Healthy Weight Calculator: Range for Your Height
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A healthy weight for your height is the range where BMI is 18.5 to 24.9. At 5 feet 8 inches that is about 122 to 164 pounds.
At 68 inches tall, a healthy weight by BMI (18.5 to 24.9) is 122 to 164 lb. The four ideal body weight formulas average 150 lb.
Weight at each BMI
| BMI | Category | Weight |
|---|---|---|
| 18.5 | Underweight below | 122 lb |
| 22.0 | Middle of healthy range | 145 lb |
| 24.9 | Healthy upper limit | 164 lb |
| 27.5 | Overweight | 181 lb |
| 30.0 | Obesity starts | 197 lb |
| 35.0 | Obesity class 2 | 230 lb |
Show the steps
- Height: 172.7 cm = 1.727 m.
- Weight at BMI 18.5 = 18.5 × 2.983 = 55.2 kg. At BMI 24.9 = 74.3 kg.
- Devine: 50 + 2.3 × 8.0 inches over 5 feet = 68.4 kg.
Healthy weight
Weight = BMI × height² (height in meters)
Healthy BMI range: 18.5 to 24.9
Devine (men) = 50 + 2.3 × inches over 60; (women) = 45.5 + 2.3 × inches over 60
- BMI does not distinguish muscle from fat and is less accurate for athletes, older adults and some ethnic groups.
- This is general information, not medical advice.
Estimates for planning and learning, not financial, tax, legal or medical advice. Check figures with your lender, tax preparer or doctor before you act.
About this calculator
The most common way to define a healthy weight is the body mass index (BMI) range of 18.5 to 24.9. This calculator turns that range into pounds or kilograms for your height.
It also shows four classic ideal body weight formulas used by doctors and researchers. They give a single target, but they are older and less reliable than the BMI range.
How to use it
- Choose your units and sex.
- Enter your height.
- Optionally enter your current weight to see your BMI and how far you are from the range.
Beyond BMI
BMI is a screening tool. It ignores muscle, bone and where fat is stored. Waist size, waist-to-hip ratio and body fat percentage give more detail, and a doctor can help you set a goal that suits your age and health.
BMI categories
- Underweight: below 18.5.
- Healthy: 18.5 to 24.9.
- Overweight: 25 to 29.9.
- Obesity: 30 or higher.
Sources
Quick check: test yourself
What BMI range is considered healthy?
Correct answer: 18.5 to 24.9. The standard healthy range is 18.5 to 24.9.
How is BMI calculated?
Correct answer: Weight in kilograms divided by height in meters squared. BMI = kg ÷ m².
Which can make BMI less accurate?
Correct answer: High muscle mass. Muscle weighs more than fat, so athletes can have a high BMI without excess fat.
Pick an answer for each question.
Common questions
What is a healthy weight for my height?
A weight that gives a BMI of 18.5 to 24.9. Enter your height to see the range.
How do I calculate my ideal weight?
Formulas such as Devine add a set amount for each inch over 5 feet. The BMI range is more widely used.
Is BMI accurate?
It is a screening tool. It can overstate fat in muscular people and understate it in older adults.
Does the range differ for men and women?
The BMI range is the same. The ideal weight formulas use different numbers by sex.
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