A healthy weight for a 5’11 male falls between roughly 136 and 179 pounds, based on standard BMI guidelines. The middle of that range, around 155 to 172 pounds, is where most men at this height will find their best balance of health and function. But the “right” number for you depends on your frame size, muscle mass, and age.
The Standard BMI Range
BMI (body mass index) is the most widely used tool for classifying weight. For a 5’11 male, the National Heart, Lung, and Blood Institute lists these weights within the healthy BMI range of 19 to 24:
- BMI 19: 136 lbs
- BMI 20: 143 lbs
- BMI 21: 150 lbs
- BMI 22: 157 lbs
- BMI 23: 165 lbs
- BMI 24: 172 lbs
Once you cross roughly 179 pounds at 5’11, you move into the “overweight” category (BMI 25 to 29.9). At about 215 pounds, you’d enter the “obese” classification (BMI 30+). These thresholds matter because mortality risk rises meaningfully at each stage. A large pooling study published in the New England Journal of Medicine found that people with a BMI of 30 to 35 had a 44 percent higher risk of death compared to those in the 22.5 to 24.9 range. At a BMI of 35 to 40, that risk nearly doubled. Results were broadly similar for men and women.
Where the Lowest Health Risk Actually Sits
The BMI “sweet spot” for longevity appears to be 22.5 to 24.9, which translates to about 157 to 172 pounds for a 5’11 male. That doesn’t mean 143 pounds is dangerous, but research consistently shows the lowest all-cause mortality clusters in the upper half of the healthy range rather than the lower half. For most men at this height, aiming for somewhere in the 155 to 175 pound zone is a reasonable target.
Ideal Body Weight Formulas
Clinicians sometimes use a simpler calculation called the Hamwi formula to estimate ideal body weight. For men, it starts with 106 pounds for the first 5 feet of height, then adds 6 pounds for each additional inch. At 5’11, that works out to 106 + 66 = 172 pounds. A 10 percent adjustment in either direction accounts for frame size, giving a range of about 155 to 189 pounds.
If you have a smaller frame (narrow wrists and shoulders), the lower end of that range is more realistic. If you have a naturally broad, large-boned build, the upper end may be appropriate even without carrying extra fat.
Why BMI Can Be Misleading
BMI does not distinguish between fat and muscle. A 5’11 man who weighs 190 pounds and lifts weights regularly could be classified as overweight by BMI while carrying a perfectly healthy amount of body fat. This is a well-known limitation. If you exercise consistently and carry noticeable muscle mass, your scale weight alone won’t tell you much about your health.
Two better measures to consider alongside BMI are body fat percentage and waist-to-height ratio.
Body Fat Percentage
For adult men, healthy body fat ranges shift with age. Men under 30 typically fall in the 9 to 15 percent range. Between 30 and 50, the average healthy range is 11 to 17 percent. Over 50, it shifts to 12 to 19 percent. Below about 5 percent is considered athletic-level leanness, and 3 percent is the minimum essential fat the body needs to function. A body fat percentage between 11 and 20 percent is considered acceptable for most men, with 11 to 14 percent rated as “good.”
You can get a rough estimate from calipers or a body composition scale, though a DEXA scan provides the most accurate reading.
Waist-to-Height Ratio
A simple rule from the NHS: your waist measurement should be less than half your height. At 5’11 (71 inches), that means keeping your waist under about 35.5 inches. This measure captures abdominal fat specifically, which is more closely tied to heart disease and metabolic problems than fat stored elsewhere on the body. All you need is a tape measure around your waist at navel height.
How Age Changes the Picture
Standard BMI categories apply to all adults 20 and older, but the practical reality shifts with age. Men naturally lose muscle and gain some fat as they move past 50, which means a 5’11 man who weighed 165 at age 30 may weigh 175 at 60 without any real change in health status. Some research suggests that slightly higher BMIs (in the 25 to 27 range) may actually be protective in older adults, reducing the risk of frailty and poor recovery from illness. Maintaining muscle through resistance exercise becomes more important than chasing a specific number on the scale.
Putting It All Together
If you’re a 5’11 male looking for a single target, 157 to 172 pounds sits at the intersection of the healthiest BMI range and the Hamwi formula’s estimate. But that number is a starting point, not a verdict. A man at 185 pounds with a 33-inch waist and 14 percent body fat is in excellent shape by every meaningful measure, even though his BMI says “overweight.” Meanwhile, a man at 160 pounds who carries most of his weight around his midsection and never exercises could face real metabolic risks despite a “normal” BMI.
The most useful approach is to check multiple markers: scale weight, waist circumference relative to your height, and if possible, a body fat estimate. When all three point in a healthy direction, the exact number on the scale matters far less than any single chart would suggest.