Help visitors calculate their BMI in seconds
The BMI Calculator template makes it easy for visitors to estimate their Body Mass Index using their height and weight. Users can choose between metric measurements, using kilograms and centimetres, or imperial measurements, using pounds, feet, and inches.
The calculator automatically applies the correct BMI formula and displays the result together with the relevant weight category, such as underweight, healthy weight, overweight, or obesity.
Customize the fields, calculation formulas, result messages, styling, and layout to match your website. You can embed the calculator on any page or publish it as a standalone landing page without writing code.
How it works
Start with this template and customize it to suit your website, audience, or brand.
- Choose the available measurement systems
Allow visitors to calculate their BMI using metric measurements, imperial measurements, or both. Conditional logic can display only the fields required for the selected system. - Collect height and weight
Visitors enter their height and weight using simple number fields. You can adjust the labels, units, default values, and accepted ranges. - Calculate BMI automatically
The calculator uses the appropriate formula based on the selected measurement system and rounds the result for easier reading. - Display a clear result
Show the calculated BMI together with its corresponding category and a short explanation of what the result means. - Customize and publish
Change the design, typography, colors, result messages, and layout, then embed the calculator on your website or share it through its own landing page.
You can also turn the calculator into a lead-generation form by asking visitors to submit their contact details before viewing the result. The BMI result can then be displayed in the confirmation message or included in a personalized email notification.
Frequently asked questions
No. You can change the fields, formulas, result messages, colors, fonts, and layout using our visual builder without writing a single line of code.
Yes. Visitors can choose between kilograms and centimetres or pounds, feet, and inches. Conditional logic can display the correct fields for each option.
Yes. You can customize the score ranges, category names, explanations, and any additional guidance displayed for each result.
Yes. You can also show the visitor’s BMI category, a short explanation, and an estimated healthy weight range based on their height.
The standard BMI formula and adult weight categories are intended for adults. BMI for children and teenagers is assessed differently and usually considers age and sex percentiles.
Yes. You can embed it on WordPress, Shopify, Wix, Squarespace, or another website, or publish it as a standalone landing page.
Yes. You can customize the colors, fonts, spacing, buttons, field styles, and result layout so the calculator matches your brand.
















