body {
font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
background-color: #f8f9fa;
color: #333;
line-height: 1.6;
margin: 0;
padding: 20px;
}
.loan-calc-container {
max-width: 700px;
margin: 30px auto;
background-color: #ffffff;
padding: 30px;
border-radius: 8px;
box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
}
h1, h2 {
color: #004a99;
text-align: center;
margin-bottom: 20px;
}
.input-group {
margin-bottom: 20px;
padding: 15px;
background-color: #eef3f7;
border-radius: 5px;
border-left: 5px solid #004a99;
}
.input-group label {
display: block;
margin-bottom: 8px;
font-weight: bold;
color: #004a99;
}
.input-group input[type="number"],
.input-group select {
width: calc(100% – 22px);
padding: 10px;
border: 1px solid #ccc;
border-radius: 4px;
box-sizing: border-box; /* Include padding and border in the element's total width and height */
margin-top: 5px;
}
.input-group select {
background-color: #fff;
}
button {
display: block;
width: 100%;
padding: 12px 20px;
background-color: #28a745;
color: white;
border: none;
border-radius: 5px;
font-size: 16px;
cursor: pointer;
transition: background-color 0.3s ease;
margin-top: 10px;
}
button:hover {
background-color: #218838;
}
#result {
margin-top: 30px;
padding: 20px;
background-color: #d4edda;
border: 1px solid #155724;
border-radius: 5px;
text-align: center;
}
#result h3 {
margin-top: 0;
color: #155724;
}
#result-value {
font-size: 2.5em;
font-weight: bold;
color: #155724;
}
.article-section {
margin-top: 40px;
padding: 25px;
background-color: #fefefe;
border: 1px solid #dee2e6;
border-radius: 8px;
box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
}
.article-section h2 {
color: #004a99;
text-align: left;
margin-bottom: 15px;
}
.article-section p, .article-section ul {
margin-bottom: 15px;
}
.article-section li {
margin-bottom: 8px;
}
.form-control {
width: 100%;
padding: 10px;
margin-bottom: 10px;
border: 1px solid #ccc;
border-radius: 4px;
box-sizing: border-box;
}
Understanding and Calculating Square Footage
Square footage is a fundamental unit of area used to measure the size of spaces, most commonly in real estate, construction, and interior design. It represents the total number of square feet a particular area occupies. Understanding how to calculate square footage is essential for budgeting projects, comparing property sizes, planning renovations, and even arranging furniture.
Why is Square Footage Important?
- Real Estate: It's a primary factor in determining property value and comparing listings.
- Renovations & Construction: Crucial for estimating material needs (like flooring, paint, or tiles) and labor costs.
- Interior Design: Helps in planning furniture layouts and ensuring adequate space.
- Utilities: Sometimes used for calculating heating/cooling needs or utility bills.
How to Calculate Square Footage
The method for calculating square footage depends on the shape of the area you are measuring. The most common shapes and their formulas are:
1. Rectangles and Squares
For a rectangular or square room, you need to measure its length and width. Ensure both measurements are in feet.
Formula: Square Footage = Length × Width
Example: If a room is 12 feet long and 10 feet wide, the square footage is 12 ft × 10 ft = 120 sq ft.
2. Triangles
For triangular areas (e.g., a room with a sloped ceiling or an attic space), you measure the base and the height. The height must be perpendicular to the base.
Formula: Square Footage = 0.5 × Base × Height
Example: If a triangular area has a base of 10 feet and a perpendicular height of 8 feet, the square footage is 0.5 × 10 ft × 8 ft = 40 sq ft.
3. Circles
For circular areas (e.g., a round room or a patio), you need to measure the radius (the distance from the center to the edge).
Formula: Square Footage = π × Radius² (where π is approximately 3.14159)
Example: If a circular room has a radius of 7 feet, the square footage is approximately 3.14159 × (7 ft)² = 3.14159 × 49 sq ft ≈ 153.94 sq ft.
