.calculator-wrapper {
font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
max-width: 800px;
margin: 0 auto;
color: #333;
line-height: 1.6;
}
.calc-container {
background: #ffffff;
border: 1px solid #e0e0e0;
border-radius: 8px;
padding: 30px;
box-shadow: 0 4px 6px rgba(0,0,0,0.05);
margin-bottom: 40px;
}
.calc-title {
text-align: center;
color: #2c3e50;
margin-bottom: 25px;
font-size: 24px;
font-weight: 700;
}
.input-grid {
display: grid;
grid-template-columns: 1fr 1fr;
gap: 20px;
}
@media (max-width: 600px) {
.input-grid {
grid-template-columns: 1fr;
}
}
.form-group {
margin-bottom: 15px;
}
.form-group label {
display: block;
margin-bottom: 8px;
font-weight: 600;
font-size: 14px;
color: #555;
}
.input-wrapper {
position: relative;
}
.input-wrapper input {
width: 100%;
padding: 12px 12px 12px 35px;
border: 1px solid #ddd;
border-radius: 6px;
font-size: 16px;
box-sizing: border-box;
transition: border-color 0.3s;
}
.input-wrapper input:focus {
border-color: #3498db;
outline: none;
}
.currency-symbol, .percent-symbol {
position: absolute;
left: 12px;
top: 50%;
transform: translateY(-50%);
color: #888;
}
.percent-symbol {
left: auto;
right: 12px;
}
.percent-input input {
padding-left: 12px;
padding-right: 35px;
}
.calc-btn {
width: 100%;
background: #2c3e50;
color: white;
border: none;
padding: 15px;
font-size: 18px;
font-weight: bold;
border-radius: 6px;
cursor: pointer;
margin-top: 20px;
transition: background 0.2s;
}
.calc-btn:hover {
background: #34495e;
}
.results-area {
margin-top: 30px;
padding: 20px;
background: #f8f9fa;
border-radius: 6px;
border-left: 5px solid #27ae60;
display: none;
}
.result-row {
display: flex;
justify-content: space-between;
align-items: center;
margin-bottom: 10px;
padding-bottom: 10px;
border-bottom: 1px solid #eee;
}
.result-row:last-child {
border-bottom: none;
margin-bottom: 0;
padding-bottom: 0;
}
.result-label {
font-weight: 600;
color: #555;
}
.result-value {
font-weight: 700;
font-size: 18px;
color: #2c3e50;
}
.final-result {
font-size: 28px;
color: #27ae60;
}
.seo-content h2 {
color: #2c3e50;
margin-top: 30px;
font-size: 22px;
}
.seo-content p, .seo-content li {
color: #4a4a4a;
font-size: 16px;
}
.seo-content ul {
margin-bottom: 20px;
}
.error-msg {
color: #c0392b;
text-align: center;
margin-top: 10px;
display: none;
}
function calculateCapRate() {
var price = document.getElementById('propertyPrice').value;
var grossIncome = document.getElementById('annualIncome').value;
var expenses = document.getElementById('annualExpenses').value;
var vacancy = document.getElementById('vacancyRate').value;
var errorDiv = document.getElementById('errorDisplay');
var resultDiv = document.getElementById('resultsDisplay');
// Reset error
errorDiv.style.display = 'none';
// Validation
if (price === " || grossIncome === " || expenses === " || vacancy === ") {
errorDiv.innerText = "Please fill in all fields.";
errorDiv.style.display = 'block';
resultDiv.style.display = 'none';
return;
}
var pVal = parseFloat(price);
var gVal = parseFloat(grossIncome);
var eVal = parseFloat(expenses);
var vVal = parseFloat(vacancy);
if (isNaN(pVal) || isNaN(gVal) || isNaN(eVal) || isNaN(vVal) || pVal <= 0) {
errorDiv.innerText = "Please enter valid positive numbers.";
errorDiv.style.display = 'block';
resultDiv.style.display = 'none';
return;
}
// Calculations
var vacancyLoss = gVal * (vVal / 100);
var effectiveGrossIncome = gVal – vacancyLoss;
var netOperatingIncome = effectiveGrossIncome – eVal;
var capRate = (netOperatingIncome / pVal) * 100;
// Display Results
document.getElementById('dispGross').innerText = '$' + gVal.toLocaleString(undefined, {minimumFractionDigits: 2, maximumFractionDigits: 2});
document.getElementById('dispVacancy').innerText = '-$' + vacancyLoss.toLocaleString(undefined, {minimumFractionDigits: 2, maximumFractionDigits: 2});
document.getElementById('dispExpenses').innerText = '-$' + eVal.toLocaleString(undefined, {minimumFractionDigits: 2, maximumFractionDigits: 2});
document.getElementById('dispNOI').innerText = '$' + netOperatingIncome.toLocaleString(undefined, {minimumFractionDigits: 2, maximumFractionDigits: 2});
document.getElementById('dispCapRate').innerText = capRate.toFixed(2) + '%';
resultDiv.style.display = 'block';
}
What is a Cap Rate Calculator?
The Capitalization Rate (Cap Rate) Calculator is an essential tool for real estate investors to evaluate the profitability of an investment property. The Cap Rate indicates the potential rate of return on a real estate investment based on the income the property is expected to generate. It allows investors to compare different properties on an apples-to-apples basis, regardless of how they are financed.
How is Cap Rate Calculated?
The formula for calculating Cap Rate is relatively straightforward but requires accurate financial data regarding the property. The core formula is:
Cap Rate = (Net Operating Income / Current Market Value) × 100
To use this formula, you must determine the Net Operating Income (NOI). The NOI is calculated by subtracting all operating expenses (taxes, insurance, management fees, maintenance) from the property's gross annual income. Note that mortgage payments are typically excluded from NOI calculations when determining Cap Rate.
What is a Good Cap Rate?
There is no single "good" Cap Rate, as acceptable rates vary by location, property type, and the current economic environment. However, general guidelines include:
- 4% – 5%: Often seen in high-demand, low-risk areas (like major city centers). The return is lower, but the asset is usually safer and appreciates better.
- 6% – 8%: A balanced target for many residential investors, offering a mix of reasonable income and stability.
- 8% – 12%+: Higher returns typically associated with riskier properties, older buildings, or areas with lower tenant stability.
Why Use This Calculator?
This tool helps you quickly strip away the emotional aspects of buying property and focus on the math. By inputting your purchase price, rental income, expenses, and vacancy estimates, you can instantly see if a deal makes financial sense or if you should keep looking. Remember, a higher Cap Rate generally implies a better annual return on your cash investment (assuming an all-cash purchase), while a lower Cap Rate may imply a safer, more stable asset.