Hecm for Purchase Calculator

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HECM for Purchase Calculator

Estimate your potential HECM loan proceeds and understand the key financial aspects when buying a home with a Home Equity Conversion Mortgage for Purchase.

HECM for Purchase Inputs

Enter the agreed-upon purchase price of the home.
This is a percentage based on age, interest rates, and home value. Consult your loan officer for the exact factor.
Typically 2% of the maximum HECM loan amount. Enter as a decimal (e.g., 0.02 for 2%).
Fixed or percentage-based fees charged by the lender. Enter the total amount.
Includes appraisal, title insurance, recording fees, etc. Enter the total amount.
The amount you wish to receive upfront. This cannot exceed the available HECM proceeds after costs.

HECM for Purchase Results

Estimated Net Proceeds for Home Purchase
Estimated Initial Principal Limit
Total Estimated HECM Costs
Available Funds for Purchase (After Costs)
Amount Needed from Other Sources
Formula: Estimated Net Proceeds = MAX(0, Estimated Initial Principal Limit – Total Estimated HECM Costs)
Results copied to clipboard!

HECM Cost Breakdown

HECM for Purchase Key Assumptions & Calculations
Assumption/Calculation Input/Value Unit Notes
Home Purchase Price Currency The price of the home being purchased.
Initial Principal Limit Factor Decimal Determines the maximum loan amount based on age, rates, and home value.
Upfront MIP Rate Decimal Mortgage Insurance Premium paid upfront.
Origination Fees Currency Lender fees for setting up the HECM.
Other Closing Costs Currency Appraisal, title, recording, etc.
Estimated Initial Principal Limit Currency Calculated: Home Purchase Price * Initial Principal Limit Factor
Calculated Upfront MIP Amount Currency Calculated: Estimated Initial Principal Limit * Upfront MIP Rate
Total Estimated HECM Costs Currency Sum of Upfront MIP, Origination Fees, and Other Closing Costs.
Available Funds for Purchase (After Costs) Currency Calculated: Estimated Initial Principal Limit – Total Estimated HECM Costs
Desired Initial Cash Out Currency Amount the borrower wishes to receive upfront.
Estimated Net Proceeds for Home Purchase Currency Calculated: MAX(0, Available Funds for Purchase – Desired Initial Cash Out)
Amount Needed from Other Sources Currency Calculated: MAX(0, Home Purchase Price – Estimated Net Proceeds for Home Purchase)

What is a HECM for Purchase?

A Home Equity Conversion Mortgage (HECM) for Purchase is a unique reverse mortgage product designed specifically to help seniors purchase a new primary residence. Unlike traditional reverse mortgages that are taken out on an existing home you already own, the HECM for Purchase allows you to use the equity conversion concept to buy a home. This means you can potentially buy a new home without needing to sell your current one, or if you're downsizing, you can use the proceeds from your current home sale combined with a HECM to acquire a more suitable property. The borrower must be 62 or older, and the home must meet FHA HECM requirements. It's crucial to understand that this isn't a loan to buy a second home or investment property; it must be your primary residence. A common misconception is that a HECM for Purchase eliminates all upfront costs, which is incorrect; there are still closing costs, mortgage insurance, and origination fees involved, though they are financed into the loan.

Who Should Consider a HECM for Purchase?

This product is ideal for homeowners aged 62 and older who wish to purchase a new primary residence but may lack sufficient liquid assets for a traditional down payment or want to preserve their savings. It's particularly beneficial for those who:

  • Are selling their current home and want to use the equity to buy a new, smaller, or more accessible property without depleting all their cash reserves.
  • Own their current home outright and want to purchase a new home without taking on a traditional mortgage.
  • Need to supplement their retirement income to afford a new home.
  • Want to remain in their home for the long term without monthly mortgage payments (though property taxes, homeowners insurance, and HOA fees must still be paid).
It's essential to receive counseling from a HUD-approved HECM counselor before proceeding, as this is a complex financial product with specific requirements and implications.

