Auto Lease Calculator
Break any lease offer into its two real components, depreciation fee and finance fee, and see the implied APR so you can compare leasing against buying honestly.
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Enter your values above to see the results.
Tips & Notes
- ✓Convert the money factor to APR by multiplying by 2,400 — a money factor of 0.0025 equals 6% APR, which lets you compare lease finance cost honestly.
- ✓Negotiate the capitalized cost (selling price) before discussing lease terms — the dealer can hide a high selling price inside an apparently attractive monthly payment.
- ✓A higher residual value means a lower monthly payment — choose vehicles and trim levels known for strong resale value to get the most favorable lease terms.
- ✓Never put a large down payment on a lease — it reduces monthly payment but does not reduce total cost, and you lose it entirely if the car is totaled early.
- ✓Understand your mileage allowance before signing — overage charges of 15-25 cents per mile add up fast; a 10,000-mile overage costs $1,500-$2,500 at lease end.
- ✓Gap coverage is typically included in manufacturer leases but not all third-party leases — verify before signing since the gap between payoff and market value can be significant.
Common Mistakes
- ✗Focusing on monthly payment without knowing the capitalized cost — dealers can inflate the selling price by $2,000-$3,000 and make it invisible in the payment.
- ✗Not converting the money factor to APR — a money factor of 0.003 is 7.2% APR, which many lessees would reject if stated plainly.
- ✗Making a large down payment on a lease — it reduces the monthly payment but not the total cost, and is lost entirely if the vehicle is totaled or stolen.
- ✗Ignoring mileage limits in the lease contract — at 20 cents per mile, driving 5,000 miles over the limit adds $1,000 at lease end with no warning during the term.
- ✗Comparing lease payment directly to loan payment without accounting for the equity built in the loan — the loan costs more monthly but builds an asset.
- ✗Assuming lease-end purchase price is always fair — compare the residual value to market value at lease end before deciding to buy; sometimes walking away is better.
Auto Lease Calculator Overview
A car lease is a monthly payment for the right to use a vehicle — not to own it. At the end of the lease, you return the car with nothing to show for the payments. Understanding how that monthly payment is calculated reveals whether the deal makes financial sense or not.
The payment has two components: a depreciation fee (what the car loses in value during your lease) and a finance fee (interest charged on the outstanding value). Most dealers quote only the money factor, not the equivalent APR — which is where most lessees lose perspective on cost.
What each field means:
- Vehicle MSRP — the full manufacturer suggested retail price; used to calculate residual value
- Capitalized Cost — the agreed selling price of the vehicle, which you can and should negotiate down
- Residual Value % — the percentage of MSRP the dealer predicts the car will be worth at lease end; higher residual means lower payment
- Lease Term — number of months; typically 24, 36, or 39 months
- Money Factor — the lease equivalent of an interest rate; multiply by 2,400 to convert to approximate APR
- Down Payment — reduces capitalized cost; does not reduce total lease cost, only front-loads it
- Sales Tax Rate — applied to monthly payment in most states
What your results mean:
- Monthly Payment — depreciation fee plus finance fee plus tax; what you pay each month
- Depreciation Fee — monthly cost of the vehicle value you are using during the lease
- Finance Fee — monthly interest cost on the combined capitalized and residual value
- Implied APR — money factor converted to annual rate; use this to compare against loan rates
- Total Lease Cost — all monthly payments plus any down payment; the full cost of the lease
Example — $45,000 MSRP, $42,000 cap cost, 55% residual, 0.0019 money factor, 36 months:
Residual value: $45,000 x 55% = $24,750 Depreciation fee: ($42,000 - $24,750) / 36 = $479/month Finance fee: ($42,000 + $24,750) x 0.0019 = $127/month Monthly payment (before tax): $606 With 8% sales tax: $655/month Implied APR: 0.0019 x 2,400 = 4.56% Total lease cost: $655 x 36 = $23,580 — you own nothing at the end
