Auto Lease Calculator — Monthly Lease Payment, Fees & Total Cost

A lease charges you for two things: the value the car loses while you use it, and rent on the money tied up in it. First, the net capitalized cost is the price minus your down payment. The depreciation fee spreads the gap between that net cap cost and the residual value evenly over the term: (net cap − residual) ÷ months. The finance fee (rent charge) is (net cap + residual) × money factor — the sum, not the difference, because the leasing company’s money is tied up in the car’s average value across the term, roughly halfway between the two figures. Add the fees, apply sales tax to the payment where your state taxes it monthly, and you have the payment.

Shoppers arrive at this page under half a dozen names — a lease calculator, a car lease calculator, an auto lease calculator, a vehicle lease calculator — because a lease quote raises the same handful of questions whatever the tool is called: what will the monthly payment actually be, what is the money factor hiding, what is the car assumed to be worth at the end, and would buying simply be cheaper? This is the lease calculator car buyers can run before the showroom visit: enter the deal you are genuinely being offered — price, down payment, residual, money factor, term and tax — and it rebuilds the payment from its two fees, so every dollar in the quote has a name.

The guide below takes one deal apart piece by piece, in the order the questions usually arrive. How a lease payment is built itemises the whole payment on a worked example. The money factor and residual value sections price the two numbers dealers quote least clearly. Then come the two end-of-lease decisions — lease vs buy on the same car, and the lease buyout if you keep it — and the mileage allowances that decide what you owe when you hand the keys back. The calculator works for any make, because the maths never changes with the badge: run your exact quote through it first, then read the section that matches the number you are arguing about.

Every lease payment calculator is doing the same three sums, and a quote you cannot decompose into them is a quote you cannot check. Start with the capitalised cost: the car’s MSRP minus whatever discount you negotiate — negotiate this first, always, exactly as if you were buying. Any fees you choose to finance instead of paying up front (the acquisition fee is the usual one) are added into the capitalised cost. Your down payment and any trade-in equity then come straight off it, giving the net capitalised cost. Against that sits the residual value, the leasing company’s forecast of the car’s worth at the end of the term, stated as a percentage of MSRP. The gap between the two is the value you use up, and it is billed in two fees: the depreciation charge spreads the gap evenly over the term, and the rent charge — the finance fee — is the money factor applied to the sum of the two figures, because the leasing company’s money is tied up in the car’s average value across the term. Add the fees and you have the base payment; sales tax is then applied where your state charges it. Here is the calculator’s own example deal, itemised:

A lease quotes its finance charge as a money factor — a small decimal like 0.00125 — instead of the APR a loan would show. The two are the same price in different clothing, and the conversion is exact: APR = money factor × 2400. So 0.00125 is a 3.0% APR, 0.00200 is 4.8%, and 0.00250 is 6.0%; run it backwards by dividing, and a 6% APR loan quote is a 0.00250 factor. A money factor calculator does nothing more than that one sum, which is why the calculator above shows both forms side by side — switch the rate mode between money factor and APR and the payment does not move. What moves the payment is a factor that has been marked up: the leasing company sets a buy rate for your credit tier, and the dealer is permitted to quote you a higher factor and keep the difference.

Here is what a markup costs on the guide’s own example. At the buy rate of 0.00125 the rent charge is $65.31 a month and the base payment is $447.26. Let the dealer mark the factor up to 0.00165 — still only a 3.96% APR equivalent, small enough to wave through — and the rent charge becomes ($33,000 + $19,250) × 0.00165 = $86.21, the base payment $468.16. That is $20.90 more every month, $752.40 over the 36-month term ($805.07 once the example’s 7% sales tax is applied), paid for nothing at all — not a better car, not a longer term, just a bigger number in a box most buyers never ask to see. The defence is mechanical: ask for the money factor in writing, convert it with the × 2400 sum, and run both the buy rate and the quoted rate through the calculator. The gap between the two payments is the size of the markup, in dollars, and it is negotiable in a way the residual never is.