Common Misconceptions about HECM for Purchase

Several myths surround the HECM for Purchase:

  • "It's free money": While there are no monthly mortgage payments required, the loan balance grows over time with accrued interest and fees. The loan must be repaid when the last borrower permanently leaves the home.
  • "You can buy any home": The property must meet FHA standards for HECM eligibility, which includes specific condition and safety requirements.
  • "You keep all the equity": A portion of the home's value is used to cover upfront costs and the initial loan amount, reducing the equity available compared to a cash purchase.

HECM for Purchase Formula and Mathematical Explanation

The core of the HECM for Purchase calculation revolves around determining the maximum loan amount available (Initial Principal Limit) and then subtracting the various costs associated with setting up the HECM and purchasing the home. The goal is to find out how much of the home's purchase price can be covered by the HECM loan after all mandatory expenses are accounted for.

Step-by-Step Derivation

  1. Calculate the Initial Principal Limit (IPL): This is the maximum amount you can borrow initially. It's determined by the youngest borrower's age, the expected interest rate, and the home's appraised value or the purchase price, whichever is less. The formula is typically:
    IPL = Home Value (or Purchase Price, if lower) * Initial Principal Limit Factor
  2. Calculate Upfront Mortgage Insurance Premium (MIP): This is a mandatory FHA insurance premium.
    Upfront MIP = IPL * Upfront MIP Rate
  3. Calculate Total Estimated HECM Costs: This includes the upfront MIP, lender origination fees, and other third-party closing costs.
    Total Estimated HECM Costs = Upfront MIP + Origination Fees + Other Closing Costs
  4. Calculate Available Funds for Purchase: This is the amount remaining from the IPL after deducting all the estimated HECM costs.
    Available Funds for Purchase = IPL - Total Estimated HECM Costs
  5. Calculate Estimated Net Proceeds for Home Purchase: This is the portion of the home's purchase price that the HECM loan can cover after costs. It cannot be negative.
    Estimated Net Proceeds for Home Purchase = MAX(0, Available Funds for Purchase - Desired Initial Cash Out) *Note: The 'Desired Initial Cash Out' is a component that reduces the funds available for the purchase itself, as the borrower takes some cash upfront. If the goal is purely to purchase the home, this might be set to zero or a minimal amount.*
  6. Calculate Amount Needed from Other Sources: This is the remaining portion of the home's purchase price that must be covered by the borrower's own funds.
    Amount Needed from Other Sources = MAX(0, Home Purchase Price - Estimated Net Proceeds for Home Purchase)

Variable Explanations

Here's a breakdown of the key variables used in the HECM for Purchase calculation:

Variable Meaning Unit Typical Range
Home Purchase Price The agreed-upon price for the new home. Currency Varies widely by location and property type.
Initial Principal Limit Factor A percentage determined by FHA guidelines based on the age of the youngest borrower, current interest rates, and the home's value. Decimal (e.g., 0.50) Typically between 0.40 and 0.70, but can vary.
Upfront MIP Rate The rate for the mandatory FHA mortgage insurance premium paid at closing. Decimal (e.g., 0.02) Currently 2% of the initial Principal Limit.
Origination Fees Fees charged by the lender for originating the HECM loan. Capped by FHA. Currency Can be a flat fee or a percentage, capped at $6,000 for most loans.
Other Closing Costs Expenses like appraisal, title insurance, recording fees, survey, etc. Currency Varies, often $2,000 – $5,000+.
Initial Principal Limit (IPL) The maximum loan amount available before costs. Currency Calculated value.
Total Estimated HECM Costs Sum of all upfront costs associated with the HECM. Currency Calculated value.
Available Funds for Purchase The amount of the loan proceeds left after paying HECM costs. Currency Calculated value.
Desired Initial Cash Out Amount the borrower chooses to receive as a lump sum upfront. Currency User input, limited by Available Funds.
Estimated Net Proceeds for Home Purchase The portion of the purchase price covered by the HECM loan after accounting for costs and any cash out. Currency Calculated value.
Amount Needed from Other Sources The remaining balance of the purchase price not covered by the HECM. Currency Calculated value.

