PMI Calculator Removal: When Can You Eliminate PMI?
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Calculate Your PMI Removal Eligibility
Your PMI Removal Summary
PMI Removal Status: N/A
Key Assumptions
LTV Threshold for Automatic Cancellation: 80%
LTV Threshold for Manual Cancellation: 78%
Loan Term Considered: Original Term
PMI Cost Over Time vs. LTV Reduction
This chart visualizes how your LTV ratio decreases over time and the associated annual PMI cost.
PMI Removal Milestones
| Milestone |
LTV Ratio |
Estimated Date |
Estimated Annual PMI Cost |
| Enter details to populate table. |
What is PMI Calculator Removal?
PMI, or Private Mortgage Insurance, is an insurance policy that protects the lender if you default on your mortgage. It's typically required when your down payment is less than 20% of the home's purchase price. A PMI calculator removal tool helps homeowners understand when they can legally and financially stop paying this extra monthly cost. The core principle behind PMI removal is reaching a certain equity level in your home, usually determined by the Loan-to-Value (LTV) ratio.
Homeowners who have a conventional mortgage and made a down payment of less than 20% should use a pmi calculator removal tool. If you've been paying your mortgage diligently, your home's value may have increased, or your loan balance has decreased significantly, making you eligible to cancel PMI.
A common misconception is that PMI is automatically removed after a set number of years (like 11 years, as per older regulations). While this was once true, current regulations (like the Homeowners Protection Act of 1998) tie PMI cancellation to LTV ratios and the loan's amortization schedule, not just a fixed time period. Another myth is that you can cancel PMI anytime; this is incorrect, as lenders have specific criteria based on your equity. Understanding these nuances is key to effective pmi calculator removal.
PMI Removal Formula and Mathematical Explanation
The calculation for determining PMI removal eligibility primarily revolves around the Loan-to-Value (LTV) ratio. This ratio compares your outstanding mortgage balance to the current market value of your home.
Step 1: Calculate the Loan-to-Value (LTV) Ratio
The fundamental formula is:
LTV Ratio = (Current Mortgage Balance / Current Home Value) * 100%
Step 2: Determine Eligibility Based on LTV
Lenders have specific thresholds, often guided by the Homeowners Protection Act (HPA):
- Automatic Termination: If your LTV reaches 78% based on the original amortization schedule, the lender must automatically terminate PMI.
- Request for Cancellation: You can typically request PMI cancellation when your LTV reaches 80% of the original purchase price, or when it reaches 78% based on the current appraised value. The calculator uses the current appraised value for more flexibility.
Step 3: Calculate Estimated Annual PMI Cost
This helps understand the financial benefit of removing PMI:
Estimated Annual PMI Cost = (Current Mortgage Balance * Annual PMI Rate) / 100
Step 4: Estimate Future LTV and Dates
By projecting future mortgage balances based on a standard amortization schedule and assuming the home value remains constant, we can estimate when the LTV thresholds will be met.
Variables Table
| Variable |
Meaning |
Unit |
Typical Range |
| Original Loan Amount |
The initial principal amount borrowed. |
Currency (e.g., USD) |
$50,000 – $1,000,000+ |
| Current Home Value |
The estimated current market value of the property. |
Currency (e.g., USD) |
$50,000 – $2,000,000+ |
| Current Mortgage Balance |
The remaining principal balance on the mortgage. |
Currency (e.g., USD) |
$10,000 – $1,500,000+ |
| Annual PMI Rate |
The yearly cost of PMI as a percentage of the loan balance. |
Percentage (%) |
0.2% – 1.5% |
| Loan Origination Date |
The date the mortgage loan was finalized. |
Date |
Past Dates |
| LTV Ratio |
Loan-to-Value ratio, indicating lender risk. |
Percentage (%) |
0% – 100%+ |
| Equity Percentage |
The percentage of the home's value that the owner possesses. |
Percentage (%) |
0% – 100% |
Practical Examples (Real-World Use Cases)
Example 1: Reaching Equity Threshold
Sarah purchased her home 5 years ago with a $300,000 loan and a 10% down payment. Her original loan amount was $300,000, and she put down $33,333, making the purchase price $333,333. Her current home value is estimated at $360,000, and her remaining mortgage balance is $275,000. Her annual PMI rate is 0.6%.
