BMI Calculator

Calculate your Body Mass Index (BMI) from height and weight

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About This BMI Calculator

Our BMI Calculator is a free online calculator designed to give you fast, accurate results without installing any software. Whether you need a quick answer for school, work, or everyday life, this tool runs entirely in your browser and works on desktop, tablet, and mobile devices.

Use the BMI Calculator above to enter your values and get instant results. Free Online Tools offers a growing collection of calculator tools including BMI, age, date, percentage, and scientific calculators — all free and easy to use.

Online calculators save time and reduce errors compared to manual math. Bookmark this page and return whenever you need a reliable BMI Calculator for homework, fitness tracking, finance, or general problem solving.