BMI Calculator

Use this free BMI calculator to estimate your Body Mass Index based on your height and weight. No tracking, no signup — just instant results.

What is BMI?

Body Mass Index (BMI) is a number calculated from your height and weight. It provides a quick estimate of whether you are underweight, normal weight, overweight, or obese. It’s widely used in health assessments as an easy-to-understand indicator of overall body health.

Want to stay healthy and hydrated? Try our Hydration Calculator.

This calculator is for educational purposes only and should not be considered medical advice.