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Car Lease Payment Calculator

Estimate your monthly lease costs and total depreciation

(APR / 2400)

Lease Summary

Estimated Monthly Payment: $0.00
Depreciation Fee (Monthly): $0.00
Rent Charge (Monthly Interest): $0.00
Residual Value (Buyout Price): $0.00
Total Net Capitalized Cost: $0.00

How to Use the Car Lease Calculator

Calculating a car lease is more complex than a standard loan because you are only paying for the vehicle's depreciation during the time you drive it, plus finance charges and taxes. This calculator helps you break down the "hidden" numbers in a lease contract.

Key Leasing Terms Explained

  • MSRP / Negotiated Price: The sticker price of the car or the lower price you've negotiated with the dealer.
  • Money Factor: This is the interest rate for the lease. To convert it to a standard APR, multiply the money factor by 2400. For example, a 0.00125 money factor equals a 3% APR.
  • Residual Value: The estimated value of the car at the end of the lease term. This is set by the leasing company and is usually non-negotiable.
  • Net Capitalized Cost: The final amount being financed after subtracting your down payment and trade-in from the negotiated price.

The Lease Calculation Formula

A lease payment consists of two primary parts:

  1. Monthly Depreciation: (Net Cap Cost – Residual Value) / Lease Term
  2. Monthly Rent Charge: (Net Cap Cost + Residual Value) * Money Factor

The sum of these two figures gives you your base monthly payment (excluding taxes and local fees).

Example Calculation

If you lease a car for $35,000 with a 60% residual ($21,000) over 36 months, and put $3,000 down:

  • Net Cap Cost: $32,000
  • Depreciation: ($32,000 – $21,000) / 36 = $305.56
  • Rent Charge (assuming 0.0015 MF): ($32,000 + $21,000) * 0.0015 = $79.50
  • Total Monthly Payment: $385.06
function calculateLease() { var msrp = parseFloat(document.getElementById("msrp").value); var downPayment = parseFloat(document.getElementById("downPayment").value) || 0; var tradeIn = parseFloat(document.getElementById("tradeIn").value) || 0; var term = parseFloat(document.getElementById("leaseTerm").value); var moneyFactor = parseFloat(document.getElementById("moneyFactor").value); var residualPercent = parseFloat(document.getElementById("residualPercent").value); if (isNaN(msrp) || isNaN(term) || isNaN(moneyFactor) || isNaN(residualPercent) || term <= 0) { alert("Please enter all required fields with valid numbers."); return; } // 1. Calculate Net Capitalized Cost var netCapCost = msrp – downPayment – tradeIn; // 2. Calculate Residual Value in Dollars var residualDollar = msrp * (residualPercent / 100); // 3. Calculate Monthly Depreciation var monthlyDepreciation = (netCapCost – residualDollar) / term; // 4. Calculate Monthly Rent Charge (Interest) // Formula: (Net Cap Cost + Residual Value) * Money Factor var monthlyRentCharge = (netCapCost + residualDollar) * moneyFactor; // 5. Total Payment var totalPayment = monthlyDepreciation + monthlyRentCharge; // Display Results document.getElementById("leaseResult").style.display = "block"; document.getElementById("monthlyPayment").innerText = "$" + totalPayment.toLocaleString(undefined, {minimumFractionDigits: 2, maximumFractionDigits: 2}); document.getElementById("monthlyDepreciation").innerText = "$" + monthlyDepreciation.toLocaleString(undefined, {minimumFractionDigits: 2, maximumFractionDigits: 2}); document.getElementById("monthlyFinance").innerText = "$" + monthlyRentCharge.toLocaleString(undefined, {minimumFractionDigits: 2, maximumFractionDigits: 2}); document.getElementById("residualDollar").innerText = "$" + residualDollar.toLocaleString(undefined, {minimumFractionDigits: 2, maximumFractionDigits: 2}); document.getElementById("netCapCost").innerText = "$" + netCapCost.toLocaleString(undefined, {minimumFractionDigits: 2, maximumFractionDigits: 2}); // Scroll to result document.getElementById("leaseResult").scrollIntoView({ behavior: 'smooth', block: 'nearest' }); }

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