.calculator-container-wp {
font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
max-width: 800px;
margin: 0 auto;
background: #fff;
padding: 20px;
border: 1px solid #e0e0e0;
border-radius: 8px;
box-shadow: 0 2px 10px rgba(0,0,0,0.05);
}
.calc-header {
text-align: center;
margin-bottom: 30px;
}
.calc-header h2 {
color: #2c3e50;
margin-bottom: 10px;
}
.calc-grid {
display: grid;
grid-template-columns: 1fr 1fr;
gap: 20px;
margin-bottom: 25px;
}
@media (max-width: 600px) {
.calc-grid {
grid-template-columns: 1fr;
}
}
.input-group {
margin-bottom: 15px;
}
.input-group label {
display: block;
margin-bottom: 5px;
font-weight: 600;
color: #555;
font-size: 0.95em;
}
.input-wrapper {
position: relative;
display: flex;
align-items: center;
}
.input-prefix, .input-suffix {
background: #f4f4f4;
padding: 10px 12px;
border: 1px solid #ddd;
color: #666;
font-size: 0.9em;
}
.input-prefix {
border-right: none;
border-radius: 4px 0 0 4px;
}
.input-suffix {
border-left: none;
border-radius: 0 4px 4px 0;
}
.calc-input {
width: 100%;
padding: 10px;
border: 1px solid #ddd;
font-size: 16px;
border-radius: 0;
}
.calc-input:focus {
outline: none;
border-color: #3498db;
}
.calc-input.rounded-left {
border-radius: 4px 0 0 4px;
}
.calc-input.rounded-right {
border-radius: 0 4px 4px 0;
}
.calc-input.rounded {
border-radius: 4px;
}
.btn-calc {
width: 100%;
padding: 15px;
background-color: #2980b9;
color: white;
border: none;
border-radius: 4px;
font-size: 18px;
font-weight: bold;
cursor: pointer;
transition: background 0.3s;
margin-bottom: 25px;
}
.btn-calc:hover {
background-color: #2471a3;
}
#result-section {
display: none;
background-color: #f8f9fa;
border: 1px solid #e9ecef;
border-radius: 6px;
padding: 25px;
margin-bottom: 30px;
}
.result-row {
display: flex;
justify-content: space-between;
align-items: center;
padding: 10px 0;
border-bottom: 1px solid #e0e0e0;
}
.result-row:last-child {
border-bottom: none;
}
.result-label {
color: #666;
}
.result-value {
font-weight: bold;
color: #2c3e50;
}
.total-payment {
font-size: 1.4em;
color: #27ae60;
margin-top: 10px;
padding-top: 10px;
border-top: 2px solid #ddd;
}
.error-msg {
color: #c0392b;
text-align: center;
display: none;
margin-bottom: 15px;
}
.article-content {
margin-top: 40px;
line-height: 1.6;
color: #333;
}
.article-content h3 {
color: #2c3e50;
margin-top: 25px;
}
.article-content p {
margin-bottom: 15px;
}
.article-content ul {
margin-bottom: 15px;
padding-left: 20px;
}
function calculateMortgage() {
// Get inputs using var
var homePrice = parseFloat(document.getElementById('homePrice').value);
var downPayment = parseFloat(document.getElementById('downPayment').value);
var interestRate = parseFloat(document.getElementById('interestRate').value);
var loanTerm = parseInt(document.getElementById('loanTerm').value);
var propertyTax = parseFloat(document.getElementById('propertyTax').value);
var homeInsurance = parseFloat(document.getElementById('homeInsurance').value);
var hoaFees = parseFloat(document.getElementById('hoaFees').value);
// Validation
if (isNaN(homePrice) || isNaN(downPayment) || isNaN(interestRate) || isNaN(propertyTax) || isNaN(homeInsurance) || isNaN(hoaFees)) {
document.getElementById('errorMessage').style.display = 'block';
document.getElementById('result-section').style.display = 'none';
return;
} else {
document.getElementById('errorMessage').style.display = 'none';
}
// Calculations
var loanAmount = homePrice – downPayment;
var monthlyRate = (interestRate / 100) / 12;
var numberOfPayments = loanTerm * 12;
// Principal & Interest Calculation
var monthlyPI = 0;
if (interestRate === 0) {
monthlyPI = loanAmount / numberOfPayments;
} else {
// Formula: M = P [ i(1 + i)^n ] / [ (1 + i)^n – 1 ]
