BMI Calculator

Calculate your Body Mass Index (BMI) instantly with our free BMI Calculator. Enter your height and weight to find out if you're in a healthy weight range.

years
cm
ft
in
kg
lb
Your BMI
0.0
Category
-
Underweight
<18.5
Normal
18.5-24.9
Overweight
25-29.9
Obese
>30
Healthy Weight Range
-
Weight to Lose/Gain
-
BMI Prime
-
Ponderal Index
-

BMI Categories Chart

Underweight
< 18.5
Normal Weight
18.5 - 24.9
Overweight
25 - 29.9
Obese
≥ 30

How to Use

1

Select Unit System

Choose Metric (kg/cm) or Imperial (lb/ft).

2

Enter Details

Input your gender, age, height, and weight.

3

Calculate

Click "Calculate BMI" to get results.

4

Review Results

View your BMI and health insights.

FAQ

Is BMI accurate for everyone?

BMI is a screening tool but doesn't measure body fat directly. Athletes may have high BMI without excess fat.

What is a healthy BMI range?

For most adults, BMI between 18.5 and 24.9 is considered healthy.

How often should I check BMI?

Check every few months if managing your weight.

Medical Disclaimer

This calculator is for informational purposes only. Consult a healthcare provider for medical advice.