Room Square Footage Calculator
:root {
–primary-blue: #004a99;
–success-green: #28a745;
–light-background: #f8f9fa;
–border-color: #dee2e6;
–text-color: #343a40;
–label-color: #495057;
}
body {
font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
line-height: 1.6;
color: var(–text-color);
background-color: var(–light-background);
margin: 0;
padding: 20px;
display: flex;
justify-content: center;
align-items: flex-start;
min-height: 100vh;
}
.loan-calc-container {
background-color: #ffffff;
padding: 30px;
border-radius: 8px;
box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
width: 100%;
max-width: 700px;
border: 1px solid var(–border-color);
margin-bottom: 30px;
}
h1, h2 {
color: var(–primary-blue);
text-align: center;
margin-bottom: 20px;
font-weight: 600;
}
.input-group {
margin-bottom: 20px;
display: flex;
flex-direction: column;
align-items: flex-start;
}
.input-group label {
display: block;
margin-bottom: 8px;
font-weight: 500;
color: var(–label-color);
font-size: 1.05em;
}
.input-group input[type="number"] {
width: calc(100% – 20px);
padding: 12px 10px;
border: 1px solid var(–border-color);
border-radius: 4px;
font-size: 1em;
box-sizing: border-box;
transition: border-color 0.2s ease-in-out;
}
.input-group input[type="number"]:focus {
border-color: var(–primary-blue);
outline: none;
}
button {
background-color: var(–primary-blue);
color: white;
padding: 12px 20px;
border: none;
border-radius: 4px;
font-size: 1.1em;
cursor: pointer;
width: 100%;
transition: background-color 0.2s ease-in-out;
margin-top: 10px;
}
button:hover {
background-color: #003366;
}
#result {
margin-top: 30px;
padding: 20px;
background-color: var(–success-green);
color: white;
text-align: center;
border-radius: 4px;
font-size: 1.5em;
font-weight: bold;
border: 2px solid #1e7e34;
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#result span {
font-size: 1.2em;
display: block;
margin-top: 5px;
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.article-section {
margin-top: 40px;
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);
}
.article-section h2 {
text-align: left;
margin-bottom: 15px;
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.article-section p, .article-section ul {
margin-bottom: 15px;
color: var(–text-color);
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.article-section ul {
padding-left: 25px;
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.article-section li {
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padding: 3px 6px;
border-radius: 3px;
font-family: Consolas, Monaco, 'Andale Mono', 'Ubuntu Mono', monospace;
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@media (max-width: 600px) {
.loan-calc-container {
padding: 20px;
}
h1 {
font-size: 1.8em;
}
button, #result {
font-size: 1em;
}
}
Room Square Footage Calculator
Understanding and Calculating Room Square Footage
Square footage is a fundamental unit of area measurement commonly used in real estate, construction, interior design, and home improvement. It represents the total number of square feet a space occupies. Calculating the square footage of a room is essential for various purposes, such as determining how much paint you'll need for walls, how much flooring material to purchase, or understanding the size of a property.
Why Calculate Square Footage?
- Flooring & Carpeting: Essential for estimating the amount of material needed, preventing under or over-purchasing.
- Painting: Helps calculate the quantity of paint, primer, and wallpaper.
- Furniture Placement: Aids in planning room layouts and ensuring furniture fits comfortably.
- Real Estate: Used to define the size of living spaces and compare properties.
- HVAC Sizing: Important for selecting the correct size of heating and cooling systems.
- Insurance: Some insurance policies may use square footage for valuation.
The Math Behind Square Footage
For a standard rectangular or square room, the calculation is straightforward multiplication:
Area = Length × Width
If your room is not a perfect rectangle (e.g., L-shaped), you can break it down into smaller rectangular sections, calculate the square footage of each section individually, and then sum them up to get the total area. For rooms with irregular shapes or alcoves, you might need to combine calculations for rectangles, squares, and triangles (using Area = 0.5 × base × height for triangles).
How to Use This Calculator
This calculator is designed for simple rectangular or square rooms.
- Measure the Length of your room in feet.
- Measure the Width of your room in feet.
- Enter these measurements into the fields above.
- Click "Calculate Square Footage".
The calculator will then provide the total square footage of your room, displayed in square feet (sq ft).
Example Calculation:
Imagine you have a bedroom that measures 12 feet long and 10 feet wide.
Using the formula: Area = 12 ft × 10 ft = 120 sq ft.
This calculator would perform the same operation: entering 12 for length and 10 for width would result in an output of 120 square feet.
function calculateSquareFootage() {
var lengthInput = document.getElementById("roomLength");
var widthInput = document.getElementById("roomWidth");
var resultDiv = document.getElementById("result");
var length = parseFloat(lengthInput.value);
var width = parseFloat(widthInput.value);
if (isNaN(length) || isNaN(width) || length <= 0 || width <= 0) {
resultDiv.innerHTML = "Please enter valid positive numbers for length and width.";
resultDiv.style.backgroundColor = "#dc3545"; // Red for error
resultDiv.style.borderColor = "#b02a37";
return;
}
var squareFootage = length * width;
resultDiv.innerHTML = squareFootage.toFixed(2) + " sq ft";
resultDiv.style.backgroundColor = "var(–success-green)"; // Green for success
resultDiv.style.borderColor = "#1e7e34";
}