monthlyPI = loanAmount * (monthlyRate * Math.pow(1 + monthlyRate, numberOfPayments)) / (Math.pow(1 + monthlyRate, numberOfPayments) – 1);
}
// Other components
var monthlyTax = propertyTax / 12;
var monthlyInsurance = homeInsurance / 12;
// Total
var totalMonthly = monthlyPI + monthlyTax + monthlyInsurance + hoaFees;
// Formatting currency
var formatter = new Intl.NumberFormat('en-US', {
style: 'currency',
currency: 'USD',
});
// Update UI
document.getElementById('resPI').innerText = formatter.format(monthlyPI);
document.getElementById('resTax').innerText = formatter.format(monthlyTax);
document.getElementById('resIns').innerText = formatter.format(monthlyInsurance);
document.getElementById('resHOA').innerText = formatter.format(hoaFees);
document.getElementById('resTotal').innerText = formatter.format(totalMonthly);
document.getElementById('resLoanAmount').innerText = formatter.format(loanAmount);
// Show result
document.getElementById('result-section').style.display = 'block';
}
Mortgage Payment Calculator
Estimate your monthly mortgage payments including principal, interest, taxes, and insurance.
Please enter valid numeric values for all fields.
$
$
%
30 Years
20 Years
15 Years
10 Years
$
$
$
Monthly Payment Breakdown
Principal & Interest
$0.00
Property Taxes
$0.00
Homeowners Insurance
$0.00
HOA Fees
$0.00
Total Monthly Payment
$0.00
Loan Amount:
How to Calculate Your Mortgage Payment
Understanding exactly how much house you can afford begins with calculating your monthly mortgage payment. While the listing price is a good starting point, the actual amount you pay each month consists of four main components, often referred to as PITI: Principal, Interest, Taxes, and Insurance.
1. Principal and Interest
The bulk of your payment usually goes toward repaying the loan balance (principal) and the cost of borrowing that money (interest).
- Principal: The money you borrowed. In the early years of a 30-year mortgage, only a small portion of your payment reduces the principal.
- Interest: The fee charged by the lender. A higher interest rate significantly increases your monthly payment and the total cost of the loan.
Our calculator uses the standard amortization formula to determine this amount based on your loan term and interest rate.
2. Property Taxes and Insurance
Most lenders require you to pay 1/12th of your annual property taxes and homeowners insurance premiums each month. These funds are held in an escrow account and paid on your behalf when due.
- Property Taxes: Assessed by your local government, usually based on the value of the home.
- Homeowners Insurance: Protects your property against damage from fire, theft, and other disasters.
3. HOA Fees
If you are buying a condo or a home in a planned community, you may have to pay Homeowners Association (HOA) fees. While these are typically paid directly to the association rather than the lender, they are a critical part of your monthly housing budget and are included in this calculator for accuracy.
Factors Affecting Your Mortgage Payment
Several variables can change your monthly outlay:
- Down Payment: Putting more money down reduces the loan amount (Principal), which lowers your monthly P&I payment. If you put down less than 20%, you may also have to pay Private Mortgage Insurance (PMI), though this calculator focuses on the standard components.
- Loan Term: A 30-year term has lower monthly payments but higher total interest costs compared to a 15-year term.
- Interest Rate: Even a 1% difference in rate can change your monthly payment by hundreds of dollars and your total loan cost by tens of thousands.
Use the Mortgage Payment Calculator above to experiment with different home prices, down payments, and interest rates to find a financing scenario that fits your budget.