What is a healthy BMI for adults?

A BMI between 18.5 and 24.9 is considered Normal/Healthy for adults according to CDC guidelines.

How is BMI calculated?

BMI is calculated as weight (kg) divided by height squared (m²), or (weight in lbs × 703) divided by height in inches squared.

Free BMI Calculator for Adults (2026)

At 5'9" and 140 lbs, your BMI is 20.7

This places you in the Normal category for adults

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BMI for 5'9" and 140 lbs

At 5'9" and 140 lbs, your BMI is 20.7

🎯 Get Your Free Personalized BMI Action Plan