IBW Calculator
:root {
–primary-blue: #004a99;
–success-green: #28a745;
–light-background: #f8f9fa;
–border-color: #dee2e6;
–text-color: #343a40;
}
body {
font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
background-color: var(–light-background);
color: var(–text-color);
line-height: 1.6;
margin: 0;
padding: 20px;
}
.loan-calc-container {
max-width: 700px;
margin: 30px auto;
padding: 30px;
background-color: #ffffff;
border-radius: 8px;
box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
border: 1px solid var(–border-color);
}
h1 {
color: var(–primary-blue);
text-align: center;
margin-bottom: 30px;
font-size: 2.2em;
}
h2 {
color: var(–primary-blue);
margin-top: 35px;
margin-bottom: 15px;
border-bottom: 2px solid var(–primary-blue);
padding-bottom: 5px;
font-size: 1.6em;
}
.input-group {
margin-bottom: 20px;
padding: 15px;
border: 1px solid var(–border-color);
border-radius: 5px;
background-color: #fdfdfd;
display: flex;
flex-wrap: wrap;
align-items: center;
gap: 15px;
}
.input-group label {
flex: 0 0 150px;
font-weight: 500;
color: #555;
margin-right: 10px;
}
.input-group input[type="number"],
.input-group input[type="text"] {
flex: 1 1 200px;
padding: 10px 12px;
border: 1px solid var(–border-color);
border-radius: 4px;
font-size: 1em;
box-sizing: border-box;
}
.input-group input[type="number"]:focus,
.input-group input[type="text"]:focus {
outline: none;
border-color: var(–primary-blue);
box-shadow: 0 0 0 3px rgba(0, 74, 153, 0.2);
}
.input-group span.unit {
font-size: 0.95em;
color: #777;
margin-left: 5px;
}
.button-group {
text-align: center;
margin-top: 30px;
margin-bottom: 40px;
}
button {
background-color: var(–primary-blue);
color: white;
border: none;
padding: 12px 25px;
font-size: 1.1em;
border-radius: 5px;
cursor: pointer;
transition: background-color 0.3s ease, transform 0.2s ease;
font-weight: 500;
}
button:hover {
background-color: #003b7f;
transform: translateY(-2px);
}
button:active {
transform: translateY(0);
}
#result {
background-color: var(–success-green);
color: white;
padding: 20px;
text-align: center;
font-size: 1.8em;
font-weight: bold;
border-radius: 5px;
margin-top: 25px;
box-shadow: 0 2px 10px rgba(40, 167, 69, 0.3);
}
#result span {
font-size: 0.8em;
font-weight: normal;
display: block;
margin-top: 8px;
}
.article-section {
margin-top: 40px;
padding-top: 30px;
border-top: 1px solid var(–border-color);
}
.article-section h2 {
margin-top: 0;
}
.article-section p, .article-section ul {
margin-bottom: 15px;
}
.article-section li {
margin-bottom: 8px;
}
@media (max-width: 600px) {
.input-group {
flex-direction: column;
align-items: flex-start;
}
.input-group label {
flex-basis: auto;
margin-bottom: 5px;
}
.input-group input[type="number"],
.input-group input[type="text"] {
width: 100%;
flex-basis: auto;
}
h1 {
font-size: 1.8em;
}
#result {
font-size: 1.5em;
}
}
Ideal Body Weight (IBW) Calculator
Understanding Ideal Body Weight (IBW)
The Ideal Body Weight (IBW) is an estimate of a healthy weight for a given height and biological sex. It's often used as a reference point in clinical settings, particularly for medication dosing and assessing nutritional status. It's important to note that IBW is a generalized guideline and may not reflect the ideal weight for individuals with significantly different body compositions (e.g., high muscle mass, certain medical conditions).
How IBW is Calculated
Several formulas exist to estimate IBW. A commonly used set of formulas are the Devine formulas, which were developed in the 1970s. These formulas provide a simple baseline for estimating a healthy weight. The formulas vary slightly based on biological sex.
Formulas Used:
-
For Males: IBW = 50 kg + 2.3 kg for each inch over 5 feet.
-
For Females: IBW = 45.5 kg + 2.3 kg for each inch over 5 feet.
This calculator first converts the provided height in centimeters to feet and inches, and then applies the appropriate Devine formula.
Steps in the Calculation:
-
Input: User provides biological sex and height in centimeters.
-
Height Conversion: The height in centimeters is converted to feet and inches. (1 inch = 2.54 cm, 1 foot = 12 inches).
-
Determine Inches Over 5 Feet: The total number of inches over 5 feet (60 inches) is calculated.
-
Apply Formula:
- If Male: 50 kg + (inches over 5 feet * 2.3 kg)
- If Female: 45.5 kg + (inches over 5 feet * 2.3 kg)
-
Output: The calculated Ideal Body Weight in kilograms is displayed.
Important Considerations:
-
Approximation: IBW is an estimation. It doesn't account for individual differences in body frame, muscle mass, or fat distribution.
-
Context is Key: IBW should be interpreted within the context of overall health, body composition, and individual medical history. It's not a definitive measure of health.
-
Consult Professionals: For personalized health and weight management advice, always consult a qualified healthcare provider.
-
Alternative Measures: Other metrics like Body Mass Index (BMI) and body fat percentage provide different perspectives on weight and health.
function calculateIBW() {
var gender = document.getElementById("gender").value;
var heightCm = parseFloat(document.getElementById("heightCm").value);
var resultDiv = document.getElementById("result");
resultDiv.innerHTML = "; // Clear previous results
if (isNaN(heightCm) || heightCm 60) {
inchesOverFiveFeet = heightInchesTotal – 60;
}
var ibwKg;
// Apply Devine formulas
if (gender === "male") {
ibwKg = 50 + (inchesOverFiveFeet * 2.3);
} else { // female
ibwKg = 45.5 + (inchesOverFiveFeet * 2.3);
}
// Display the result, rounded to two decimal places
var formattedIBW = ibwKg.toFixed(2);
resultDiv.innerHTML = formattedIBW + ' kg
(Ideal Body Weight)';
}