4. Irregular Shapes (like L-Shapes)
For complex or irregular shapes, the best approach is to break them down into simpler, standard geometric shapes (like rectangles or triangles). Calculate the square footage for each smaller shape individually and then sum them up.
Example (L-Shape): An L-shaped room can be divided into two rectangles.
Measure Rectangle 1: Length = 15 ft, Width = 10 ft. Area 1 = 150 sq ft.
Measure Rectangle 2: Length = 8 ft, Width = 5 ft. Area 2 = 40 sq ft.
Total Square Footage = Area 1 + Area 2 = 150 sq ft + 40 sq ft = 190 sq ft.
Tips for Accurate Measurement:
- Use a reliable tape measure.
- Measure in feet for standard square footage calculations.
- Measure wall-to-wall for interior spaces.
- For complex rooms, sketch a diagram and note down all dimensions.
- Double-check your measurements.
function toggleInputs() {
var shape = document.getElementById("shape").value;
document.getElementById("rectangle-inputs").style.display = "none";
document.getElementById("triangle-inputs").style.display = "none";
document.getElementById("circle-inputs").style.display = "none";
document.getElementById("l-shape-inputs").style.display = "none";
if (shape === "rectangle") {
document.getElementById("rectangle-inputs").style.display = "block";
} else if (shape === "triangle") {
document.getElementById("triangle-inputs").style.display = "block";
} else if (shape === "circle") {
document.getElementById("circle-inputs").style.display = "block";
} else if (shape === "L-shape") {
document.getElementById("l-shape-inputs").style.display = "block";
}
calculateSquareFootage(); // Recalculate if shape changes
}
function calculateSquareFootage() {
var shape = document.getElementById("shape").value;
var squareFootage = 0;
var lengthInput = parseFloat(document.getElementById("length").value);
var widthInput = parseFloat(document.getElementById("width").value);
var baseInput = parseFloat(document.getElementById("base").value);
var heightTriangleInput = parseFloat(document.getElementById("height_triangle").value);
var radiusInput = parseFloat(document.getElementById("radius").value);
var rect1LengthInput = parseFloat(document.getElementById("rect1_length").value);
var rect1WidthInput = parseFloat(document.getElementById("rect1_width").value);
var rect2LengthInput = parseFloat(document.getElementById("rect2_length").value);
var rect2WidthInput = parseFloat(document.getElementById("rect2_width").value);
if (shape === "rectangle" || shape === "square") {
if (!isNaN(lengthInput) && !isNaN(widthInput) && lengthInput > 0 && widthInput > 0) {
squareFootage = lengthInput * widthInput;
}
} else if (shape === "triangle") {
if (!isNaN(baseInput) && !isNaN(heightTriangleInput) && baseInput > 0 && heightTriangleInput > 0) {
squareFootage = 0.5 * baseInput * heightTriangleInput;
}
} else if (shape === "circle") {
if (!isNaN(radiusInput) && radiusInput > 0) {
squareFootage = Math.PI * Math.pow(radiusInput, 2);
}
} else if (shape === "L-shape") {
var area1 = 0;
var area2 = 0;
if (!isNaN(rect1LengthInput) && !isNaN(rect1WidthInput) && rect1LengthInput > 0 && rect1WidthInput > 0) {
area1 = rect1LengthInput * rect1WidthInput;
}
if (!isNaN(rect2LengthInput) && !isNaN(rect2WidthInput) && rect2LengthInput > 0 && rect2WidthInput > 0) {
area2 = rect2LengthInput * rect2WidthInput;
}
squareFootage = area1 + area2;
}
if (isNaN(squareFootage) || squareFootage <= 0) {
squareFootage = 0;
}
document.getElementById("result-value").innerText = squareFootage.toFixed(2);
}
// Initialize the display and calculation on page load
window.onload = function() {
toggleInputs();
calculateSquareFootage();
};