BMI Calculator for Men: Easy English Unit Conversion & Health Assessment
The BMI calculator turns your pounds-and-inches data into metric units and divides weight (kg) by height² (m²) to reveal whether you are under-, normal-, over-weight or obese. About 74 % of U.S. men fall into the overweight or obese brackets (CDC, 2023).
BMI Calculator
Your BMI Result
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How to use the tool
Weight: Type your weight in pounds—e.g., 165 lbs or 240 lbs.
Height: Enter feet and inches separately—e.g., 5 ft 8 in or 6 ft 1 in.
Calculate: Click “Calculate BMI” to see your score and category.
Behind the numbers
The script converts English units to metric, then applies the standard equation:
165 lbs, 5 ft 8 in → 74.8 kg and 1.73 m → $$ rac{74.8}{1.73^2}=25.0 $$ (Overweight).
Example 2
240 lbs, 6 ft 1 in → 108.9 kg and 1.85 m → $$ rac{108.9}{1.85^2}=31.8 $$ (Obese).
Quick-Facts
BMI healthy range for adults: 18.5–24.9 kg/m² (WHO, 2022).
Overweight starts at ≥25 kg/m² (CDC BMI Basics https://www.cdc.gov).
Each 5-unit BMI rise raises coronary heart-disease risk by 29 % (Global BMI Mortality Study, 2016).
Waist circumference >40 in increases metabolic risk regardless of BMI (NIH Obesity Guidelines, 2013).
FAQ
What is BMI?
BMI is a height-adjusted weight index for adults that flags underweight, normal weight, overweight and obesity categories (WHO, 2022).
How accurate is BMI for muscular men?
It can overestimate fat because muscle weighs more than fat; athletes should add body-fat or waist-to-height checks (ACSM Position Stand https://www.acsm.org).
Does age change BMI cut-offs?
No—adult thresholds stay constant, but older adults should pair BMI with functional tests for a fuller picture (NIH, 2018).
Why convert to metric first?
The original formula was validated using kilograms and meters; conversion keeps calculations comparable worldwide (WHO Technical Report, 1995).
Recheck every 3–6 months or after ≥5 lb change to track trends promptly (CDC Weight Management https://www.cdc.gov).
Can you be obese with a normal BMI?
Yes—visceral-fat accumulation can hide within a normal BMI; waist-to-height ratio <0.5 is safer (Ashwell & Gibson, 2016).
What do experts say?
“BMI is a practical, low-cost indicator for population fatness” (WHO Expert Committee, 2022).
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