Lease Calculator: Car Lease Payments Explained
Quick Answer
- *Monthly lease payment = depreciation fee + finance charge + sales tax. Depreciation = (Cap Cost − Residual) ÷ Months. Finance charge = (Cap Cost + Residual) × Money Factor.
- *Convert money factor to APR: Money Factor × 2,400 = APR. A money factor of 0.00125 equals a 3.0% APR.
- *Residual value on a 36-month lease typically runs 50–60% of MSRP. Higher residual = lower monthly payment.
- *According to Experian 2024, average monthly lease payments run around $550–$600 vs. $750–$800 for financed purchases.
The 3-Part Lease Payment Formula
Leasing a car means financing the depreciation of the vehicle during the lease term — not the full purchase price. Your monthly payment covers three things: the depreciation fee, the finance charge, and sales tax (which varies by state).
Monthly Payment = Depreciation Fee + Finance Charge + Sales Tax
Depreciation Fee = (Cap Cost − Residual Value) ÷ Lease Term (months)
Finance Charge= (Cap Cost + Residual Value) × Money Factor
These two components are calculated separately, then added together before tax is applied. The depreciation fee covers the value the car loses during your lease. The finance charge is the cost of the money — effectively the interest you pay on both the depreciated amount and the residual.
Worked Example: $40,000 Car
Let's walk through a real calculation on a $40,000 MSRP vehicle:
- MSRP: $40,000
- Negotiated price (cap cost): $38,000
- Residual value: 55% of $40,000 = $22,000 after 36 months
- Money factor: 0.00125 (equivalent to 3.0% APR)
- Lease term: 36 months
Step 1 — Depreciation fee:
($38,000 − $22,000) ÷ 36 = $16,000 ÷ 36 = $444.44/month
Step 2 — Finance charge:
($38,000 + $22,000) × 0.00125 = $60,000 × 0.00125 = $75.00/month
Step 3 — Pre-tax monthly payment:
$444.44 + $75.00 = $519.44/month
Add your local sales tax rate to arrive at the final number. In a state with 8% sales tax, that's approximately $519.44 × 1.08 = $560.99/month. Use our Lease Calculator to run this with your actual numbers in seconds.
Key Lease Terminology
Cap Cost (Capitalized Cost)
The capitalized cost is the agreed selling price of the vehicle, plus any fees or add-ons rolled into the lease. Think of it as the “purchase price” used as the starting point for the lease calculation. Negotiate this number first — a lower cap cost directly reduces your monthly payment dollar-for-dollar in the depreciation calculation.
Residual Value
Residual value is the lender's estimate of what the car will be worth at the end of the lease, expressed as a percentage of MSRP. A Toyota Camry might retain 58% over 36 months; a fast-depreciating luxury sedan might come in at 46%. Higher residual = lower monthly payment because you're financing a smaller depreciation gap. Residual is set by the leasing company and is not negotiable.
Money Factor
The money factor is the lease equivalent of an interest rate, expressed as a tiny decimal between 0.00050 and 0.00350. To convert to APR: APR = Money Factor × 2,400. Dealers are not required to disclose the money factor — always ask for it and verify against published rates.
| Money Factor | Equivalent APR |
|---|---|
| 0.00050 | 1.2% |
| 0.00100 | 2.4% |
| 0.00125 | 3.0% |
| 0.00150 | 3.6% |
| 0.00200 | 4.8% |
| 0.00250 | 6.0% |
| 0.00300 | 7.2% |
Acquisition Fee
Most leases carry an acquisition fee (also called an administrative or bank fee) charged by the leasing company to originate the lease. It typically runs $595–$995depending on the lender. It's generally not negotiable, but can be paid upfront or rolled into the cap cost.
Disposition Fee
At lease end, if you return the car and don't lease or buy another vehicle from the same manufacturer, many lenders charge a disposition fee of $300–$500. Repeat customers often get this waived.
Mileage Allowance
Standard lease contracts allow 10,000–15,000 miles per year. Overage fees at lease end run $0.15–$0.25 per mile. You can negotiate a higher annual mileage cap at signing — this almost always costs less per mile than paying the overage rate later.
Lease vs. Buy Comparison
According to Experian's 2024 State of the Automotive Finance Market, the average monthly lease payment hit approximately $577 in 2024, compared to roughly $780 for a financed purchase. The gap looks compelling, but the full picture is more nuanced.
| Factor | Leasing | Buying (Finance) |
|---|---|---|
| Avg. monthly payment (2024) | ~$577 | ~$780 |
| Equity at end of 3 years | $0 | Partial (car value minus loan balance) |
| Flexibility | Return or buy at lease end | Keep, sell, or trade anytime |
| Mileage freedom | Limited (overage fees) | Unlimited |
| Maintenance exposure | Lower (under warranty) | Higher (post-warranty repairs) |
| Long-term cost (8+ years) | Higher (perpetual payments) | Lower (eventually own outright) |
Leasing wins on monthly cash flow. Buying wins on long-term total cost if you hold the car for many years.
