.lease-calc-header { background-color: #1a73e8; color: #ffffff; padding: 25px; text-align: center; }
.lease-calc-header h2 { margin: 0; font-size: 28px; color: #fff; }
.lease-calc-body { padding: 30px; display: flex; flex-wrap: wrap; gap: 20px; }
.lease-calc-input-group { flex: 1 1 300px; }
.lease-calc-field { margin-bottom: 15px; }
.lease-calc-field label { display: block; font-weight: 600; margin-bottom: 5px; font-size: 14px; }
.lease-calc-field input { width: 100%; padding: 12px; border: 1px solid #ccc; border-radius: 4px; font-size: 16px; box-sizing: border-box; }
.lease-calc-result-box { flex: 1 1 300px; background-color: #f8f9fa; border-radius: 8px; padding: 25px; border: 1px solid #dee2e6; display: flex; flex-direction: column; justify-content: center; }
.lease-calc-result-item { text-align: center; margin-bottom: 15px; }
.lease-calc-result-label { font-size: 16px; color: #5f6368; }
.lease-calc-result-value { font-size: 36px; font-weight: 700; color: #1a73e8; margin-top: 5px; }
.lease-calc-btn { background-color: #1a73e8; color: #fff; border: none; padding: 15px 30px; font-size: 18px; font-weight: 600; border-radius: 4px; cursor: pointer; width: 100%; transition: background 0.3s; }
.lease-calc-btn:hover { background-color: #1557b0; }
.lease-calc-details { margin-top: 20px; font-size: 14px; color: #666; border-top: 1px solid #eee; padding-top: 15px; }
.lease-content-section { padding: 30px; background-color: #fff; border-top: 1px solid #eee; }
.lease-content-section h3 { color: #1a73e8; margin-top: 25px; }
.lease-content-section table { width: 100%; border-collapse: collapse; margin: 20px 0; }
.lease-content-section th, .lease-content-section td { text-align: left; padding: 12px; border-bottom: 1px solid #eee; }
.lease-content-section th { background-color: #f8f9fa; }
@media (max-width: 600px) { .lease-calc-body { flex-direction: column; } }
function calculateLeasePayment() {
var msrp = parseFloat(document.getElementById('carMsrp').value);
var downPayment = parseFloat(document.getElementById('carDownPayment').value) || 0;
var tradeIn = parseFloat(document.getElementById('carTradeIn').value) || 0;
var residualPercent = parseFloat(document.getElementById('carResidual').value);
var term = parseFloat(document.getElementById('carTerm').value);
var moneyFactor = parseFloat(document.getElementById('carMoneyFactor').value);
var salesTax = parseFloat(document.getElementById('carTax').value) || 0;
if (!msrp || !residualPercent || !term || !moneyFactor) {
alert("Please fill in all required fields with valid numbers.");
return;
}
// 1. Calculate Adjusted Capitalized Cost
var capCost = msrp – downPayment – tradeIn;
// 2. Calculate Residual Value
var residualValue = msrp * (residualPercent / 100);
// 3. Monthly Depreciation
// Formula: (Cap Cost – Residual Value) / Term
var monthlyDepreciation = (capCost – residualValue) / term;
if (monthlyDepreciation < 0) {
document.getElementById('leaseMonthlyResult').innerText = "Error";
alert("Residual value cannot be higher than the capitalized cost. Check your inputs.");
return;
}
// 4. Monthly Rent Charge (Interest)
// Formula: (Cap Cost + Residual Value) * Money Factor
var monthlyRent = (capCost + residualValue) * moneyFactor;
// 5. Base Monthly Payment
var basePayment = monthlyDepreciation + monthlyRent;
// 6. Monthly Payment with Tax
var totalMonthly = basePayment * (1 + (salesTax / 100));
// Display Results
document.getElementById('leaseMonthlyResult').innerText = "$" + totalMonthly.toLocaleString(undefined, {minimumFractionDigits: 2, maximumFractionDigits: 2});
document.getElementById('depreciationVal').innerText = "$" + monthlyDepreciation.toLocaleString(undefined, {minimumFractionDigits: 2, maximumFractionDigits: 2});
document.getElementById('rentVal').innerText = "$" + monthlyRent.toLocaleString(undefined, {minimumFractionDigits: 2, maximumFractionDigits: 2});
document.getElementById('capCostVal').innerText = "$" + capCost.toLocaleString(undefined, {minimumFractionDigits: 0, maximumFractionDigits: 0});
}
// Initialize calculation on load
window.onload = function() {
calculateLeasePayment();
};
Car Lease Calculator
Estimated Monthly Payment
$0.00
Depreciation/mo: $0.00
Rent Charge/mo: $0.00
Total Cap Cost: $0.00
How to Calculate Your Car Lease Payment
Leasing a car is fundamentally different from buying one. When you buy, you pay for the entire value of the vehicle. When you lease, you are essentially paying for the depreciation of the vehicle during the time you drive it, plus interest and fees.
Our Car Lease Calculator uses the industry-standard formula to break down your costs into three main components: Depreciation, Rent Charge (interest), and Taxes.
Key Lease Terms Explained
- MSRP: The Manufacturer's Suggested Retail Price. This is the starting point for negotiations.
- Residual Value: The estimated value of the car at the end of the lease. If a $45,000 car has a 60% residual after 3 years, it is expected to be worth $27,000.
- Money Factor: This is the interest rate for a lease. To convert it to a standard APR, multiply the money factor by 2400 (e.g., 0.0025 * 2400 = 6% APR).
- Capitalized Cost: The "price" of the car after down payments and trade-ins are subtracted from the agreed-upon sales price.
Real-World Example
Imagine you are leasing a luxury SUV with the following details:
| Metric | Value |
|---|---|
| Vehicle Price (MSRP) | $50,000 |
| Down Payment | $5,000 |
| Lease Term | 36 Months |
| Residual Value | 55% ($27,500) |
| Money Factor | 0.00225 (5.4% APR) |
In this scenario, you are paying for the $17,500 difference between the cap cost ($45,000) and the residual value ($27,500) over 36 months, plus the rent charge and tax.
Strategies to Lower Your Monthly Payment
To get the lowest possible lease payment, consider these factors:
- Negotiate the Sale Price: Don't just accept the MSRP. The lower the "Gross Capitalized Cost," the lower your depreciation payment.
- Check for High Residuals: Cars that hold their value well (like certain trucks and Japanese SUVs) often have lower lease payments because the depreciation gap is smaller.
- Improve Your Credit: The Money Factor is heavily dependent on your credit score. A higher score unlocks lower money factors.
- Security Deposits: Some manufacturers offer "Multiple Security Deposits" (MSDs) which can lower your money factor in exchange for an upfront refundable deposit.