:root {
–primary-blue: #004a99;
–success-green: #28a745;
–light-background: #f8f9fa;
–dark-text: #333;
–border-color: #ccc;
}
body {
font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
background-color: var(–light-background);
color: var(–dark-text);
margin: 0;
padding: 20px;
display: flex;
justify-content: center;
align-items: flex-start; /* Align to top */
min-height: 100vh;
}
.loan-calc-container {
background-color: #fff;
padding: 30px;
border-radius: 8px;
box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
max-width: 700px;
width: 100%;
text-align: center;
}
h1, h2 {
color: var(–primary-blue);
margin-bottom: 20px;
}
.input-group {
margin-bottom: 20px;
text-align: left;
border: 1px solid var(–border-color);
padding: 15px;
border-radius: 5px;
background-color: var(–light-background);
}
.input-group label {
display: block;
margin-bottom: 8px;
font-weight: bold;
color: var(–dark-text);
}
.input-group input[type="number"],
.input-group input[type="text"] {
width: calc(100% – 22px); /* Adjust for padding and border */
padding: 10px;
border: 1px solid var(–border-color);
border-radius: 4px;
font-size: 1rem;
box-sizing: border-box; /* Include padding and border in the element's total width and height */
}
button {
background-color: var(–primary-blue);
color: white;
padding: 12px 25px;
border: none;
border-radius: 5px;
font-size: 1.1rem;
cursor: pointer;
transition: background-color 0.3s ease;
margin-top: 10px;
}
button:hover {
background-color: #003366;
}
#result {
margin-top: 30px;
padding: 20px;
background-color: var(–success-green);
color: white;
border-radius: 5px;
font-size: 1.5rem;
font-weight: bold;
min-height: 50px; /* Ensure it has some height even when empty */
display: flex;
justify-content: center;
align-items: center;
box-shadow: inset 0 2px 5px rgba(0, 0, 0, 0.1);
}
#bmiCategory {
margin-top: 15px;
font-size: 1.2rem;
color: var(–dark-text);
}
.article-section {
margin-top: 40px;
text-align: left;
line-height: 1.6;
color: #555;
}
.article-section h2 {
text-align: center;
color: var(–primary-blue);
margin-bottom: 25px;
}
.article-section h3 {
color: var(–primary-blue);
margin-top: 20px;
margin-bottom: 10px;
}
.article-section p {
margin-bottom: 15px;
}
.article-section ul {
padding-left: 20px;
margin-bottom: 15px;
}
.article-section li {
margin-bottom: 8px;
}
/* Responsive adjustments */
@media (max-width: 600px) {
.loan-calc-container {
padding: 20px;
}
button {
width: 100%;
padding: 15px;
}
#result {
font-size: 1.2rem;
}
}
Understanding Your BMI and Weight Loss Journey
Body Mass Index (BMI) is a widely used metric to assess an individual's body weight in relation to their height. It provides a general indication of whether a person is underweight, has a healthy weight, is overweight, or obese. For those looking to lose weight, understanding your BMI is a crucial first step in setting appropriate health goals and monitoring progress.
How BMI is Calculated
The formula for BMI is straightforward:
BMI = Weight (kg) / (Height (m))^2
Where:
- Weight is measured in kilograms (kg).
- Height is measured in meters (m).
In this calculator, we ask for height in centimeters (cm) for convenience. The calculator automatically converts centimeters to meters (by dividing by 100) before performing the BMI calculation.
Example: If you weigh 75 kg and are 175 cm tall:
Height in meters = 175 cm / 100 = 1.75 m
BMI = 75 kg / (1.75 m * 1.75 m) = 75 / 3.0625 ≈ 24.49
BMI Weight Categories
The World Health Organization (WHO) and other health organizations typically use the following categories:
- Underweight: BMI less than 18.5
- Healthy Weight: BMI between 18.5 and 24.9
- Overweight: BMI between 25.0 and 29.9
- Obese: BMI 30.0 or greater
These categories are a general guide. It's important to remember that BMI does not account for factors like muscle mass, bone density, or body fat distribution, which can affect health outcomes.
Using BMI for Weight Loss Goals
For individuals who are overweight or obese according to their BMI, weight loss is often recommended to reduce the risk of associated health conditions such as:
- Heart disease
- Type 2 diabetes
- High blood pressure
- Certain types of cancer
- Sleep apnea
The goal for weight loss is typically to move from an 'Overweight' or 'Obese' category into the 'Healthy Weight' range. For example, someone with a BMI of 32 might aim to reduce their weight to achieve a BMI below 25. This often involves a combination of:
- Dietary Changes: Reducing calorie intake, focusing on nutrient-dense foods, and controlling portion sizes.
- Increased Physical Activity: Engaging in regular aerobic exercise and strength training to burn calories and build muscle.
- Behavioral Modifications: Developing sustainable healthy habits.
A target weight loss of 5-10% of your current body weight can yield significant health benefits. For instance, if your current weight is 90 kg and your BMI is in the overweight category, a 5% weight loss would be 4.5 kg, bringing your new weight to 85.5 kg. This adjustment could potentially lower your BMI into a healthier range.
Disclaimer: This BMI calculator is for informational purposes only and should not be considered medical advice. Always consult with a healthcare professional or a registered dietitian before making any significant changes to your diet or exercise routine, especially if you have underlying health conditions.
function calculateBMI() {
var weightInput = document.getElementById("weight");
var heightInput = document.getElementById("height");
var resultDiv = document.getElementById("result");
var bmiCategoryDiv = document.getElementById("bmiCategory");
var weight = parseFloat(weightInput.value);
var heightCm = parseFloat(heightInput.value);
// Clear previous results
resultDiv.innerHTML = "";
bmiCategoryDiv.innerHTML = "";
// Input validation
if (isNaN(weight) || isNaN(heightCm) || weight <= 0 || heightCm <= 0) {
resultDiv.innerHTML = "Please enter valid positive numbers for weight and height.";
resultDiv.style.backgroundColor = "#ffc107"; // Warning color
resultDiv.style.color = "#333";
return;
}
// Convert height from cm to meters
var heightM = heightCm / 100;
// Calculate BMI
var bmi = weight / (heightM * heightM);
// Display BMI result, rounded to two decimal places
resultDiv.innerHTML = "Your BMI: " + bmi.toFixed(2);
resultDiv.style.backgroundColor = "var(–success-green)"; // Default success color
resultDiv.style.color = "white";
// Determine BMI category
var category = "";
if (bmi = 18.5 && bmi = 25.0 && bmi = 30.0
category = "Obese";
bmiCategoryDiv.style.color = "#dc3545"; // Danger color for obese
}
bmiCategoryDiv.innerHTML = "Category: " + category;
}