- Inputs: Original Loan Amount: $300,000, Current Home Value: $360,000, Current Mortgage Balance: $275,000, Annual PMI Rate: 0.6%.
- Calculation:
- LTV Ratio = ($275,000 / $360,000) * 100% = 76.39%
- Equity Percentage = 100% – 76.39% = 23.61%
- Estimated Annual PMI Cost = ($275,000 * 0.6%) / 100 = $1,650
- Result: Since Sarah's LTV (76.39%) is below the 80% threshold for requesting cancellation and below the 78% threshold for automatic cancellation, she can likely request to have her PMI removed. She will save $1,650 annually. This is a prime scenario for pmi calculator removal.
Example 2: Approaching Automatic Cancellation
John bought his house with a $400,000 mortgage and a 5% down payment. The original loan amount was $400,000. The purchase price was approximately $421,053. His home value has remained stable at $421,053. His current mortgage balance is $370,000, and his annual PMI rate is 0.8%. His loan origination date was January 15, 2020.
- Inputs: Original Loan Amount: $400,000, Current Home Value: $421,053, Current Mortgage Balance: $370,000, Annual PMI Rate: 0.8%, Loan Origination Date: 2020-01-15.
- Calculation:
- LTV Ratio = ($370,000 / $421,053) * 100% = 87.87%
- Equity Percentage = 100% – 87.87% = 12.13%
- Estimated Annual PMI Cost = ($370,000 * 0.8%) / 100 = $2,960
- Result: John's current LTV is 87.87%, which is above the thresholds for cancellation. However, based on his original loan amortization schedule, the calculator estimates he will reach the 80% LTV mark in approximately 3 years and the 78% LTV mark in about 4 years. He should continue making payments and monitor his LTV. This demonstrates the forward-looking aspect of a pmi calculator removal.
How to Use This PMI Calculator Removal Tool
Using this pmi calculator removal tool is straightforward and designed to give you actionable insights into eliminating your Private Mortgage Insurance. Follow these steps:
- Enter Original Loan Amount: Input the exact principal amount you borrowed when you first purchased your home.
- Enter Current Home Value: Provide the most recent appraised value or a realistic estimate of your home's current market worth.
- Enter Current Mortgage Balance: Input the remaining principal balance on your mortgage. You can usually find this on your latest mortgage statement.
- Enter Annual PMI Rate: Find this percentage on your mortgage documents or lender statements. It's typically between 0.2% and 1.5%.
- Enter Loan Origination Date: Select the date your mortgage loan was officially closed and funded. This is crucial for calculating amortization.
- Optional: Enter PMI Cancellation Date: If you know the exact date your PMI was officially cancelled, enter it. This helps refine historical calculations.
- Click 'Calculate': The tool will process your inputs and display your current LTV ratio, equity percentage, estimated annual PMI cost, and your PMI removal status.
Reading the Results:
- LTV Ratio: A lower percentage indicates higher equity and brings you closer to PMI removal.
- Equity Percentage: This shows how much of your home you own outright.
- Estimated Annual PMI Cost: This is the amount you'll save once PMI is removed.
- PMI Removal Status: This will indicate if you're eligible for automatic cancellation, can request cancellation, or need more time/equity.
Decision-Making Guidance:
- If the status indicates you can request cancellation (LTV ≤ 80%), contact your mortgage servicer to initiate the process. You may need a new appraisal.
- If the status indicates automatic cancellation (LTV ≤ 78% based on original schedule), your servicer should eventually remove it, but you can also inquire.
- If you're not yet eligible, use the projected dates and LTVs to plan your payoff strategy. Consider making extra principal payments to accelerate pmi calculator removal.
Key Factors That Affect PMI Removal Results
Several factors influence when and how you can remove PMI. Understanding these is crucial for effective financial planning:
-
Home Value Appreciation: A rising real estate market increases your home's value, thereby decreasing your LTV ratio even if your mortgage balance remains the same. This is a significant driver for reaching PMI removal thresholds faster.
-
Mortgage Balance Reduction: Consistent principal payments on your mortgage directly lower the outstanding balance, reducing the LTV ratio over time. Making extra principal payments can significantly speed up this process.
-
Original Loan Terms & Amortization Schedule: The HPA mandates automatic PMI cancellation at 78% LTV based on the original amortization schedule. This means even if your home value increases, the lender still tracks progress against the initial loan repayment plan.
-
Appraisal Requirements: When requesting cancellation based on current value (often at 80% LTV), lenders usually require a formal appraisal. The cost of this appraisal is typically borne by the homeowner and can impact the net savings. A lower appraised value could delay removal.
-
PMI Provider Policies: While HPA sets minimums, some PMI providers or loan servicers might have slightly different internal policies or require specific documentation. Always confirm with your servicer.
-
Loan Type: PMI is generally associated with conventional loans. FHA loans have Mortgage Insurance Premiums (MIP), which have different rules for cancellation, often lasting the life of the loan unless refinanced. VA loans do not require PMI. This calculator is specifically for conventional loan PMI.
-
Property Condition and Market Trends: Factors affecting your home's marketability and value (e.g., local economic conditions, property taxes, neighborhood development) indirectly influence the LTV ratio and the feasibility of obtaining a favorable appraisal for PMI removal.
Frequently Asked Questions (FAQ)
Q1: How long does it typically take to remove PMI?
It varies greatly. If you made a substantial down payment (e.g., 10-15%), you might reach the 80% LTV threshold in 3-7 years. If your down payment was minimal (e.g., 3-5%), it could take 7-11 years or longer, especially if home appreciation is slow or negative.
Q2: Can I remove PMI if my home value has increased significantly?
Yes. If your home value has appreciated, you can often request PMI cancellation when your LTV reaches 80% based on the *current appraised value*, even if you haven't reached the 78% LTV based on the original amortization schedule. This often requires a new appraisal.
Q3: What happens if my home value decreases? Can I still remove PMI?
If your home value decreases, your LTV ratio increases. This could prevent you from reaching the 80% or 78% thresholds. You might need to wait until your mortgage balance decreases sufficiently or hope for future home value appreciation.
Q4: Do I need to do anything to get PMI removed?
For automatic cancellation (at 78% LTV based on original schedule), usually no action is needed from you. However, for cancellation at 80% LTV (based on current value), you typically need to formally request it from your mortgage servicer and may need to provide a new appraisal.
Q5: What is the difference between PMI and MIP (Mortgage Insurance Premium)?
PMI is for conventional loans with less than 20% down. MIP is for FHA loans and has different rules, often lasting the life of the loan unless refinanced. This calculator is for PMI removal.
Q6: Can I make extra payments to remove PMI faster?
Absolutely. Making extra principal payments directly reduces your mortgage balance, accelerating the decrease in your LTV ratio and helping you reach the required equity faster.
Q7: What if my lender refuses to remove PMI?
Ensure you meet the LTV requirements (80% for request, 78% for automatic based on original schedule). If you do, and they still refuse, review the Homeowners Protection Act of 1998. You may need to file a formal complaint or seek advice from a housing counselor.
Q8: Does refinancing affect my PMI?
Yes. If you refinance into a new conventional loan, you will likely need to pay PMI again if your equity in the new loan is less than 20%. If you refinance into an FHA loan, you'll pay MIP instead. Some "cash-out" refinances might also require PMI depending on the new LTV.
