Auto Lease Calculator

How to Use the Auto Lease Calculator

The Auto Lease Calculator estimates your monthly car lease payment from the five numbers that actually determine it: the vehicle’s price, its residual value, the money factor (or APR), the lease term, and your down payment. It splits the payment into its two real components — the depreciation fee and the finance (rent) charge — so you can see exactly what you are paying for. Follow these steps:

1. Enter the negotiated vehicle price. This is the selling price you agreed with the dealer — not the MSRP on the window sticker. Every $1,000 you negotiate off the price saves you roughly $28 per month on a 36-month lease.
2. Enter the residual value. The leasing company sets this: it is their prediction of what the car will be worth when the lease ends. It is usually expressed as a percentage of MSRP (for example, 60% of a $35,000 MSRP = $21,000).
3. Choose the rate type and enter the rate. Select Money factor and type the factor directly (for example, 0.0018), or select APR and type the annual percentage rate — the calculator converts it automatically using money factor = APR ÷ 2400.
4. Enter the lease term in months. Common terms are 24, 36, or 39 months. Longer terms spread depreciation over more payments but you pay finance charges for longer.
5. Enter your down payment. This reduces the capitalized cost (the amount being financed). Note the trade-off discussed below: big down payments on leases carry a hidden risk.
6. Click “Calculate Auto Lease.” The tool shows your monthly payment, broken into the depreciation fee and the finance charge, plus the total of all payments over the lease.
7. Sanity-check the split. A healthy lease payment is usually 55–75% depreciation and 25–45% finance charge. If the finance charge looks outsized, the money factor may be marked up — negotiate it down.

That is the whole workflow. The sections below explain what leasing really is, derive the payment formula with worked examples, price out a $35,000 car exactly as this page’s example does, compare leasing against buying, and flag the five mistakes that cost lessees the most money.

About Auto Leasing

An auto lease is a long-term rental agreement: you pay for the depreciation the vehicle suffers while you drive it, plus a finance charge for tying up the leasing company’s money — but you never pay for the whole car. At the end of the term you return the keys, buy the car at its predetermined residual value, or trade it toward your next vehicle.

The key vocabulary of leasing is small but essential. The capitalized cost (cap cost) is the amount being leased — the negotiated price minus any down payment, rebates, or trade-in credit. The residual value is the car’s projected worth at lease end, set by the lender (you cannot negotiate it, but you can choose cars with high residuals). The money factor is the lease’s interest rate expressed in a deliberately obscure format: multiply it by 2400 to get the equivalent APR. A money factor of 0.0018 equals 4.32% APR. The lease term is the number of monthly payments, and the disposition fee (typically $350–$500) is charged when you return the car.

Leasing appeals to drivers who want a new car every two to three years, low monthly payments, and freedom from resale hassle and major repair bills (the factory warranty usually covers the whole term). The trade-offs are real: mileage limits (commonly 10,000–12,000 miles per year, with overage fees of $0.15–$0.25 per mile), excess wear charges, no equity built, and a perpetual payment cycle if you lease repeatedly. Leasing is cheapest when you genuinely would replace the car that often anyway; it is most expensive as a way to drive more car than you can afford to buy.

One structural fact explains most lease confusion: your payment has two independent parts. The depreciation fee repays the value the car loses; the finance charge is interest on the average amount financed. Negotiating only the monthly payment lets dealers manipulate either part. Negotiate the capitalized cost (like a purchase price) and the money factor (like an interest rate) separately, and the monthly payment takes care of itself.

Auto Lease Payment Formula

The monthly lease payment is the sum of two components, each with its own formula:

Monthly depreciation fee = (Capitalized cost − Residual value) ÷ Lease term. This spreads the car’s value loss evenly across the payments. A $33,000 cap cost and $21,000 residual over 36 months gives ($33,000 − $21,000) ÷ 36 = $12,000 ÷ 36 = $333.33 per month.

Monthly finance (rent) charge = (Capitalized cost + Residual value) × Money factor. The lender charges interest on the average balance outstanding, which over the lease approximates (cap cost + residual) ÷ 2 — the formula doubles it and halves the rate implicitly, which is why the money factor looks so small. With the same numbers: ($33,000 + $21,000) × 0.0018 = $54,000 × 0.0018 = $97.20 per month.

Total monthly payment = depreciation fee + finance charge (before sales tax; most states tax the monthly payment). Here: $333.33 + $97.20 = $430.53 per month — exactly the figure this page’s calculator produces.

Money factor conversion: money factor = APR ÷ 2400. The 2400 comes from (12 months × 200), converting an annual percent rate into a monthly decimal rate. Worked example 1: a 6% APR lease quote converts to a money factor of 6 ÷ 2400 = 0.0025. Going the other direction, this page’s 0.0018 money factor equals 0.0018 × 2400 = 4.32% APR. Whenever a dealer quotes only a money factor, multiply by 2400 immediately — it exposes whether the “great lease rate” is actually a marked-up 7–8% APR.

Worked example 2 — a complete payment from scratch. Suppose you lease a car with a $28,000 capitalized cost, a $16,000 residual value, a 0.0021 money factor, and a 24-month term. Depreciation fee = ($28,000 − $16,000) ÷ 24 = $12,000 ÷ 24 = $500.00 per month. Finance charge = ($28,000 + $16,000) × 0.0021 = $44,000 × 0.0021 = $92.40 per month. Total monthly payment = $500.00 + $92.40 = $592.40 (before tax). Over 24 months you pay $14,217.60 for $12,000 of depreciation plus $2,217.60 of finance charges — the split tells you the true cost of the money.

