Loan Calculator Best Rates

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.lease-calc-container { font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif; max-width: 800px; margin: 20px auto; padding: 30px; background-color: #ffffff; border: 1px solid #e1e4e8; border-radius: 12px; box-shadow: 0 4px 12px rgba(0,0,0,0.05); color: #333; } .lease-calc-header { text-align: center; margin-bottom: 30px; } .lease-calc-header h2 { color: #1a73e8; margin-bottom: 10px; } .lease-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; margin-bottom: 25px; } .lease-input-group { display: flex; flex-direction: column; } .lease-input-group label { font-weight: 600; margin-bottom: 8px; font-size: 14px; color: #555; } .lease-input-group input { padding: 12px; border: 1px solid #ccc; border-radius: 6px; font-size: 16px; } .lease-calc-btn { width: 100%; background-color: #1a73e8; color: white; padding: 15px; border: none; border-radius: 6px; font-size: 18px; font-weight: bold; cursor: pointer; transition: background-color 0.3s; } .lease-calc-btn:hover { background-color: #1557b0; } .lease-result-box { margin-top: 30px; padding: 20px; background-color: #f8f9fa; border-radius: 8px; text-align: center; display: none; } .lease-result-value { font-size: 32px; font-weight: 800; color: #2e7d32; margin: 10px 0; } .lease-breakdown { margin-top: 15px; font-size: 14px; text-align: left; line-height: 1.6; border-top: 1px solid #ddd; padding-top: 15px; } .lease-article { margin-top: 40px; line-height: 1.8; color: #444; } .lease-article h3 { color: #222; margin-top: 25px; } @media (max-width: 600px) { .lease-grid { grid-template-columns: 1fr; } }

Advanced Car Lease Payment Calculator

Estimate your monthly car lease payments using the industry-standard formula.

Estimated Total Monthly Payment
$0.00

How Car Lease Payments are Calculated

Unlike a traditional car loan where you pay for the entire value of the vehicle plus interest, a lease payment is primarily based on the depreciation of the car over the term of the lease. Here are the core components of the calculation:

  • Gross Capitalized Cost: The agreed-upon price of the vehicle, plus any added fees or taxes you choose to finance.
  • Capitalized Cost Reductions: This includes your down payment, trade-in value, and any manufacturer rebates. Subtracting this from the Gross Cap Cost gives you the Adjusted Capitalized Cost.
  • Residual Value: This is the predicted value of the car at the end of the lease term, expressed as a percentage of the original MSRP.
  • Money Factor: This is the lease version of an interest rate. To convert a Money Factor to an APR, multiply it by 2,400. For example, a .00125 money factor equals a 3.0% APR.

The Three-Step Formula

1. Monthly Depreciation: (Adjusted Cap Cost – Residual Value) / Lease Term

2. Monthly Rent Charge: (Adjusted Cap Cost + Residual Value) * Money Factor

3. Total Payment: (Depreciation + Rent Charge) + Sales Tax

Example Calculation

Imagine a car with an MSRP of $40,000 and a sales price of $38,000. You put $2,000 down. The 36-month residual is 60% ($24,000), and the money factor is 0.0015. Your depreciation is ($36,000 – $24,000) / 36 = $333.33. Your rent charge is ($36,000 + $24,000) * 0.0015 = $90.00. Before tax, your payment is $423.33.

function calculateLease() { // Get values from inputs var msrp = parseFloat(document.getElementById("msrp").value) || 0; var salesPrice = parseFloat(document.getElementById("salesPrice").value) || 0; var downPayment = parseFloat(document.getElementById("downPayment").value) || 0; var tradeIn = parseFloat(document.getElementById("tradeIn").value) || 0; var term = parseFloat(document.getElementById("leaseTerm").value) || 1; var mf = parseFloat(document.getElementById("moneyFactor").value) || 0; var residualPercent = parseFloat(document.getElementById("residualValue").value) || 0; var taxRate = parseFloat(document.getElementById("salesTax").value) || 0; // Validate inputs if (salesPrice <= 0 || term <= 0) { alert("Please enter valid car price and term length."); return; } // Calculations var adjCapCost = salesPrice – downPayment – tradeIn; var resValueAmt = msrp * (residualPercent / 100); // 1. Depreciation Fee var depreciationFee = (adjCapCost – resValueAmt) / term; if (depreciationFee < 0) depreciationFee = 0; // 2. Rent Charge (Finance Fee) var rentCharge = (adjCapCost + resValueAmt) * mf; // 3. Base Payment var basePayment = depreciationFee + rentCharge; // 4. Total Payment with Tax var taxAmount = basePayment * (taxRate / 100); var totalPayment = basePayment + taxAmount; // Display Result document.getElementById("leaseResultBox").style.display = "block"; document.getElementById("monthlyPaymentResult").innerHTML = "$" + totalPayment.toLocaleString(undefined, {minimumFractionDigits: 2, maximumFractionDigits: 2}); // Detailed Breakdown var breakdownHtml = "Financial Breakdown:"; breakdownHtml += "Adjusted Cap Cost: $" + adjCapCost.toLocaleString() + ""; breakdownHtml += "Residual Value: $" + resValueAmt.toLocaleString() + " (" + residualPercent + "%)"; breakdownHtml += "Monthly Depreciation: $" + depreciationFee.toFixed(2) + ""; breakdownHtml += "Monthly Rent Charge: $" + rentCharge.toFixed(2) + ""; breakdownHtml += "Monthly Sales Tax: $" + taxAmount.toFixed(2) + ""; breakdownHtml += "Equivalent APR: " + (mf * 2400).toFixed(2) + "%"; document.getElementById("leaseBreakdown").innerHTML = breakdownHtml; // Scroll to results on mobile document.getElementById("leaseResultBox").scrollIntoView({ behavior: 'smooth', block: 'nearest' }); }

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