This calculator provides an *estimated* range for your potential homeowners insurance premiums. Please note that actual rates can vary significantly based on your specific location, coverage choices, deductible, insurance provider, and your home's unique characteristics.
Excellent (750+)
Good (670-749)
Average (580-669)
Poor (below 580)
.insurance-calculator-container {
font-family: Arial, sans-serif;
max-width: 600px;
margin: 20px auto;
padding: 20px;
border: 1px solid #ddd;
border-radius: 8px;
box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}
.insurance-calculator-container h2 {
text-align: center;
color: #333;
margin-bottom: 20px;
}
.insurance-calculator-container p {
font-size: 0.9em;
color: #555;
text-align: justify;
margin-bottom: 25px;
line-height: 1.5;
}
.calculator-inputs {
display: grid;
grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
gap: 15px;
margin-bottom: 25px;
}
.input-group {
display: flex;
flex-direction: column;
}
.input-group label {
margin-bottom: 5px;
font-weight: bold;
color: #444;
}
.input-group input[type="number"],
.input-group input[type="text"],
.input-group select {
padding: 10px;
border: 1px solid #ccc;
border-radius: 4px;
font-size: 1em;
}
.input-group input[type="number"]:focus,
.input-group input[type="text"]:focus,
.input-group select:focus {
outline: none;
border-color: #007bff;
box-shadow: 0 0 0 2px rgba(0,123,255,0.25);
}
button {
display: block;
width: 100%;
padding: 12px 20px;
background-color: #007bff;
color: white;
border: none;
border-radius: 5px;
font-size: 1.1em;
cursor: pointer;
transition: background-color 0.3s ease;
}
button:hover {
background-color: #0056b3;
}
.calculator-result {
margin-top: 25px;
padding: 15px;
border: 1px dashed #007bff;
background-color: #e7f3ff;
border-radius: 5px;
text-align: center;
font-size: 1.1em;
color: #333;
}
.calculator-result strong {
color: #007bff;
}
function calculateInsuranceRate() {
var homeValue = parseFloat(document.getElementById("homeValue").value);
var coverageAmount = parseFloat(document.getElementById("coverageAmount").value);
var creditScore = document.getElementById("creditScore").value;
var deductible = parseFloat(document.getElementById("deductible").value);
var ageOfHome = parseFloat(document.getElementById("ageOfHome").value);
var zipCode = document.getElementById("zipCode").value.trim();
var claimsHistory = parseFloat(document.getElementById("claimsHistory").value);
var resultDiv = document.getElementById("result");
resultDiv.innerHTML = ""; // Clear previous results
// — Input Validation —
if (isNaN(homeValue) || homeValue <= 0 ||
isNaN(coverageAmount) || coverageAmount <= 0 ||
isNaN(deductible) || deductible <= 0 ||
isNaN(ageOfHome) || ageOfHome < 0 ||
isNaN(claimsHistory) || claimsHistory < 0 ||
zipCode === "") {
resultDiv.innerHTML = "Error: Please enter valid positive numbers for all required fields and a zip code.";
return;
}
if (coverageAmount > homeValue) {
resultDiv.innerHTML = "Warning: Dwelling coverage is higher than the estimated home value. This might affect your premium.";
// Continue calculation but warn the user
}
// — Base Rate Calculation Factors (Simplified Model) —
// These are illustrative factors and do not represent real-world actuarial calculations.
var baseRatePerThousand = 2.5; // A hypothetical base rate per $1000 of coverage
var premium = (coverageAmount / 1000) * baseRatePerThousand;
// Factor for Home Value (higher value might have slightly lower per-dollar cost, but overall higher)
// This is a complex factor; here, we'll just ensure it's at least somewhat tied to coverage.
// Factor for Age of Home (older homes may cost more)
if (ageOfHome > 20) {
premium *= 1.15; // 15% increase for homes over 20 years old
} else if (ageOfHome > 10) {
premium *= 1.05; // 5% increase for homes over 10 years old
}
// Factor for Credit Score (lower score increases premium)
var creditScoreMultiplier = 1.0;
switch (creditScore) {
case "excellent":
creditScoreMultiplier = 0.90; // 10% discount
break;
case "good":
creditScoreMultiplier = 1.0;
break;
case "average":
creditScoreMultiplier = 1.20; // 20% increase
break;
case "poor":
creditScoreMultiplier = 1.40; // 40% increase
break;
}
premium *= creditScoreMultiplier;
// Factor for Deductible (higher deductible usually means lower premium)
// We'll use a simple inverse relationship for illustration. A higher deductible
// reduces the insurer's risk, so we can adjust premium down.
var deductibleFactor = (1000 / deductible); // Example: $1000 deductible = 1x factor, $2000 = 0.5x factor
if (deductible > 2000) {
deductibleFactor = 0.4; // Cap the discount effect
}
premium *= deductibleFactor;
// Factor for Claims History (more claims increase premium)
if (claimsHistory > 0) {
premium *= (1 + (claimsHistory * 0.15)); // 15% increase per claim
}
// — Location Factor (Simplified – zip codes imply risk) —
// Realistically, this would involve detailed risk assessment based on the zip code
// (e.g., crime rates, natural disaster probability). For this calculator,
// we'll just add a small, arbitrary adjustment based on the first digit of zip code.
var zipPrefix = parseInt(zipCode.substring(0, 1));
if (!isNaN(zipPrefix)) {
if (zipPrefix >= 8 || zipPrefix = 4 && zipPrefix <= 6) { // Hypothetical moderate-risk
premium *= 1.05; // 5% increase
}
}
// — Final Premium Adjustment & Display —
var estimatedAnnualPremium = Math.round(premium);
var estimatedMonthlyPremium = Math.round(estimatedAnnualPremium / 12);
// Ensure a minimum premium
if (estimatedAnnualPremium < 500) {
estimatedAnnualPremium = 500;
estimatedMonthlyPremium = Math.round(estimatedAnnualPremium / 12);
}
resultDiv.innerHTML = "Your estimated annual homeowners insurance premium is: $" + estimatedAnnualPremium.toLocaleString() + "";
resultDiv.innerHTML += "This is approximately: $" + estimatedMonthlyPremium.toLocaleString() + " per month.";
resultDiv.innerHTML += "This is an estimate. Actual rates vary by insurer and specific details.";
}