Cap Cost Reduction: Why It's Usually a Bad Idea
A cap cost reduction is essentially a down payment on a lease. It reduces the capitalized cost, which lowers your monthly payment. But there's a critical problem: if the car is totaled or stolen, you almost certainly lose that money.
Here's why. Insurance pays the car's market value at the time of loss. Gap insurance (which most leases include) covers the difference between that payout and your remaining lease obligation. Neither insurance product reimburses your upfront cap cost reduction — it simply disappears.
Put simply: never put a large amount down on a leased vehicle. If the goal is a lower monthly payment, negotiate a lower cap cost instead.
Mileage Overage Costs
Mileage overages are one of the most common surprise costs at lease turn-in. If you drive 15,000 miles per year on a 12,000-mile-per-year contract, you'll accumulate 9,000 excess miles over a 36-month lease.
| Miles Over Limit | At $0.15/mile | At $0.20/mile | At $0.25/mile |
|---|---|---|---|
| 3,000 miles | $450 | $600 | $750 |
| 6,000 miles | $900 | $1,200 | $1,500 |
| 9,000 miles | $1,350 | $1,800 | $2,250 |
| 12,000 miles | $1,800 | $2,400 | $3,000 |
If you drive 15,000 miles per year versus the standard 12,000, negotiate a 15,000-mile-per-year contract at signing. The incremental cost per mile in the contract is almost always lower than the overage penalty rate.
When Leasing Makes Sense
Leasing is the right choice in specific situations:
- Luxury vehicles with high depreciation: A $70,000 luxury sedan might depreciate 45% in 3 years. Leasing means you only finance that depreciation, not the full purchase price. Residuals on certain luxury brands are heavily subsidized by manufacturers.
- Business use: Self-employed individuals and business owners can often deduct the business-use percentage of lease payments as an operating expense under the actual expense method — a direct line-item deduction vs. complex depreciation schedules on owned vehicles.
- Prefer a new car every 3 years: If you trade in every 3 years regardless, leasing eliminates the hassle of selling, the risk of negative equity, and the uncertainty of trade-in value.
- Low mileage drivers: If you drive well under 12,000 miles per year, mileage overages aren't a concern and leasing's lower monthly cost is a clean win.
GAP Insurance on Leases
GAP insurance (Guaranteed Asset Protection) covers the difference between what you owe on a lease and what your insurance company pays if the car is totaled or stolen. This matters because a new car can lose 15–20% of its value the moment you drive off the lot— far faster than your lease obligation decreases.
Most lease agreements include GAP coverage automatically through the leasing company. Verify this in your contract. If it's not included, buy it through your auto insurer — not from the dealer, where it's almost always marked up significantly. The gap between what you owe and what insurance pays can easily reach $5,000–$10,000 in the early months of a lease.
Frequently Asked Questions
How is a car lease payment calculated?
A lease payment has three components: depreciation fee, finance charge, and sales tax. Depreciation fee = (Cap Cost − Residual Value) ÷ lease term in months. Finance charge = (Cap Cost + Residual Value) × money factor. On a $40,000 car with a $38,000 cap cost, $22,000 residual, 36-month term, and money factor of 0.00125: depreciation = $444.44, finance charge = $75, pre-tax payment = $519.44/month.
What is money factor in a car lease?
The money factor is the interest rate expressed as a small decimal, typically between 0.00050 and 0.00350. To convert to an equivalent APR: Money Factor × 2,400 = APR. A money factor of 0.00125 equals a 3.0% APR. Dealers aren't required to disclose it, so always ask directly and cross-check against published rates.
What is residual value?
Residual value is the lender's estimate of what the car will be worth at the end of the lease, expressed as a percentage of MSRP. On a 36-month lease, residuals typically range from 50% to 60% of MSRP. A higher residual means lower monthly payments — you're financing less depreciation. Residual is set by the leasing company and is not negotiable.
Is it better to lease or buy a car?
Leasing makes sense if you drive under 12,000 miles per year, want a new car every 2–3 years, and don't need to build equity. According to Experian 2024, average monthly lease payments run around $550–$600 vs. $750–$800 for financed purchases. Buying is better if you drive heavily, keep cars for many years, or want to build equity in an owned asset.
What happens if I go over my lease mileage?
Mileage overages trigger a per-mile fee at lease end, typically $0.15–$0.25 per mile. If you drive 15,000 miles per year versus a 12,000-mile-per-year contract, that's 9,000 excess miles over 36 months. At $0.20/mile, you owe $1,800at turn-in. Always negotiate a higher mileage allowance upfront — it's almost always cheaper than the overage rate.