The residual value is the leasing company’s forecast of what the car will be worth when the term ends, and it is always expressed as a percentage of the car’s MSRP — never of the price you negotiate. That distinction matters: a discount you win on the price lowers your depreciation charge dollar for dollar, while the residual stays anchored to the full sticker. A residual value calculator is just that percentage sum — MSRP × the stated percentage — so on the guide’s car it is $35,000 × 55% = $19,250. The percentage itself is not negotiable; the leasing company fixes it per model, trim, term and mileage allowance. What you control is which car and which allowance you choose, and the price the percentage is not applied to.

Watch what five points of residual does to the same deal. At a 50% residual the forecast value falls to $17,500, the depreciation charge rises to ($33,000 − $17,500) ÷ 36 = $430.56, the rent charge eases slightly to $63.13 (the sum it is charged on is smaller), and the base payment becomes $493.68 — $46.42 more a month than the 55% deal’s $447.26, or $528.24 against $478.56 once the 7% tax is in. Nothing else changed: same car, same price, same rate, same term. That is why slow-depreciating models so often lease surprisingly cheaply, and why a high-residual special offer can beat a bigger cash discount. The residual has one more job, though — at the end of the term it becomes your buyout price, which is where the next two sections pick the story up.

Comparisons of leasing against buying usually cheat — they set the lease payment against a loan payment and stop, as if the buyer owned nothing at the end and the lessee owed nothing at return. Run honestly, the comparison is a total-cost table over the same months on the same car, with the buyer’s end position — a car they own outright — counted as value. Every lease vs buy car calculator is this table with your numbers in it:

A lease buyout calculator is only as honest as the figure you feed it, because the buyout amount is not appraised at the end of the lease — it was set at the start. At term end, the buyout is the residual value from your contract, plus a purchase fee where the contract charges one: on the guide’s example, $19,250 + a stated $350 fee = $19,600, before any sales tax your state applies to the purchase itself. An early buyout is higher, because you are also settling the payments still to run: one common contract method adds the remaining base payments to the residual, which at month 24 of the same lease is $19,250 + 12 × $447.26 = $24,617.12 ($24,967.12 with the same fee). Contracts vary — some use a payoff figure built differently — so the leasing company’s written payoff quote is the number that governs; the arithmetic here is how you check that it is in the right territory.

Whether to pay it is a three-way comparison, all in dollars. Buyout vs market value: if cars like yours are selling for $21,000, buying at $19,600 captures $1,400 of value even if you immediately resell; if the market says $17,500, handing back the keys saves you the $2,100 gap. Buyout vs starting again: a known car with a known history, bought at a price fixed three years ago, against a new lease at today’s rates. Buyout vs the return bill: excess-mileage and wear charges are return charges — buying the car out makes them disappear, which can tip a close decision on its own. The full treatment, including financing the buyout with a loan, is in the buyout guide below.

Every lease carries a mileage allowance — 10,000, 12,000 or 15,000 miles a year are the standard bands — and the contract counts it as a total over the term: 12,000 a year for 36 months is 36,000 miles to use however they fall. The allowance is also priced into the deal before you sign, because it moves the residual: a car returned with 45,000 miles is worth less than the same car returned with 30,000, so higher allowances come with lower residuals and slightly higher payments. A lease mileage calculator is one subtraction and one multiplication — the miles you expect beyond the allowance, times the contract’s per-mile excess charge — but it is worth running before you sign, not at return:

Two habits keep the mileage line boring. First, choose the allowance from your actual odometer history, not from optimism — the slightly higher payment on a 15,000-mile allowance is nearly always cheaper than 9,000 excess miles at return rates. Second, check the odometer against the allowance’s pace a few months before the end, while you can still shift miles to another car, buy the car out (return charges do not apply to a buyout), or adjust. Wear-and-tear charges live in the same part of the contract and are assessed on the car’s condition rather than its miles — they are contract-specific and judgement-based, so the mileage sum is the part you can price exactly in advance, and it is the part this page prices.

The calculator at the top of this page runs that subtraction for you: open its Advanced options, enter the term allowance, the miles you expect to hand back and your contract’s per-mile rate, and the excess charge is added to the total lease cost.