var originalLoanAmountInput = document.getElementById('originalLoanAmount');
var currentAppraisedValueInput = document.getElementById('currentAppraisedValue');
var currentMortgageBalanceInput = document.getElementById('currentMortgageBalance');
var pmiRateInput = document.getElementById('pmiRate');
var loanOriginationDateInput = document.getElementById('loanOriginationDate');
var pmiCancellationDateInput = document.getElementById('pmiCancellationDate');
var ltvRatioDiv = document.getElementById('loanToValueRatio').querySelector('span');
var equityPercentageDiv = document.getElementById('equityPercentage').querySelector('span');
var estimatedAnnualPMIDiv = document.getElementById('estimatedAnnualPMI').querySelector('span');
var primaryResultDiv = document.getElementById('primaryResult').querySelector('span');
var assumptionLTVDiv = document.getElementById('assumptionLTV').querySelector('span');
var assumptionManualDiv = document.getElementById('assumptionManual').querySelector('span');
var assumptionLoanTermDiv = document.getElementById('assumptionLoanTerm').querySelector('span');
var originalLoanAmountError = document.getElementById('originalLoanAmountError');
var currentAppraisedValueError = document.getElementById('currentAppraisedValueError');
var currentMortgageBalanceError = document.getElementById('currentMortgageBalanceError');
var pmiRateError = document.getElementById('pmiRateError');
var loanOriginationDateError = document.getElementById('loanOriginationDateError');
var pmiCancellationDateError = document.getElementById('pmiCancellationDateError');
var pmiChart;
var chartContext;
var defaultValues = {
originalLoanAmount: 300000,
currentAppraisedValue: 350000,
currentMortgageBalance: 275000,
pmiRate: 0.5,
loanOriginationDate: '2019-01-01',
pmiCancellationDate: "
};
function initializeChart() {
chartContext = document.getElementById('pmiChart').getContext('2d');
pmiChart = new Chart(chartContext, {
type: 'line',
data: {
labels: [],
datasets: [{
label: 'LTV Ratio (%)',
data: [],
borderColor: 'var(–primary-color)',
backgroundColor: 'rgba(0, 74, 153, 0.1)',
fill: false,
tension: 0.1
}, {
label: 'Annual PMI Cost ($)',
data: [],
borderColor: 'var(–success-color)',
backgroundColor: 'rgba(40, 167, 69, 0.1)',
fill: false,
tension: 0.1,
yAxisID: 'y-axis-pmi'
}]
},
options: {
responsive: true,
maintainAspectRatio: false,
scales: {
x: {
title: {
display: true,
text: 'Years from Origination'
}
},
y: {
title: {
display: true,
text: 'LTV Ratio (%)'
},
min: 0,
max: 100
},
'y-axis-pmi': {
type: 'linear',
position: 'right',
title: {
display: true,
text: 'Annual PMI Cost ($)'
},
min: 0,
grid: {
drawOnChartArea: false,
}
}
},
plugins: {
tooltip: {
mode: 'index',
intersect: false,
}
}
}
});
}
function updateChart(originalLoan, currentBalance, pmiRatePercent, originationDateStr) {
if (!pmiChart) {
initializeChart();
}
var labels = [];
var ltvData = [];
var pmiCostData = [];
var currentYear = new Date().getFullYear();
var originationYear = new Date(originationDateStr).getFullYear();
var yearsSinceOrigination = currentYear – originationYear;
var mortgageBalance = parseFloat(currentMortgageBalanceInput.value) || 0;
var homeValue = parseFloat(currentAppraisedValueInput.value) || parseFloat(originalLoanAmountInput.value) * 1.2; // Default to 20% appreciation if not set
var annualPMIRate = parseFloat(pmiRateInput.value) || 0;
// Estimate future balances assuming standard amortization
// This is a simplification; a full amortization calculation is complex.
// We'll simulate a decrease based on a typical loan term (e.g., 30 years)
var loanTermYears = 30; // Assume 30-year term for projection
var monthlyInterestRate = 0.08 / 12; // Assuming 8% APR for projection – this is a placeholder!
