BMI for 5'7" 80 lbs
Calculate your Body Mass Index for a height of 5'7" and weight of 80 lbs.
Your BMI
12.5
Severely Underweight
A person 5'7" tall weighing 80 lbs may need to gain 38 lbs to reach a healthy BMI of 18.5 or higher.
Healthy Range
118 – 158 lbs
for 5'7" (BMI 18.5–24.9)
Your Status
Severely Underweight
BMI 12.5
Should You Lose Weight?
Your weight is in the healthy range
Health Assessment for 5'7" 80 lbs
Severe underweight is associated with nutritional deficiencies, weakened immune system, osteoporosis, and fertility issues. Medical evaluation is strongly recommended.
To maintain your healthy weight, use our TDEE calculator to find your maintenance calories. Our macro calculator can help you balance your nutrition for optimal health.
Healthy BMI Weight Range for 5'7"
For a person who is 5'7" tall, the healthy BMI range of 18.5 to 24.9 corresponds to a weight range of 118 to 158 lbs. Your current weight of 80 lbs places you in the Severely Underweight category.
BMI for 80 lbs at Similar Heights
BMI for 5'7" 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 12.5 mean for someone 5'7" tall?
A BMI of 12.5 for a 5'7" individual classifies you as Severely Underweight. Severe underweight is associated with nutritional deficiencies, weakened immune system, osteoporosis, and fertility issues. Medical evaluation is strongly recommended.
Q: What is the ideal weight for someone 5'7" tall?
For a height of 5'7", the healthy weight range is 118 to 158 lbs (BMI 18.5 to 24.9). Use our BMI calculator to check any weight.
Q: How is BMI calculated for 5'7" 80 lbs?
BMI = (weight in lbs ÷ height in inches²) × 703. For 5'7" (67 inches) and 80 lbs: (80 ÷ 67²) × 703 = 12.5.