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Body Mass Index (BMI) Calculator

Joomla BMI Calculator

Take control of Joomla website users' health journey with this calculator for BMI estimates. Make it possible to calculate body mass index to assess weight status and track progress toward fitness goals. It's time to maintain a healthy weight to live a healthier and happier life.

This template is created only for informational purposes and licensed healthcare providers. It shouldn't be taken as medical advice, diagnosis, medication dosages, or treatment. Always seek professional help from a physician or other medical worker to examine your condition.
Rated 4.8 out of 5 from over 800 reviews on G2.com
No credit card required
Easy installation
100% Joomla compatible
Free plan available
Features
  • Multiple Calculation Fields
  • Calculation Formulas Support
  • Conditional Logic
  • Multiple Measurement Formats
  • Personalized Header
  • Custom Results Section
  • Interactive Elements
  • Advanced Design Customization
  • Custom CSS Editor
  • Custom JavaScript Editor
  • Free-Coding Editor
  • Optimized for All Mobile Devices
  • Page-Speed Friendly Lazy Loading
  • Fast Website Integration
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No Suitable Template?
You can easily assemble the widget you need using our simple-to-use configurator.

Here’s what people say about Elfsight Calculator widget

FAQ

Which formula can the calculator use to determine BMI?

The Body Mass Index (BMI) is calculated using the following expressions:

  • Metric system: BMI = Weight (kg) / Height² (m²)
  • Imperial system: BMI = 703 * (Weight (lbs) / Height² (in²))

These equations help estimate body composition by correlating mass and height.

How do I embed the BMI calculator on a Joomla website?

Here’s a quick way to add your calculator to the Joomla website:

  1. Customize the design and logic in the widget editor.
  2. Create or log in to your Elfsight profile.
  3. Copy the auto-generated installation code.
  4. Access your Joomla admin panel.
  5. Paste the code into your desired page or module. You’re done!

Is this widget compatible with other platforms besides Joomla?

Yes, the widget is compatible with nearly all modern website builders. Here are some of the most popular platforms it supports:

Squarespace, Wix, HTML, Webflow, WordPress, Shopify, Elementor, Google Sites, GoDaddy, iFrame

What BMI formula options are available in the calculator?

The widget supports a wide range of formulas. You can construct basic or advanced logic using operators, functions, constants, and conditions. A detailed formula guide is available to help you configure your setup.

Is coding required to set this calculator up on the Joomla website?

No. The interface is designed for ease of use, and no technical skills are necessary. You can configure and embed the calculator for BMI without touching code—just copy and paste the provided snippet into your Joomla editor.

Is there a free version of this calculator?

Yes! The widget includes a Free plan with full access to customization and installation options. For advanced features, there are flexible paid plans ranging from Basic to Enterprise, so you can scale according to your needs.

Where on my Joomla website should I place the calculator?

Effective placement boosts usability and engagement. Here are a few ideal areas to consider:

  • Homepage
  • Product pages
  • Blog posts
  • Contact or support pages
  • Dedicated health or tools section

How can I customize the widget?

There are multiple ways to make the calculator fit your brand and audience:

  • Custom formulas
    Use field color coding (purple for inputs, green for calculations, and white for operations) to create a logic that reflects your goals.
  • Field types
    Choose from sliders, numbers, dropdowns, image choices, or even text headers for clarity and interactivity.
  • Result block
    Design your results section with a call-to-action and a customized button to guide user flow.
  • Styling and advanced options
    Apply unique fonts, color themes, animation effects, and even use CSS/JS editors for deeper customization.

Need help along the way? Our Customer Support Team is ready to assist you at every step.

Help with Joomla BMI Calculator Setup and Website Installation

Count on us to assist you in overcoming any hindrance in your widget template adventure by offering a plethora of available sources, assistance from our Support specialist, and conversations with colleagues of the Elfsight community. Check it out: