What Is a Healthy BMI? Complete Guide

BMI (Body Mass Index) is a simple number that helps categorize weight status. But what exactly is a healthy BMI?

BMI Categories

BMICategoryHealth Risk
Below 18.5UnderweightHigher risk
18.5 - 24.9Normal weightLower risk
25 - 29.9OverweightModerate risk
30 - 34.9Obesity (Class 1)Higher risk
35 - 39.9Obesity (Class 2)Very high risk
40+Obesity (Class 3)Highest risk

How to Calculate Your BMI

Formula: BMI = (weight in pounds ÷ height in inches²) × 703

Example: 170 pounds, 70 inches = 24.5 (Normal weight)

Limitations of BMI

BMI doesn't distinguish between muscle and fat. Athletes may have high BMI but be healthy. Focus on overall health, not just a number.

Calculate Your BMI

Use our free BMI calculator to get your number instantly.

⚖️ BMI Calculator

Bottom Line

A healthy BMI is between 18.5 and 24.9.