.acreage-calculator-container {
font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
max-width: 700px;
margin: 20px auto;
padding: 25px;
border: 1px solid #e0e0e0;
border-radius: 10px;
background-color: #fdfdfd;
box-shadow: 0 4px 12px rgba(0, 0, 0, 0.06);
}
.acreage-calculator-container h2 {
color: #2c3e50;
text-align: center;
margin-bottom: 25px;
font-size: 1.8em;
}
.acreage-calculator-container .input-group {
margin-bottom: 18px;
display: flex;
flex-direction: column;
}
.acreage-calculator-container label {
display: block;
margin-bottom: 8px;
color: #34495e;
font-weight: bold;
font-size: 0.95em;
}
.acreage-calculator-container input[type="number"],
.acreage-calculator-container select {
width: calc(100% – 22px);
padding: 12px;
border: 1px solid #ccc;
border-radius: 6px;
font-size: 1em;
box-sizing: border-box;
transition: border-color 0.3s ease;
}
.acreage-calculator-container input[type="number"]:focus,
.acreage-calculator-container select:focus {
border-color: #007bff;
outline: none;
box-shadow: 0 0 0 3px rgba(0, 123, 255, 0.25);
}
.acreage-calculator-container button {
background-color: #28a745;
color: white;
padding: 14px 25px;
border: none;
border-radius: 6px;
cursor: pointer;
font-size: 1.1em;
font-weight: bold;
width: 100%;
transition: background-color 0.3s ease, transform 0.2s ease;
margin-top: 20px;
}
.acreage-calculator-container button:hover {
background-color: #218838;
transform: translateY(-2px);
}
.acreage-calculator-container .result-section {
margin-top: 30px;
padding: 20px;
background-color: #e9f7ef;
border: 1px solid #d4edda;
border-radius: 8px;
text-align: center;
font-size: 1.1em;
color: #155724;
}
.acreage-calculator-container .result-section p {
margin: 8px 0;
line-height: 1.6;
}
.acreage-calculator-container .result-section strong {
color: #0a3d15;
font-size: 1.2em;
}
.acreage-calculator-container .error-message {
color: #dc3545;
background-color: #f8d7da;
border: 1px solid #f5c6cb;
padding: 10px;
border-radius: 6px;
margin-top: 15px;
text-align: center;
font-size: 0.95em;
}
function calculateAcreage() {
var length = parseFloat(document.getElementById('landLength').value);
var width = parseFloat(document.getElementById('landWidth').value);
var unit = document.getElementById('unitSelect').value;
var resultDiv = document.getElementById('acreageResult');
// Clear previous results and error messages
resultDiv.style.display = 'none';
resultDiv.innerHTML = ";
if (isNaN(length) || isNaN(width) || length <= 0 || width <= 0) {
resultDiv.style.display = 'block';
resultDiv.className = 'error-message';
resultDiv.innerHTML = 'Please enter valid, positive numbers for both length and width.';
return;
}
var areaInSquareUnits;
var areaInSquareFeet;
var acres;
// Calculate area in the chosen unit
areaInSquareUnits = length * width;
// Convert to square feet for consistent acreage calculation
switch (unit) {
case 'feet':
areaInSquareFeet = areaInSquareUnits;
break;
case 'meters':
// 1 meter = 3.28084 feet, so 1 sq meter = (3.28084)^2 sq feet
areaInSquareFeet = areaInSquareUnits * Math.pow(3.28084, 2);
break;
case 'yards':
// 1 yard = 3 feet, so 1 sq yard = 9 sq feet
areaInSquareFeet = areaInSquareUnits * 9;
break;
default:
resultDiv.style.display = 'block';
resultDiv.className = 'error-message';
resultDiv.innerHTML = 'An unexpected error occurred with the unit selection.';
return;
}
// 1 acre = 43,560 square feet
acres = areaInSquareFeet / 43560;
resultDiv.className = 'result-section'; // Reset class in case of previous error
resultDiv.innerHTML =
'Area: ' + areaInSquareUnits.toFixed(2) + ' square ' + unit + '' +
'Equivalent to: ' + areaInSquareFeet.toFixed(2) + ' square feet' +
'Total Acreage: ' + acres.toFixed(4) + ' acres';
resultDiv.style.display = 'block';
}
Acreage Calculator
Feet
Meters
Yards
Understanding Acreage and Land Measurement
Acreage refers to the total area of a piece of land, typically measured in acres. An acre is a standard unit of area used in the imperial and U.S. customary systems, primarily for measuring land. Understanding how to calculate acreage is crucial for various applications, from real estate transactions and property development to farming and environmental planning.
What is an Acre?
Historically, an acre was defined as the amount of land a yoke of oxen could plow in one day. Today, it has a precise definition:
- 1 acre = 43,560 square feet
- 1 acre ≈ 4,046.86 square meters
- 1 acre = 4,840 square yards
This calculator helps you convert the dimensions of a rectangular plot into its equivalent acreage, regardless of whether your initial measurements are in feet, meters, or yards.
Why Calculate Acreage?
- Real Estate: Buyers and sellers need to know the exact size of a property. Acreage directly impacts property value.
- Farming and Agriculture: Farmers need to calculate acreage to determine seed requirements, fertilizer application rates, and crop yields.
- Construction and Development: Developers use acreage to plan projects, estimate material needs, and comply with zoning regulations.
- Landscaping: For large-scale landscaping projects, knowing the acreage helps in estimating turf, soil, and plant quantities.
- Environmental Studies: Researchers and conservationists use acreage to assess habitats, deforestation rates, and land use changes.
How to Use the Acreage Calculator
Our calculator simplifies the process for rectangular plots:
- Measure Length: Determine the length of your land.
- Measure Width: Determine the width of your land.
- Select Unit: Choose the unit of measurement you used (feet, meters, or yards).
- Calculate: Click the "Calculate Acreage" button to see the area in square units, square feet, and the final acreage.
Example Calculation:
Let's say you have a rectangular plot of land that is 250 feet long and 175 feet wide.
- Length: 250 feet
- Width: 175 feet
- Unit: Feet
Using the calculator:
- Enter
250into "Length of Land". - Enter
175into "Width of Land". - Select "Feet" from the "Measurement Unit" dropdown.
- Click "Calculate Acreage".
The calculator would show:
- Area: 43,750 square feet (250 ft * 175 ft)
- Total Acreage: 1.0044 acres (43,750 sq ft / 43,560 sq ft per acre)
Important Considerations for Irregular Shapes
This calculator is designed for simple rectangular plots. For irregularly shaped parcels of land, calculating acreage can be more complex. You might need to:
- Divide into Rectangles/Triangles: Break down the irregular shape into smaller, measurable geometric shapes (rectangles, triangles, trapezoids), calculate the area of each, and sum them up.
- Use Surveying Tools: For highly accurate measurements of complex plots, professional land surveyors use GPS, total stations, and specialized software.
- Online Mapping Tools: Some online mapping services allow you to draw a boundary and automatically calculate the area.
Always ensure your measurements are as accurate as possible to get the most reliable acreage calculation.