Practical Examples (Real-World Use Cases)

Example 1: Downsizing Senior

Scenario: Margaret, age 75, is selling her large family home and wants to buy a smaller, more manageable condo for $300,000. She wants to use a HECM for Purchase to minimize her out-of-pocket expenses and retain some cash for retirement. Her HECM loan officer provides an Initial Principal Limit Factor of 0.58 based on her age and current interest rates. The Upfront MIP is 2%, Origination Fees are estimated at $5,000, and Other Closing Costs are $3,500. Margaret wants $40,000 in cash upfront.

Inputs:

  • Home Purchase Price: $300,000
  • Initial Principal Limit Factor: 0.58
  • Upfront MIP Rate: 0.02
  • Origination Fees: $5,000
  • Other Closing Costs: $3,500
  • Desired Initial Cash Out: $40,000

Calculations:

  • Estimated Initial Principal Limit = $300,000 * 0.58 = $174,000
  • Upfront MIP Amount = $174,000 * 0.02 = $3,480
  • Total Estimated HECM Costs = $3,480 (MIP) + $5,000 (Origination) + $3,500 (Other) = $11,980
  • Available Funds for Purchase = $174,000 – $11,980 = $162,020
  • Estimated Net Proceeds for Home Purchase = MAX(0, $162,020 – $40,000) = $122,020
  • Amount Needed from Other Sources = MAX(0, $300,000 – $122,020) = $177,980

Interpretation: Margaret's HECM for Purchase can cover $122,020 of the condo's purchase price after accounting for all costs and her desired $40,000 cash out. She will need to provide the remaining $177,980 from her savings or sale proceeds of her previous home to complete the purchase.

Example 2: Using HECM to Supplement Retirement Funds

Scenario: John, age 68, wants to buy a $400,000 home. He has $150,000 in savings but wants to preserve as much of it as possible for living expenses. His HECM loan officer determines an Initial Principal Limit Factor of 0.52. The Upfront MIP is 2%, Origination Fees are $6,000 (the maximum allowed), and Other Closing Costs are $4,000. John wants to take the maximum possible cash out after covering the purchase price gap.

Inputs:

  • Home Purchase Price: $400,000
  • Initial Principal Limit Factor: 0.52
  • Upfront MIP Rate: 0.02
  • Origination Fees: $6,000
  • Other Closing Costs: $4,000
  • Desired Initial Cash Out: $0 (initially, to maximize purchase funds)

Calculations:

  • Estimated Initial Principal Limit = $400,000 * 0.52 = $208,000
  • Upfront MIP Amount = $208,000 * 0.02 = $4,160
  • Total Estimated HECM Costs = $4,160 (MIP) + $6,000 (Origination) + $4,000 (Other) = $14,160
  • Available Funds for Purchase = $208,000 – $14,160 = $193,840
  • Estimated Net Proceeds for Home Purchase = MAX(0, $193,840 – $0) = $193,840
  • Amount Needed from Other Sources = MAX(0, $400,000 – $193,840) = $206,160

Interpretation: The HECM loan can cover $193,840 of the purchase price. John needs $206,160 from other sources. Since he has $150,000 in savings, he still needs an additional $56,160. He could either use more savings, negotiate a lower purchase price, or potentially adjust his HECM strategy (e.g., take less cash out if that were an option after covering the purchase gap, though in this scenario, the goal was to maximize purchase funds). If he decided to take $20,000 cash out, the Net Proceeds for Purchase would be $173,840, and he'd need $226,160 from other sources.

How to Use This HECM for Purchase Calculator

Our HECM for Purchase Calculator is designed to provide a quick estimate of the financial implications when buying a home with this specialized reverse mortgage. Follow these simple steps:

  1. Enter Home Purchase Price: Input the exact price you've agreed upon for the new home.
  2. Input Initial Principal Limit Factor: This is a crucial figure provided by your HECM loan officer. It's a percentage reflecting the maximum loan amount based on borrower age, interest rates, and home value. Enter it as a decimal (e.g., 0.55 for 55%).
  3. Specify Upfront MIP Rate: This is typically 2% of the Initial Principal Limit. Enter it as a decimal (e.g., 0.02).
  4. Enter Origination Fees: Input the total amount of fees charged by the lender for setting up the HECM.
  5. Add Other Closing Costs: Include estimates for appraisal, title insurance, recording fees, and any other third-party costs.
  6. Determine Desired Initial Cash Out: Decide if you want to receive a lump sum of cash upfront. Enter the amount here. If your primary goal is to maximize the funds available for the home purchase, you might enter $0 or a minimal amount.
  7. Click 'Calculate HECM': The calculator will instantly process your inputs.

