Bmi Calculator
Alright, I need to create a BMI calculator and an accompanying SEO article. Let me break down the requirements step by step.
First, the calculator must be a single HTML file with embedded CSS and JavaScript. It should be responsive, using a single-column layout. The primary color is #004a99, so I'll use that for buttons and highlights. The background will be #f8f9fa for a clean look.
For the calculator's functionality, I'll need input fields for weight and height. The user should be able to switch between kilograms/cm and pounds/inches. I'll use a select dropdown for this. The JavaScript will handle the conversion and calculation of BMI.
I must ensure real-time updates, so the results change as the user inputs data. I'll include a reset button to set default values and a copy button to copy the results. Error handling is crucial, so I'll check for empty or negative values and display appropriate messages.
Next, the results section should display BMI, weight category, and a recommendation. I'll use a table to show the BMI categories and a chart to visualize BMI trends. Since I can't use external libraries, I'll create the chart using SVG.
Moving on to the SEO article, it needs to be comprehensive, covering what BMI is, the formula, examples, how to use the calculator, key factors, FAQs, and related tools. I'll structure it with clear headings and short paragraphs for readability.
I'll ensure the primary keyword "BMI Calculator" is used sufficiently without stuffing. Internal links will be included in the related tools section, linking to other health-related calculators.
Finally, I'll make sure all elements are responsive, especially tables and charts, so they look good on mobile devices. The code will be clean, using var for variables and avoiding modern JavaScript features to ensure compatibility.
Putting it all together, I'll structure the HTML with a header, main content area for the calculator, and sections for the article. The CSS will style everything according to the specified colors and layout, and the JavaScript will handle all interactions and calculations.
BMI Calculator – Calculate Your Body Mass Index