For a 5’6″ male, the healthy weight range is 118 to 154 pounds, based on a BMI between 18.5 and 24.9. The midpoint of that range falls around 136 pounds. However, the actual average weight of American men across all heights sits closer to 200 pounds, which means most men in the U.S. weigh well above what’s considered a healthy benchmark for this height.
Healthy Weight Range for a 5’6″ Male
The National Heart, Lung, and Blood Institute defines a “moderate” or healthy weight for a 5’6″ male as 118 to 148 pounds. That range corresponds to a BMI of 18.5 to 24.9, which the CDC classifies as the normal weight category for adults 20 and older.
At 5’6″ (66 inches), here’s how the standard BMI categories translate into actual pounds on the scale:
- Underweight (BMI below 18.5): under 115 pounds
- Normal weight (BMI 18.5 to 24.9): 115 to 154 pounds
- Overweight (BMI 25 to 29.9): 155 to 185 pounds
- Obese (BMI 30 or higher): 186 pounds and above
These cutoffs are identical for men and women at the same height, even though men typically carry more muscle. That’s one of BMI’s well-known blind spots, which we’ll get to below.
How American Men Actually Weigh
National survey data paints a very different picture from the “healthy” range. The average weight for American men shifts with age:
- Ages 20 to 29: 188.6 lbs
- Ages 30 to 39: 208.1 lbs
- Ages 40 to 49: 206.9 lbs
- Ages 50 to 59: 202.5 lbs
- Ages 60 to 69: 201.2 lbs
- Ages 70 to 79: 193.4 lbs
- Ages 80 and older: 177.5 lbs
These numbers cover men of all heights, not just 5’6″. Still, the average American male height is about 5’9″, so even adjusting downward a few inches, the typical 5’6″ man in the U.S. likely weighs considerably more than the 118 to 154 pound “healthy” window. Weight tends to peak between ages 30 and 49, then gradually declines as men lose both muscle and fat in later decades.
Why BMI Doesn’t Tell the Full Story
BMI is a ratio of weight to height. It doesn’t distinguish between muscle and fat, and that matters. A 5’6″ man who weighs 170 pounds and lifts weights regularly could have a BMI of 27.4, placing him squarely in the “overweight” category, even if his body fat percentage is perfectly healthy. As one Cleveland Clinic exercise physiologist put it, “For athletes, body mass index is useless, especially for males. Higher density muscle weighs more than fat, so their BMI range will show overweight or obesity.”
Body fat percentage gives a more accurate picture. A 2025 study using national survey data defined overweight for men as a body fat percentage of 25% or higher and obesity as 30% or higher. There’s no universally agreed-upon “ideal” body fat range, but most guidelines consider 10% to 20% healthy for adult men, with the number naturally creeping upward with age.
Waist Size as a Better Risk Indicator
If you’re 5’6″ and wondering whether your weight is a health concern, your waist circumference is a useful second measurement. Belly fat, the kind that wraps around your internal organs, is more strongly linked to heart disease, type 2 diabetes, and metabolic problems than overall weight alone.
The general threshold for elevated risk in men is a waist circumference of 40 inches or more. But Harvard Health recommends a stricter, height-adjusted guideline: your waist should be no more than half your height. For a 5’6″ male, that means aiming for a waist of 33 inches or less. A man at 145 pounds and a man at 165 pounds could both be 5’6″, but if the heavier man carries his weight in his arms and legs rather than his midsection, his metabolic risk profile could actually be lower.
Finding Your Personal Target
A good starting point for a 5’6″ male is to aim for somewhere in the 130 to 155 pound range, depending on your build and activity level. If you’re naturally broad-shouldered or carry significant muscle mass, the upper end of that range (or even slightly above it) can be perfectly healthy. If you have a lighter frame and aren’t particularly active, the lower end is more realistic.
Three numbers together give you a much clearer picture than any single one: your weight, your waist circumference, and your body fat percentage. A basic skinfold caliper test or a bioelectrical impedance scale can estimate body fat at home, though neither is perfectly precise. The combination of a waist under 33 inches, a body fat percentage under 25%, and a weight that keeps your BMI under 25 puts you in a solid position for a 5’6″ frame. If you hit two out of three, you’re likely doing fine. If all three are elevated, that’s a stronger signal to pay attention to.