How to Read Results

  • Estimated Initial Principal Limit: The maximum loan amount your HECM could provide before costs.
  • Total Estimated HECM Costs: The sum of upfront MIP, origination fees, and other closing costs.
  • Available Funds for Purchase (After Costs): How much of the loan proceeds are left to apply towards the home's purchase price after all HECM expenses.
  • Estimated Net Proceeds for Home Purchase: The portion of the purchase price the HECM loan effectively covers.
  • Amount Needed from Other Sources: The remaining balance of the purchase price you'll need to cover with your own funds.
  • Primary Highlighted Result: This shows the 'Estimated Net Proceeds for Home Purchase', indicating the HECM's contribution to the purchase.

Decision-Making Guidance

Use the 'Amount Needed from Other Sources' figure to assess affordability. If this amount is higher than your available savings or other funds, you may need to reconsider the purchase price, explore alternative financing, or discuss options with your HECM counselor and loan officer. The calculator helps you understand the trade-offs between taking cash out upfront versus applying more funds towards the home purchase itself.

Key Factors That Affect HECM for Purchase Results

Several elements significantly influence the outcome of a HECM for Purchase calculation. Understanding these factors is crucial for accurate planning:

  1. Age of the Youngest Borrower: HECM eligibility and the principal limit are directly tied to the age of the youngest borrower. Older borrowers generally qualify for higher principal limits, as they are expected to utilize the loan for a shorter period.
  2. Current Interest Rates: The expected interest rate used in the HECM calculation impacts the principal limit. Lower interest rates generally result in a higher principal limit, making more funds available.
  3. Home Value / Purchase Price: The principal limit is calculated based on the lower of the home's appraised value or the purchase price. A higher value or price potentially allows for a larger loan, assuming other factors remain constant.
  4. Initial Principal Limit Factor: This is a direct output of the age and interest rate calculations, provided by FHA guidelines. It's the multiplier applied to the home value to determine the maximum loan amount. A higher factor means more available funds.
  5. Upfront Mortgage Insurance Premium (MIP): Currently set at 2% of the initial principal limit, this is a significant cost that reduces the net proceeds available for the purchase. A higher principal limit results in a higher MIP cost.
  6. Origination Fees and Closing Costs: These lender and third-party fees directly reduce the amount of money available to apply towards the home purchase. While capped by FHA, they represent a substantial portion of the upfront expenses.
  7. Desired Initial Cash Out: Any lump sum amount taken by the borrower reduces the funds that can be applied directly to the home's purchase price. Balancing immediate cash needs with the goal of purchasing the home is key.
  8. Property Type and Condition: The home must meet FHA's stringent property standards for HECM eligibility. If repairs are needed, these costs must be factored in separately, as the HECM funds are primarily for the purchase price after closing costs.

Frequently Asked Questions (FAQ)

Q1: Can I use a HECM for Purchase to buy a second home?

A1: No, the HECM for Purchase program is strictly for acquiring your primary residence. The home purchased must be the one you intend to live in full-time.

Q2: What happens to the loan when I sell the home or permanently move out?

A2: The HECM loan becomes due and payable. The loan balance, including accrued interest and MIP, must be repaid from the sale proceeds. Heirs can choose to repay the loan balance or sell the home. If the sale proceeds exceed the loan balance, the remaining equity goes to the heirs.

Q3: Do I still have to pay property taxes and homeowners insurance?

A3: Yes. While you don't make monthly mortgage payments, you are still responsible for paying property taxes, homeowners insurance, and maintaining the home. Failure to do so can lead to loan default.

Q4: How is the Initial Principal Limit Factor determined?

