Lease Calculator

A car lease payment has three components: depreciation (the biggest part), finance charge (interest), and taxes. Unlike a loan where you pay for the entire car, a lease only charges you for the depreciation during your lease term plus a money factor (interest equivalent). Understanding these components helps you negotiate a better deal.

What this calculator does

The money factor is the lease equivalent of an interest rate. To convert: Money Factor × 2400 = APR. A money factor of 0.0025 equals 6% APR. Dealers often inflate the money factor — always negotiate it down or check manufacturer lease specials.

How it works

Residual value is the car's predicted value at lease end, expressed as a percentage of MSRP. Higher residuals mean lower payments because you're paying for less depreciation. Luxury brands like BMW and Lexus tend to have higher residuals (55-62%) than economy brands (45-52%).

Hidden lease costs include: acquisition fee ($595-

,295), disposition fee ($350-$500 at return), excess mileage ($0.15-$0.30/mile over limit), and wear-and-tear charges. Factor these into your total cost comparison.

When to use this calculator

Reach for this tool whenever a financial decision hinges on this type of calculation. Small differences in rate or term become large differences in total cost or return over multi-year horizons — differences that only become visible when you run the actual numbers.

Common mistakes

The most consequential mistake is comparing financial figures that are not on the same basis — gross versus net, before-tax versus after-tax, or nominal versus inflation-adjusted. Always check whether figures you are comparing use the same definition.

Real-world scenarios

A small business owner compares two financing options for new equipment: a 5-year bank loan at 5.2% versus a leasing arrangement with a monthly fee. The calculator translates both into a total cost figure, making the comparison straightforward.

Formula

Monthly Lease Payment Formula

Monthly Payment = Depreciation Fee + Finance Fee + Tax

Depreciation Fee = (Capitalized Cost − Residual Value) ÷ Term Months. Finance Fee = (Capitalized Cost + Residual Value) × Money Factor. Tax applies to the monthly payment in most states.

Worked example

Lease a $42,000 car with $3,000 down, 36 months, 0.0020 money factor, 58% residual.

  1. Capitalized cost: $42,000 − $3,000 = $39,000 (after down payment)
  2. Residual value: $42,000 × 58% = $24,360
  3. Depreciation fee: ($39,000 − $24,360) ÷ 36 = $406.67/month
  4. Finance fee: ($39,000 + $24,360) × 0.0020 =
    26.72/month
  5. Pre-tax payment: $406.67 +
    26.72 = $533.39
  6. Tax (7%): $533.39 × 0.07 = $37.34

Result: Monthly lease payment: $570.73. Total 36-month cost: $20,546 + $3,000 down = $23,546. Money factor = 4.8% APR equivalent.

Frequently asked questions

Is it better to lease or buy a car?

Lease if you want lower payments, a new car every 3 years, and don't drive over 12,000-15,000 miles/year. Buy if you keep cars 5+ years and want no mileage restrictions.

What is a good money factor?

Below 0.0020 (4.8% APR) is good. Below 0.0010 (2.4% APR) is excellent. Manufacturer-subsidized leases sometimes offer 0.0005 (1.2% APR) or even 0.0000.

Can I negotiate a lease?

Yes. Negotiate the capitalized cost (sale price) down, the money factor down, and ask for manufacturer incentives. The residual value is set by the leasing company and is not negotiable.

What happens if I exceed the mileage limit?

You pay an excess mileage charge, typically $0.15-$0.30 per mile. On a 36-month/10,000-mile lease, driving 15,000 miles/year costs an extra $2,250-$4,500 at lease end.

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