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Lease Money Factor Calculator

Updated

Dealer lease ads disclose the monthly payment but hide the money factor — the actual finance rate. Paste the publicly disclosed numbers from any offer and we back-solve it.

The money factor on any lease offer is (monthly payment − depreciation charge) divided by (adjusted cap cost + residual value), where depreciation charge is (adjusted cap cost − residual) divided by the lease term. Multiply the money factor by 2400 for the equivalent APR.

Estimate only. Estimate only. Not a loan offer, lender quote, dealer quote, lease agreement, retail installment sales contract, DMV estimate, or financial advice. Actual rates, payments, taxes, fees, incentives, residual values, insurance, fuel, and maintenance costs may vary.

Numbers from the dealer ad

Enter the publicly disclosed numbers from any lease offer. We back-solve the money factor and break down the rest.

What the lease actually finances (shown in most luxury ads).

Money factor

0.00180

≈ 4.33% APR

Residual

52.0%

$39,650.00

Total lease cost (39 months)

$33,891.00

Deal quality verdict

Compare the computed money factor against the typical benchmark for your credit tier.

Pick where your credit profile actually lands — Excellent ≈ 720+, Good ≈ 660–719, Fair ≈ 600–659, Poor ≈ < 600.

Good rate

Computed money factor: 0.00180 (≈ 4.33% APR). Excellent-credit benchmark: 0.00140 (≈ 3.36% APR). This deal is +0.97% above the Excellent-tier benchmark.

Depreciation charge / month

$678.21

Finance charge / month

$190.79

Effective dealer discount

$5,940.00

Implied selling price: $70,310.00

Due at signing breakdown

Cap cost reduction (cash down)
$5,135.00
First month's payment
$869.00
Acquisition fee
$925.00
Computed total
$6,929.00
Ad shows
$6,929.00
Assumptions usedv2026-05-04
  • Monthly payment inputPre-tax (the default convention in dealer ads)

How this is calculated

Forward formula (standard lease math): monthly payment = depreciation charge + finance charge (+ tax). Depreciation charge = (adjusted cap cost − residual) ÷ term. Finance charge = (adjusted cap cost + residual) × money factor.

Reverse formula (this calculator): solving for money factor algebraically yields money factor = (monthly − depreciation) ÷ (adjusted cap cost + residual). The conversion to APR is APR ≈ money factor × 2400.

Worked example (luxury crossover lease): $76,000 MSRP, 39-month term, residual $39,650 (≈ 52% of MSRP), adjusted cap cost $66,100, monthly payment $869 pre-tax. Depreciation = (66,100 − 39,650) ÷ 39 = $678/mo. Finance charge = 869 − 678 = $191/mo. Money factor = 191 ÷ (66,100 + 39,650) ≈ 0.00180. Equivalent APR ≈ 0.00180 × 2400 = 4.32%.

For the conversion fundamentals, read money factor vs APR. To model a hypothetical lease from MSRP and money factor (the forward direction), use the auto lease calculator. To compare a lease against financing, use lease vs buy.

Frequently asked questions

What is a money factor on a lease?
The money factor is the lease equivalent of an interest rate, written as a small decimal. Multiply by 2400 to get the equivalent APR. A money factor of 0.00180 is about 4.32% APR.
Why don't dealers show the money factor?
Because it makes price comparison easy. Most lease ads disclose monthly payment, term, MSRP, residual, and adjusted cap cost — but skip the money factor. That's enough information to compute it; this calculator does that math.
What is a good money factor?
Typical money factors for non-subvented leases: excellent credit around 0.0014 (≈ 3.4% APR), good credit around 0.0024 (≈ 5.8%), fair credit around 0.0036 (≈ 8.6%), poor credit around 0.0050 (≈ 12%). Subvented (manufacturer-incentivized) leases can be lower.
How do I convert money factor to APR?
Multiply by 2400. So 0.00180 × 2400 = 4.32% APR. Conversely, divide an APR by 2400 to estimate the money factor: 5% APR ÷ 2400 ≈ 0.00208.
Does the money factor include sales tax?
No. Sales tax is applied separately depending on your state's lease tax treatment (monthly payment, full selling price, depreciation only, or none). Most dealer ads quote pre-tax monthly payments; this calculator solves the money factor on the pre-tax payment.

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