A4: The factor is calculated by FHA based on the age of the youngest borrower, the current expected mortgage interest rate, and the home's value (or purchase price). Your HECM loan officer will use specific FHA formulas to determine this.

Q5: Can I use my existing home's equity with a HECM for Purchase?

A5: Not directly. The HECM for Purchase is tied to the *new* home you are buying. If you are selling your current home, you can use the net proceeds from that sale towards the purchase of the new home, potentially reducing the amount needed from the HECM or other sources.

Q6: What if the home's appraised value is less than the purchase price?

A6: The Initial Principal Limit is calculated based on the *lower* of the appraised value or the purchase price. If the appraisal comes in low, your maximum loan amount will be based on that lower value, potentially increasing the amount you need from other sources.

Q7: Is HECM counseling required?

A7: Yes, all potential HECM borrowers, including those using the HECM for Purchase program, must receive counseling from a HUD-approved HECM counselor before applying for the loan. This ensures you understand the product's features, costs, and obligations.

Q8: Can the HECM loan amount cover the entire purchase price?

A8: Rarely. The HECM loan amount (Initial Principal Limit) must first cover all upfront costs like MIP, origination fees, and closing costs. The remaining funds are then applied to the purchase price. You will almost always need additional funds from savings or other sources to cover the full purchase price.

