.5 | Underweight | Below 111 lbs | - |
| 18.5 to 24.9 | Normal | 111 to 150 lbs | Goal range |
| 25.0 to 29.9 | Overweight | 151 to 180 lbs | You are here |
| 30.0+ | Obese | Above 180 lbs | - |
Your BMI of 28.3 puts you in the Overweight category for someone 5'5".
To reach the upper boundary of the healthy range (150 lbs), you would need to lose approximately 20 lbs. A sustainable rate is 0.5 to 1 lb per week, which means roughly 27 weeks at a moderate calorie deficit.
Keep in mind that BMI does not account for muscle mass. Two people at 5'5" and 170 lbs can have very different body compositions. Body fat percentage is a more precise indicator of health risk.
A BMI of 28.3 falls in the Overweight range. A BMI of 28.3 falls in the overweight range (25 to 29.9). Modest reductions in weight through diet and exercise can meaningfully improve health outcomes. BMI is a population-level screening tool, not a diagnostic measure. Factors like waist circumference, body fat percentage, blood pressure, and cholesterol provide a more complete picture of metabolic health.
You would need to lose approximately 20 lbs to reach the high end of the healthy range. The healthy BMI range (18.5 to 24.9) corresponds to 111 to 150 lbs for someone 5'5". A sustainable rate of weight loss is 0.5 to 1 lb per week through a calorie deficit of 250 to 500 calories per day.
BMI is a useful screening tool but has real limitations. It does not distinguish between muscle and fat, so muscular athletes often show elevated BMI despite low body fat. It also does not account for where fat is stored. Waist-to-height ratio and body fat percentage are more precise measures. Use BMI as a starting point, not a definitive health verdict.
For someone 5'5", the healthy weight range based on BMI is 111 to 150 lbs. At 111 lbs, BMI is 18.5 (lower boundary of healthy). At 150 lbs, BMI is 24.9 (upper boundary of healthy). Below 111 lbs is underweight; above 150 lbs is overweight.
To reach low end (111 lbs)
59 lbs to lose
To reach high end (150 lbs)
20 lbs to lose
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