BMI Calculator

From ToolzPedia, the free tools encyclopedia
This is one of several utilities. For the full list of utilities, see All tools.

BMI Calculator is a free online utilities hosted on ToolzPedia. Calculate your Body Mass Index (BMI) in metric or imperial units with category classification and healthy weight range. The tool runs entirely in the browser and requires no account or installation.

Use the tool edit

How to use BMI Calculator edit

Follow these steps to use the tool:

  1. Choose units

    Select metric (kg/cm) or imperial (lbs/ft/in) units.

  2. Enter measurements

    Input your weight and height. Age and sex are optional.

  3. View your BMI

    See your BMI value, category, and healthy weight range with a visual gauge.

Frequently asked questions edit

The World Health Organization defines 18.5–24.9 as the healthy BMI range for adults. Below 18.5 is underweight; 25–29.9 is pre-obese; 30+ is obese.
BMI can overestimate fatness in athletes and bodybuilders because muscle weighs more than fat. For very muscular individuals, body fat percentage or waist-to-height ratio are more accurate.
Yes. For children and teens (ages 2–19), BMI is plotted on growth charts and assessed by age and sex percentile, not fixed cut-offs. Consult a paediatrician for children.
No. The entire calculation happens in your browser. No data is transmitted or stored.

Other free utilities available on ToolzPedia:

🔐

Password Generator

Generate cryptographically-secure random passwords, passphrases or PINs. Bulk download as .txt.

New Use tool →
🔳

QR Code Generator

Create QR codes for URLs, Wi-Fi, vCards, email, SMS and more. Download as PNG or SVG.

New Use tool →
📝

Word Counter

Count words, characters, sentences, paragraphs and reading time. Real-time text analysis with keyword density.

New Use tool →
🔤

Case Converter

Convert text between UPPER CASE, lower case, Title Case, Sentence case, camelCase, snake_case and more.

New Use tool →
💯

Percentage Calculator

Calculate percentages, percentage change, what percent of a number, and reverse percentage problems instantly.

New Use tool →

See also edit