Related Tools and Internal Resources

var chartInstance = null; function formatCurrency(amount) { if (isNaN(amount) || amount === null) return "–"; return "$" + amount.toFixed(2).replace(/\d(?=(\d{3})+\.)/g, '$&,'); } function formatDecimal(amount) { if (isNaN(amount) || amount === null) return "–"; return amount.toFixed(4); } function validateInput(id, min, max, isDecimal = false) { var input = document.getElementById(id); var errorElement = document.getElementById(id + "Error"); var value = parseFloat(input.value); errorElement.innerText = ""; errorElement.classList.remove("visible"); input.style.borderColor = "#ced4da"; if (input.value.trim() === "") { errorElement.innerText = "This field is required."; errorElement.classList.add("visible"); input.style.borderColor = "#dc3545"; return false; } if (isNaN(value)) { errorElement.innerText = "Please enter a valid number."; errorElement.classList.add("visible"); input.style.borderColor = "#dc3545"; return false; } if (value max) { errorElement.innerText = "Value exceeds maximum allowed."; errorElement.classList.add("visible"); input.style.borderColor = "#dc3545"; return false; } if (isDecimal && (value 1)) { errorElement.innerText = "Please enter a decimal between 0 and 1."; errorElement.classList.add("visible"); input.style.borderColor = "#dc3545"; return false; } return true; } function calculateHECM() { var isValid = true; isValid = validateInput("homePrice", 0) && isValid; isValid = validateInput("initialPrincipalLimit", 0, 1, true) && isValid; // Factor should be between 0 and 1 isValid = validateInput("upfrontMortgageInsurance", 0, 1, true) && isValid; // Rate should be between 0 and 1 isValid = validateInput("originationFees", 0) && isValid; isValid = validateInput("otherClosingCosts", 0) && isValid; isValid = validateInput("initialCashOut", 0) && isValid; if (!isValid) { document.getElementById("results-output").style.display = "none"; return; } var homePrice = parseFloat(document.getElementById("homePrice").value); var initialPLFactor = parseFloat(document.getElementById("initialPrincipalLimit").value); var upfrontMIPRate = parseFloat(document.getElementById("upfrontMortgageInsurance").value); var originationFees = parseFloat(document.getElementById("originationFees").value); var otherClosingCosts = parseFloat(document.getElementById("otherClosingCosts").value); var desiredCashOut = parseFloat(document.getElementById("initialCashOut").value); // Ensure home value used for PL calculation is not less than purchase price if PL factor is applied to home value // For HECM for Purchase, PL is typically based on purchase price or appraised value, whichever is less. // Assuming purchase price is the basis here for simplicity, but a real scenario would use appraised value if lower. var plBasis = homePrice; var estimatedPrincipalLimit = plBasis * initialPLFactor; var calculatedUpfrontMIP = estimatedPrincipalLimit * upfrontMIPRate; var totalHECMCosts = calculatedUpfrontMIP + originationFees + otherClosingCosts; var availableFundsForPurchase = estimatedPrincipalLimit – totalHECMCosts; var netProceedsForPurchase = Math.max(0, availableFundsForPurchase – desiredCashOut); var neededFromOtherSources = Math.max(0, homePrice – netProceedsForPurchase); document.getElementById("estimatedPrincipalLimit").innerText = formatCurrency(estimatedPrincipalLimit); document.getElementById("totalCosts").innerText = formatCurrency(totalHECMCosts); document.getElementById("availableFunds").innerText = formatCurrency(availableFundsForPurchase); document.getElementById("primaryResult").innerText = formatCurrency(netProceedsForPurchase); document.getElementById("neededFromOtherSources").innerText = formatCurrency(neededFromOtherSources); document.getElementById("results-output").style.display = "block"; // Update table document.getElementById("tableHomePrice").innerText = formatCurrency(homePrice); document.getElementById("tableInitialPLFactor").innerText = formatDecimal(initialPLFactor); document.getElementById("tableUpfrontMIPRate").innerText = formatDecimal(upfrontMIPRate); document.getElementById("tableOriginationFees").innerText = formatCurrency(originationFees); document.getElementById("tableOtherClosingCosts").innerText = formatCurrency(otherClosingCosts); document.getElementById("tableDesiredCashOut").innerText = formatCurrency(desiredCashOut); document.getElementById("tableEstimatedPL").innerText = formatCurrency(estimatedPrincipalLimit); document.getElementById("tableCalculatedUpfrontMIP").innerText = formatCurrency(calculatedUpfrontMIP); document.getElementById("tableTotalCosts").innerText = formatCurrency(totalHECMCosts); document.getElementById("tableAvailableFunds").innerText = formatCurrency(availableFundsForPurchase); document.getElementById("tableNetProceeds").innerText = formatCurrency(netProceedsForPurchase); document.getElementById("tableNeededFromOtherSources").innerText = formatCurrency(neededFromOtherSources); updateChart( estimatedPrincipalLimit, calculatedUpfrontMIP, originationFees, otherClosingCosts, desiredCashOut // This isn't directly a cost, but affects net proceeds ); } function resetCalculator() { document.getElementById("homePrice").value = "300000"; document.getElementById("initialPrincipalLimit").value = "0.58"; document.getElementById("upfrontMortgageInsurance").value = "0.02"; document.getElementById("originationFees").value = "5000"; document.getElementById("otherClosingCosts").value = "3500"; document.getElementById("initialCashOut").value = "40000"; // Clear errors var errorElements = document.querySelectorAll(".error-message"); for (var i = 0; i < errorElements.length; i++) { errorElements[i].innerText = ""; errorElements[i].classList.remove("visible"); } var inputs = document.querySelectorAll("input, select"); for (var i = 0; i < inputs.length; i++) { inputs[i].style.borderColor = "#ced4da"; } // Reset results display document.getElementById("estimatedPrincipalLimit").innerText = "–"; document.getElementById("totalCosts").innerText = "–"; document.getElementById("availableFunds").innerText = "–"; document.getElementById("primaryResult").innerText = "–"; document.getElementById("neededFromOtherSources").innerText = "–"; document.getElementById("results-output").style.display = "none"; document.getElementById("results-copy-message").style.display = "none"; // Reset table var tableCells = document.querySelectorAll("#assumptionTableBody td"); for (var i = 0; i < tableCells.length; i++) { tableCells[i].innerText = "–"; } // Reset chart if (chartInstance) { chartInstance.destroy(); chartInstance = null; } var ctx = document.getElementById("hecmCostChart").getContext("2d"); ctx.clearRect(0, 0, ctx.canvas.width, ctx.canvas.height); document.getElementById("chartLegend").innerHTML = ""; // Trigger calculation with default values calculateHECM(); } function copyResults() { var resultsText = "HECM for Purchase Results:\n\n"; resultsText += "Estimated Net Proceeds for Home Purchase: " + document.getElementById("primaryResult").innerText + "\n"; resultsText += "Estimated Initial Principal Limit: " + document.getElementById("estimatedPrincipalLimit").innerText + "\n"; resultsText += "Total Estimated HECM Costs: " + document.getElementById("totalCosts").innerText + "\n"; resultsText += "Available Funds for Purchase (After Costs): " + document.getElementById("availableFunds").innerText + "\n"; resultsText += "Amount Needed from Other Sources: " + document.getElementById("neededFromOtherSources").innerText + "\n\n"; resultsText += "Key Assumptions & Calculations:\n"; var tableRows = document.querySelectorAll("#assumptionTableBody tr"); for (var i = 0; i < tableRows.length; i++) { var cells = tableRows[i].querySelectorAll("td"); if (cells.length === 3) { // Ensure it's a data row resultsText += cells[0].innerText + ": " + cells[1].innerText + " (" + cells[2].innerText + ")\n"; } } navigator.clipboard.writeText(resultsText).then(function() { var copyMessage = document.getElementById("results-copy-message"); copyMessage.style.display = "block"; setTimeout(function() { copyMessage.style.display = "none"; }, 3000); }).catch(function(err) { console.error("Failed to copy results: ", err); alert("Failed to copy results. Please copy manually."); }); } function updateChart(ipl, upfrontMIP, origination, otherCosts, cashOut) { var ctx = document.getElementById("hecmCostChart").getContext("2d"); // Destroy previous chart instance if it exists if (chartInstance) { chartInstance.destroy(); } // Calculate values for chart segments var totalHECMCosts = upfrontMIP + origination + otherCosts; var fundsAppliedToPurchase = Math.max(0, ipl – totalHECMCosts – cashOut); var remainingIPL = Math.max(0, ipl – totalHECMCosts – fundsAppliedToPurchase – cashOut); // Should ideally be 0 if calculations are correct var chartData = { labels: ['Initial Principal Limit', 'Total HECM Costs', 'Funds Applied to Purchase', 'Desired Cash Out'], datasets: [{ label: 'HECM Allocation', data: [ipl, totalHECMCosts, fundsAppliedToPurchase, cashOut], backgroundColor: [ 'rgba(0, 74, 153, 0.7)', // Primary Color for IPL 'rgba(220, 53, 69, 0.7)', // Danger Color for Costs 'rgba(40, 167, 69, 0.7)', // Success Color for Purchase Funds 'rgba(255, 193, 7, 0.7)' // Warning Color for Cash Out ], borderColor: [ 'rgba(0, 74, 153, 1)', 'rgba(220, 53, 69, 1)', 'rgba(40, 167, 69, 1)', 'rgba(255, 193, 7, 1)' ], borderWidth: 1 }] }; chartInstance = new Chart(ctx, { type: 'doughnut', // Using doughnut for a clear visual breakdown data: chartData, options: { responsive: true, maintainAspectRatio: false, plugins: { legend: { position: 'bottom', labels: { generateLabels: function(chart) { var data = chart.data; if (data.labels.length && data.datasets.length) { return data.labels.map(function(label, i) { var dataset = data.datasets[0]; var value = dataset.data[i]; var percentage = ((value / ipl) * 100).toFixed(1); return { text: label + ' (' + percentage + '%)', fillStyle: dataset.backgroundColor[i], strokeStyle: dataset.borderColor[i], lineWidth: dataset.borderWidth, hidden: !chart.isDatasetVisible(0), index: i }; }); } return []; } } }, tooltip: { callbacks: { label: function(tooltipItem) { var label = tooltipItem.label || ''; if (label) { label += ': '; } var value = tooltipItem.raw; label += formatCurrency(value); return label; } } } } } }); // Manually create legend HTML var legendHtml = '
    '; chartData.labels.forEach((label, i) => { var percentage = ((chartData.datasets[0].data[i] / ipl) * 100).toFixed(1); legendHtml += `
  • ${label} (${percentage}%)
  • `; }); legendHtml += '
'; document.getElementById('chartLegend').innerHTML = legendHtml; } // Initial calculation on page load with default values document.addEventListener("DOMContentLoaded", function() { resetCalculator(); // Load defaults and calculate });

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