Car Lease Calculator
Calculate your exact monthly car lease payment, uncover hidden money factor markups, and see your total drive-off cost before you set foot in a dealership.
| Month | Total Payment | Depreciation | Rent (Interest) | Tax | Remaining Cap Balance |
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How to Use This Calculator
- Enter Vehicle Pricing: Input the vehicle's original MSRP (sticker price) and your negotiated selling price (gross capitalized cost) after all dealer discounts and factory rebates.
- Input Down Payment and Terms: Enter any cash down payment or positive trade-in value, select your lease term (typically 36 months), and set the lender's residual percentage.
- Check Financing Rate: Type in either the dealer's quoted money factor (e.g., 0.0025) or the equivalent interest rate (APR e.g., 6.0%). Our smart input will automatically calculate the other.
- Review Drive-Off and Total Costs: See your exact monthly payment with tax, verify the monthly finance fee (rent charge), and inspect the total drive-off cash required at lease signing.
The Formula
A monthly car lease payment consists of two distinct mathematical components plus local sales tax: the Monthly Depreciation Fee (the vehicle's lost value) and the Monthly Rent Charge (the lender's finance fee).
Net Cap Cost = Negotiated Price - Down Payment + (Rolled-in Fees)
2. Residual Value:
Residual Value = MSRP × Residual Percentage
3. Monthly Depreciation Charge:
Monthly Depreciation = (Net Cap Cost - Residual Value) ÷ Lease Term (Months)
4. Monthly Rent Charge (Interest / Finance Fee):
Monthly Rent Charge = (Net Cap Cost + Residual Value) × Money Factor
5. Total Monthly Lease Payment:
Monthly Payment = (Monthly Depreciation + Monthly Rent Charge) × (1 + Sales Tax Rate)
6. Money Factor to APR Conversion:
Equivalent APR (%) = Money Factor × 2,400
Example: Leasing a $40,000 SUV for 36 Months
Suppose you are negotiating a 36-month lease on a new SUV with an MSRP of $40,000. The dealership agrees to a discounted selling price of $37,500. You put down $2,500 in cash, roll an $850 acquisition fee into the lease, and negotiate a money factor of 0.0025 (which equals 6.00% APR). The manufacturer specifies a 58% residual value, and your local sales tax rate is 7.00%.
- Net Capitalized Cost: $37,500 - $2,500 + $850 = $35,850.00
- Residual Value: $40,000 × 58% = $23,200.00
- Monthly Depreciation: ($35,850 - $23,200) ÷ 36 = $351.39
- Monthly Rent Charge: ($35,850 + $23,200) × 0.0025 = $59,050 × 0.0025 = $147.63
- Pre-Tax Monthly Payment: $351.39 + $147.63 = $499.01
- Monthly Sales Tax: $499.01 × 7.00% = $34.93
- Total Monthly Payment: $499.01 + $34.93 = $533.94
- Due at Signing: $2,500 (down payment) + $533.94 (first month's payment) = $3,033.94
- Total Lease Out-of-Pocket: $3,033.94 + (35 × $533.94) = $21,721.84
By breaking down every component before setting foot in the showroom, you know the exact base numbers, preventing dealers from hiding inflated interest margins inside an ambiguous monthly payment quote.
Frequently Asked Questions
What is a money factor and how do I convert it to an APR?
The money factor (or lease factor) is a decimal fraction used by auto finance companies to calculate monthly lease interest. To convert any money factor to an annual percentage rate (APR), multiply it by 2,400. For instance, a money factor of 0.0025 multiplied by 2,400 equals 6.00% APR.
Can you negotiate the money factor on a car lease?
Yes. Automotive lenders supply dealerships with a wholesale "buy rate" based on your credit tier, but dealers frequently mark up that factor by several basis points to pocket extra dealer profit. You should always ask the dealer for the wholesale buy rate and negotiate to remove dealer markups.
Should I put money down on a car lease?
Financial advisors generally recommend putting zero down (or as little as possible) on a lease. If the vehicle is totaled in an accident or stolen during the lease term, gap insurance pays off the remaining lease balance to the lender, but your upfront down payment cash is typically non-refundable and lost.
What is vehicle residual value and how is it determined?
Residual value is the predicted wholesale market value of the car when your lease concludes, established by the lender's financial analysts as a percentage of the initial MSRP. Vehicles with higher residual percentages suffer less depreciation over the term, resulting in significantly lower monthly lease payments.
What happens if I exceed my annual lease mileage limit?
Most standard consumer leases include an annual mileage allowance of 10,000, 12,000, or 15,000 miles. If you return the vehicle at lease end with excess miles, the financing company charges an overage penalty, typically ranging between $0.15 and $0.25 per excess mile, which is billed as a final turn-in fee.