EX: Lease vs buy — $45,000 vehicle over 36 months Lease: $655/month, total out-of-pocket $23,580, no asset at end Buy (7% rate, 60mo): $891/month for 60 months, total $53,460, asset worth ~$22,000 at month 36 After 36 months: lease spent $23,580 and owns nothing vs buyer spent $32,076 and owns $22,000 asset Net position at month 36: buyer is $10,504 ahead despite higher monthly payment
Monthly payment by residual and money factor ($42,000 cap cost, 36 months):
| Residual % | MF 0.0015 | MF 0.0020 | MF 0.0025 |
|---|---|---|---|
| 50% | $618 | $657 | $696 |
| 55% | $559 | $598 | $637 |
| 60% | $500 | $539 | $578 |
Lease vs buy — key comparison factors:
| Factor | Lease | Buy |
|---|---|---|
| Monthly payment | Lower | Higher |
| Equity built | None | Yes — grows over time |
| Mileage limits | Yes — penalties apply | No limits |
| Wear and tear | Charged at return | Your problem only |
| Best for | Business deductions, frequent upgraders | Long-term ownership, high mileage |
A down payment on a lease does not reduce your total cost — it only shifts payment to the front. If the car is totaled on day one, you lose the down payment and still owe the remaining payments. For this reason, most lease experts recommend putting as little down as possible on a lease and keeping the freed cash liquid or invested.
Frequently Asked Questions
The money factor is the lease equivalent of an interest rate, expressed as a small decimal like 0.0019 or 0.0025. To convert to approximate APR, multiply by 2,400. A money factor of 0.0019 equals roughly 4.56% APR. Dealers are not required to disclose the money factor, but you can request it. Comparing the implied APR against current auto loan rates tells you whether the finance cost of the lease is competitive or whether you are paying a significant premium for the lower monthly payment.
Residual value is the predicted worth of the vehicle at the end of the lease term, expressed as a percentage of MSRP. A higher residual means less depreciation during your lease, which lowers the monthly payment. Residual values are set by the leasing company and vary significantly by vehicle model and trim. Vehicles with strong resale value — many Japanese and German models — tend to lease more favorably than American trucks or luxury vehicles with steep depreciation curves. You cannot negotiate the residual value.
Buying is almost always cheaper over a 5-10 year ownership horizon. Leasing provides lower monthly payments and a new car every few years but builds no equity. Over 10 years, a buyer who purchases and holds a $35,000 vehicle pays roughly $35,000 plus interest. A serial lessee pays lease costs every 3 years with no residual asset. Leasing makes financial sense primarily for business owners who fully deduct vehicle expenses, or buyers who genuinely need a new vehicle every 2-3 years and would otherwise trade in frequently anyway.
At lease end you have three options: return the vehicle, purchase it at the predetermined residual value, or in some cases transfer to a new lease. If you return it, the dealer inspects for excessive wear and mileage overages — both are charged. If you buy it, compare the residual value to the current market price before deciding. If the market value exceeds the residual, buying and selling immediately can generate a profit. If the market value is below the residual, walking away is usually the better financial decision.
Yes — the capitalized cost (selling price) is fully negotiable, just like a purchase price. The residual value and base money factor are set by the manufacturer finance company and cannot be negotiated. Dealer fees and add-ons can sometimes be reduced. The most impactful negotiation is on the selling price — every $1,000 reduction in capitalized cost saves roughly $28/month on a 36-month lease. Research the invoice price and any manufacturer incentives before negotiating.
Typical lease fees include an acquisition fee charged by the leasing company (usually $500-$1,000), a disposition fee at lease end if you return the vehicle (usually $300-$500), documentation fees from the dealer, and registration and title fees. Some fees are negotiable, particularly dealer documentation fees. Always ask for a complete itemization of all fees before signing. The monthly payment quoted in advertising rarely includes tax or all applicable fees, which can add $50-$150 to the actual payment.