var monthlyPayment = 0;
if (originalLoanAmountInput.value && originalLoanAmountInput.value > 0) {
monthlyPayment = calculateMonthlyPayment(parseFloat(originalLoanAmountInput.value), monthlyInterestRate, loanTermYears * 12);
}
for (var i = 0; i 0) {
// Simplified projection: reduce balance by a fraction of monthly payment * 12
// A more accurate method would involve calculating remaining balance after 'i' years
var remainingMonths = loanTermYears * 12 – (yearsSinceOrigination + i) * 12;
if (remainingMonths > 0) {
projectedBalance = calculateRemainingBalance(parseFloat(originalLoanAmountInput.value), monthlyPayment, monthlyInterestRate, remainingMonths);
} else {
projectedBalance = 0; // Loan paid off
}
} else {
// If no monthly payment calculated, assume a slow decrease
projectedBalance = mortgageBalance * Math.pow(0.95, i); // 5% reduction per year
}
projectedBalance = Math.max(0, projectedBalance); // Ensure balance doesn't go negative
var projectedLTV = (projectedBalance / homeValue) * 100;
ltvData.push(projectedLTV.toFixed(2));
var projectedPMICost = (projectedBalance * annualPMIRate) / 100;
pmiCostData.push(projectedPMICost.toFixed(2));
}
pmiChart.data.labels = labels;
pmiChart.data.datasets[0].data = ltvData;
pmiChart.data.datasets[1].data = pmiCostData;
pmiChart.update();
}
// Helper function to calculate monthly payment (P = L[c(1 + c)^n] / [(1 + c)^n – 1])
function calculateMonthlyPayment(principal, monthlyRate, termInMonths) {
if (monthlyRate === 0) return principal / termInMonths;
var numerator = monthlyRate * Math.pow(1 + monthlyRate, termInMonths);
var denominator = Math.pow(1 + monthlyRate, termInMonths) – 1;
return principal * (numerator / denominator);
}
// Helper function to calculate remaining balance
function calculateRemainingBalance(principal, monthlyPayment, monthlyRate, remainingMonths) {
if (monthlyRate === 0) return principal – (monthlyPayment * (30*12 – remainingMonths)); // Simplified if rate is 0
var numerator = monthlyPayment * (1 – Math.pow(1 + monthlyRate, -remainingMonths));
var denominator = monthlyRate;
return numerator / denominator;
}
function populateTable(originalLoan, currentBalance, pmiRatePercent, originationDateStr) {
var tableBody = document.getElementById('pmiTableBody');
tableBody.innerHTML = "; // Clear existing rows
var mortgageBalance = parseFloat(currentMortgageBalanceInput.value) || 0;
var homeValue = parseFloat(currentAppraisedValueInput.value) || parseFloat(originalLoanAmountInput.value) * 1.2;
var annualPMIRate = parseFloat(pmiRateInput.value) || 0;
var loanTermYears = 30; // Assume 30-year term for projection
var monthlyInterestRate = 0.08 / 12; // Assuming 8% APR for projection – placeholder!
var monthlyPayment = 0;
if (originalLoanAmountInput.value && originalLoanAmountInput.value > 0) {
monthlyPayment = calculateMonthlyPayment(parseFloat(originalLoanAmountInput.value), monthlyInterestRate, loanTermYears * 12);
}
var currentYear = new Date().getFullYear();
var originationYear = new Date(originationDateStr).getFullYear();
var yearsSinceOrigination = currentYear – originationYear;
var milestones = [
{ ltvTarget: 80, label: "Request Cancellation (80% LTV)" },
{ ltvTarget: 78, label: "Automatic Cancellation (78% LTV)" }
];
milestones.forEach(function(milestone) {
var row = tableBody.insertRow();
var cellMilestone = row.insertCell(0);
var cellLTV = row.insertCell(1);
var cellDate = row.insertCell(2);
var cellPMICost = row.insertCell(3);
cellMilestone.textContent = milestone.label;
cellLTV.textContent = milestone.ltvTarget + "%";
var estimatedDate = "N/A";
var estimatedPMICost = "N/A";
var foundDate = false;
for (var i = 0; i 0) {
var remainingMonths = loanTermYears * 12 – (yearsSinceOrigination + i) * 12;
if (remainingMonths > 0) {