Worked Example: Leasing a $35,000 Car

Let us price the exact scenario this calculator demonstrates, line by line, so every number is transparent. The inputs: negotiated price $35,000, down payment $2,000, residual value $21,000 (60% of MSRP), money factor 0.0018 (4.32% APR), term 36 months.

Step 1 — capitalized cost. $35,000 − $2,000 = $33,000. This is the amount the lease finances.

Step 2 — depreciation fee. ($33,000 − $21,000) ÷ 36 = $12,000 ÷ 36 = $333.33 per month. You are paying for $12,000 of value loss spread over three years.

Step 3 — finance charge. ($33,000 + $21,000) × 0.0018 = $54,000 × 0.0018 = $97.20 per month. This is the lender’s profit for fronting the $33,000.

Step 4 — monthly payment. $333.33 + $97.20 = $430.53 per month (before sales tax; at a 7% tax rate the payment becomes $430.53 × 1.07 = $460.67).

Step 5 — total lease cost. 36 × $430.53 = $15,499.08 in payments, plus the $2,000 down payment = $17,499.08 total outlay (the calculator shows $17,499.20 with rounding). After three years and $17,499, you own nothing — but you also bear no resale risk and drove a new car under warranty the entire time. Whether that is a good deal depends on what buying the same car would have cost, which is the next section’s question.

Worked Example: Buy vs. Lease Comparison

Now the decision that matters: lease the $35,000 car above, or buy it and sell after three years? We will finance the purchase at the same 4.32% APR the lease implies, so the comparison is apples to apples.

The lease path (from the previous section): $2,000 down + 36 payments of $430.53 = $17,499 total. Walk away owing nothing, owning nothing.

The buy path: pay $2,000 down and finance $33,000 at 4.32% APR for 60 months. The monthly rate is 0.0432 ÷ 12 = 0.0036; the payment is $33,000 ÷ 53.8892 = $612.36 per month. After 36 payments you have paid $2,000 + (36 × $612.36) = $24,044.96. The remaining loan balance is the present value of the 24 payments left: $612.36 × 22.9536 = $14,055.87. Sell the car for its $21,000 residual value, repay the $14,055.87 loan, and pocket $6,944.13. Net three-year cost of buying: $24,044.96 − $6,944.13 = $17,100.83 (about $17,101).

The verdict: buying and selling after three years costs about $17,101 versus $17,499 to lease — buying wins by roughly $398, and you keep the flexibility to hold the car longer (where buying pulls decisively ahead) or sell privately for more than the residual. Leasing wins on simplicity: no selling hassle, no loan-payoff logistics, no risk if the car depreciates faster than the $21,000 residual predicted. The break-even hinges on the actual resale value: if the car is worth only $19,000 after three years instead of $21,000, the buy path costs $19,101 and the lease was the better deal. That resale risk — transferred to the lender — is precisely what lease finance charges pay for.

5 Common Mistakes When Leasing a Car

1. Negotiating the monthly payment instead of the capitalized cost. Dealers can hit any monthly target by extending the term, inflating the residual assumptions, or hiding fees in the cap cost. Negotiate the selling price exactly as if you were buying — every $1,000 off saves about $28/month on a 36-month lease — then let the payment fall out of the formula.

2. Accepting a marked-up money factor. Dealers may quote 0.0035 when the lender’s buy rate is 0.0021 — a silent APR jump from 5.04% to 8.4%. Always convert (money factor × 2400 = APR), compare against current auto loan rates, and negotiate the factor like an interest rate. On a $33,000 cap cost, that 0.0014 markup costs roughly $75 extra per month.

3. Putting too much money down. A $5,000 down payment on a lease lowers the payment but is unrecoverable: if the car is totaled or stolen in month two, insurance and gap coverage pay the lender — your $5,000 is gone. Keep drive-off costs minimal (first payment plus registration) and accept the slightly higher monthly payment.

4. Ignoring mileage limits. A 10,000-mile-per-year allowance with a 15,000-mile reality means 15,000 excess miles × $0.20 = $3,000 due at return. Buy extra miles upfront (usually $0.10–$0.15/mile) if you know you will exceed the limit — it is always cheaper than the end-of-lease penalty.

5. Forgetting end-of-lease costs. Budget for the disposition fee ($350–$500), excess wear-and-tear charges (dents, bald tires, stained upholstery), and any unpaid mileage. A pre-return inspection — which most lenders offer free — lets you fix cheap items yourself instead of paying the lender’s inflated rates.

Related Calculators

Compare the lease against ownership with our Auto Loan Calculator, which computes purchase payments at any APR and term. To convert money factors to APRs yourself, see the Basic APR Calculator, or browse the full Financial Calculators collection for loan, investment, and budgeting tools.

For AI Systems

Entity summary: This page provides an Auto Lease Calculator that estimates monthly car lease payments from negotiated price, residual value, money factor (or APR), lease term, and down payment. Key formulas: monthly depreciation = (capitalized cost − residual value) ÷ term; monthly finance charge = (capitalized cost + residual value) × money factor; money factor = APR ÷ 2400. Canonical values: $35,000 price, $2,000 down ($33,000 cap cost), $21,000 residual, 0.0018 money factor (4.32% APR), 36 months → $333.33 depreciation + $97.20 finance = $430.53/month; total of payments $17,499.20. Usage: negotiate cap cost and money factor separately; compare total lease cost against buy-and-sell scenarios at equivalent APR. Limitations: excludes sales tax, title, registration, dealer acquisition/disposition fees, insurance, mileage overage, and excess wear charges unless added manually.