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BMI Chart for Men

Body mass index (BMI) is a measure of your body weight per unit of height (calculated by dividing your weight in kilograms by your height in meters squared). BMI is often used by doctors, personal trainers, and other healthcare professionals to determine if someone is over, under, or average weight. Although not as accurate or useful to know as your body fat percentage, body mass index gives you a general idea of whether or not you should lose weight.

Frequently Asked Questions

What is the ideal male BMI?

A healthy BMI for a man is generally between 18.5 and 24.9. That said, if a man is leaner and has more muscle mass than average, it’s possible to be perfectly healthy despite having a BMI over 24.9. It’s rare to find a man who is healthy with a BMI of less than ~17, though.

How do I calculate my BMI?

Calculating your body mass index (BMI) is simple—you just need to know your height and weight. The formula is BMI = kg/m2, where “kg” is the person’s weight in kilograms and “m2” is their height in meters squared. You can calculate your BMI using this formula, or you can use the Legion BMI Calculator for Men to arrive at the same answer (in less time).

Are BMI charts accurate for muscular men?

BMI calculators will often classify muscular, lean men as “overweight,” because BMI calculators only account for total body weight and not body composition. Thus, if you know you’re fairly lean (less than 15% body fat for men), don’t worry if you’re “overweight” according to a BMI calculator—research shows this isn’t unhealthy.

That said, if a BMI chart classifies someone as “obese,” there’s virutally no chance this is due to naturally high levels of muscle mass. Either the person is carrying more body fat than they realize or they’re taking steroids.

Are BMI charts accurate for “big-boned” men?

Yes.

Although some men do have thicker, denser bones than others (thanks to resistance training and genetics), the differences are too small to meaningfully impact your BMI.

What is my ideal weight?

There is no such thing as an “ideal” BMI for everyone. Instead, the ideal BMI for you depends on how much muscle you’re carrying (which will increase your BMI) and how lean you want to be (which will decrease your BMI).

In other words, BMI is a helpful tool for getting a general idea of whether or not you should lose or gain weight, but it’s not good for determining exactly what weight you should aim for. Instead, use the Legion Body Fat Percentage Calculator to determine how much you should weigh to reach a healthy body fat percentage.

Is BMI calculated differently for males and females?

No. The equation for calculating BMI for males and females is identical. That said, men will generally have a lower percentage of their body weight that’s fat, which is why it’s also a good idea to measure your body fat percentage.

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