projectedBalance = calculateRemainingBalance(parseFloat(originalLoanAmountInput.value), monthlyPayment, monthlyInterestRate, remainingMonths);
} else {
projectedBalance = 0;
}
} else {
projectedBalance = mortgageBalance * Math.pow(0.95, i);
}
projectedBalance = Math.max(0, projectedBalance);
var projectedLTV = (projectedBalance / homeValue) * 100;
if (projectedLTV <= milestone.ltvTarget) {
estimatedDate = (originationYear + i).toString();
estimatedPMICost = ((projectedBalance * annualPMIRate) / 100).toFixed(2);
foundDate = true;
break;
}
}
cellDate.textContent = foundDate ? estimatedDate : "Beyond Projection";
cellPMICost.textContent = foundDate ? "$" + estimatedPMICost : "N/A";
});
}
function calculatePMI() {
var errorsFound = false;
// Clear previous errors
originalLoanAmountError.style.display = 'none';
currentAppraisedValueError.style.display = 'none';
currentMortgageBalanceError.style.display = 'none';
pmiRateError.style.display = 'none';
loanOriginationDateError.style.display = 'none';
pmiCancellationDateError.style.display = 'none';
// Get values and validate
var originalLoanAmount = parseFloat(originalLoanAmountInput.value);
if (isNaN(originalLoanAmount) || originalLoanAmount <= 0) {
originalLoanAmountError.textContent = 'Please enter a valid original loan amount.';
originalLoanAmountError.style.display = 'block';
errorsFound = true;
}
var currentAppraisedValue = parseFloat(currentAppraisedValueInput.value);
if (isNaN(currentAppraisedValue) || currentAppraisedValue <= 0) {
currentAppraisedValueError.textContent = 'Please enter a valid current home value.';
currentAppraisedValueError.style.display = 'block';
errorsFound = true;
}
var currentMortgageBalance = parseFloat(currentMortgageBalanceInput.value);
if (isNaN(currentMortgageBalance) || currentMortgageBalance < 0) {
currentMortgageBalanceError.textContent = 'Please enter a valid current mortgage balance.';
currentMortgageBalanceError.style.display = 'block';
errorsFound = true;
}
var pmiRate = parseFloat(pmiRateInput.value);
if (isNaN(pmiRate) || pmiRate < 0) {
pmiRateError.textContent = 'Please enter a valid PMI rate (e.g., 0.5 for 0.5%).';
pmiRateError.style.display = 'block';
errorsFound = true;
}
var loanOriginationDateStr = loanOriginationDateInput.value;
if (!loanOriginationDateStr) {
loanOriginationDateError.textContent = 'Please select the loan origination date.';
loanOriginationDateError.style.display = 'block';
errorsFound = true;
}
var pmiCancellationDateStr = pmiCancellationDateInput.value;
if (pmiCancellationDateStr) {
var pmiCancellationDate = new Date(pmiCancellationDateStr);
var loanOriginationDate = new Date(loanOriginationDateStr);
if (pmiCancellationDate < loanOriginationDate) {
pmiCancellationDateError.textContent = 'PMI cancellation date cannot be before the loan origination date.';
pmiCancellationDateError.style.display = 'block';
errorsFound = true;
}
}
if (errorsFound) {
// Clear results if errors are present
ltvRatioDiv.textContent = 'N/A';
equityPercentageDiv.textContent = 'N/A';
estimatedAnnualPMIDiv.textContent = 'N/A';
primaryResultDiv.textContent = 'N/A';
if (pmiChart) {
pmiChart.data.labels = [];
pmiChart.data.datasets[0].data = [];
pmiChart.data.datasets[1].data = [];
pmiChart.update();
}
var tableBody = document.getElementById('pmiTableBody');
tableBody.innerHTML = '
| Enter details to populate table. |
';
return;
}
// Calculations
var ltv = (currentMortgageBalance / currentAppraisedValue) * 100;
var equity = 100 – ltv;
var annualPMICost = (currentMortgageBalance * pmiRate) / 100;
ltvRatioDiv.textContent = ltv.toFixed(2) + '%';
equityPercentageDiv.textContent = equity.toFixed(2) + '%';
estimatedAnnualPMIDiv.textContent = '$' + annualPMICost.toFixed(2);
var status = 'Continue Payments';
var statusColor = '#ffc107'; // Warning yellow
if (ltv <= 78) {
status = 'Eligible for Automatic Cancellation';
statusColor = 'var(–success-color)';
