Create Your Own BMI Calculator with Python - A Fun Tkinter Activity!

Jay Villa
2 min readSep 15, 2023

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Are you curious about how healthy you are?

With this tutorial, we will show you how to create a Body Mass Index (BMI) calculator using Tkinter, a Python module used to create a graphical user interface. With this BMI calculator, you can find out if you have a healthy weight for your height!

Body Mass Index (BMI) calculator using the graphical user interface (GUI) library Tkinter

This is a Python program that creates a Body Mass Index (BMI) calculator using the graphical user interface (GUI) library Tkinter. BMI is a measure of body fat based on a person's height and weight. The program consists of a main window divided into two sections: the left side with labels, input fields, and a calculate button, and the right side with a result display area.
The program defines a class called BMI that initializes the GUI window and its components. It also creates different frames (subsections of the window) to organize the layout of the interface. The left frame contains the input fields for height and weight, a calculate button, and a reset button. The right frame displays the calculated BMI and a status message.
The program uses various functions to perform tasks such as resetting the input fields, calculating the BMI, and exiting the application. It also uses different types of variables to store the user's input and the calculated result.
The labels, buttons, and frames are customized with different colors, fonts, and dimensions. The program also displays a message at the bottom of the window explaining how healthcare providers and researchers can use a BMI app to track and collect data on their patients' health.

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