BMI Calculator
Body mass index with healthy weight range and spectrum visualization.
feet
inches
Your BMI
23.6
Normal
BMI Spectrum
UnderweightNormalOverweightObese
Healthy Weight Range
125 – 169 lbs
BMI 18.5–24.9 for your height
Get Your Personalized Health Summary
Macro targets and calorie needs based on your BMI.
Frequently Asked Questions
What is a healthy BMI?
A BMI of 18.5–24.9 is considered healthy. Below 18.5 is underweight, 25–29.9 is overweight, and 30+ is obese.
How is BMI calculated?
BMI = weight (kg) / height² (m²). In imperial: BMI = 703 × weight (lbs) / height² (inches²).
Does BMI account for muscle mass?
No. BMI does not distinguish between fat and muscle. Athletes and very muscular individuals may have a high BMI despite being healthy.