} else if (ltv <= 80) {
status = 'Eligible to Request Cancellation';
statusColor = 'var(–success-color)';
} else {
status = 'Not Yet Eligible';
}
primaryResultDiv.textContent = status;
primaryResultDiv.style.color = statusColor;
primaryResultDiv.style.borderColor = statusColor;
primaryResultDiv.style.backgroundColor = statusColor === 'var(–success-color)' ? '#e9f7ef' : '#fff3cd';
// Update assumptions display
assumptionLTVDiv.textContent = '80%';
assumptionManualDiv.textContent = '78%';
assumptionLoanTermDiv.textContent = 'Original Term';
// Update chart and table
updateChart(originalLoanAmount, currentMortgageBalance, pmiRate, loanOriginationDateStr);
populateTable(originalLoanAmount, currentMortgageBalance, pmiRate, loanOriginationDateStr);
}
function resetForm() {
originalLoanAmountInput.value = defaultValues.originalLoanAmount;
currentAppraisedValueInput.value = defaultValues.currentAppraisedValue;
currentMortgageBalanceInput.value = defaultValues.currentMortgageBalance;
pmiRateInput.value = defaultValues.pmiRate;
loanOriginationDateInput.value = defaultValues.loanOriginationDate;
pmiCancellationDateInput.value = defaultValues.pmiCancellationDate;
// Clear errors
originalLoanAmountError.style.display = 'none';
currentAppraisedValueError.style.display = 'none';
currentMortgageBalanceError.style.display = 'none';
pmiRateError.style.display = 'none';
loanOriginationDateError.style.display = 'none';
pmiCancellationDateError.style.display = 'none';
calculatePMI(); // Recalculate with default values
}
function copyResults() {
var resultsText = "PMI Removal Summary:\n\n";
resultsText += "LTV Ratio: " + ltvRatioDiv.textContent + "\n";
resultsText += "Your Equity: " + equityPercentageDiv.textContent + "\n";
resultsText += "Estimated Annual PMI Cost: " + estimatedAnnualPMIDiv.textContent + "\n";
resultsText += "PMI Removal Status: " + primaryResultDiv.textContent + "\n\n";
resultsText += "Key Assumptions:\n";
resultsText += "- LTV Threshold for Automatic Cancellation: " + assumptionLTVDiv.textContent + "\n";
resultsText += "- LTV Threshold for Manual Cancellation: " + assumptionManualDiv.textContent + "\n";
resultsText += "- Loan Term Considered: " + assumptionLoanTermDiv.textContent + "\n\n";
resultsText += "Formula Used:\n";
resultsText += "LTV Ratio = (Current Mortgage Balance / Current Home Value) * 100%\n";
resultsText += "PMI Removal is typically possible when LTV is 80% (request) or 78% (automatic).\n";
resultsText += "Estimated Annual PMI Cost = (Current Mortgage Balance * Annual PMI Rate) / 100\n";
// Use a temporary textarea to copy text
var textArea = document.createElement("textarea");
textArea.value = resultsText;
textArea.style.position = "fixed";
textArea.style.left = "-9999px";
document.body.appendChild(textArea);
textArea.focus();
textArea.select();
try {
var successful = document.execCommand('copy');
var msg = successful ? 'Results copied!' : 'Copying failed!';
console.log(msg);
// Optionally show a temporary message to the user
var copyButton = document.querySelector('.copy-btn');
var originalText = copyButton.textContent;
copyButton.textContent = msg;
setTimeout(function() {
copyButton.textContent = originalText;
}, 2000);
} catch (err) {
console.log('Oops, unable to copy');
}
document.body.removeChild(textArea);
}
// Initialize on page load
document.addEventListener('DOMContentLoaded', function() {
resetForm(); // Set default values and calculate
// Ensure chart is initialized only once
if (!chartContext) {
initializeChart();
}
});
// Add event listeners for real-time updates (optional, but good UX)
var inputFields = [
originalLoanAmountInput,
currentAppraisedValueInput,
currentMortgageBalanceInput,
pmiRateInput,
loanOriginationDateInput
];
inputFields.forEach(function(input) {
input.addEventListener('input', calculatePMI);
});