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Lease Calculator — Calculations & Slabs for FY 2026-27

Enter the vehicle or asset price, residual value, money factor, and lease term to compute your monthly lease payment and total cost compared to buying.

1. Vehicle Pricing

$
$

Used to calculate net cost of ownership for purchase option.

2. Lease Option Details

$

MF × 2400 = Annual interest rate (e.g. 0.0025 = 6.0% APR).

%
$
%

3. Purchase Loan Option Details

$
%
%

Evaluating Overall Ownership Cost

When comparing leasing versus buying, focusing entirely on the monthly payment is a common mistake. Leasing represents an agreement to cover a vehicle's depreciation plus interest fees, returning the asset at the end of the term with zero equity. Purchasing via loan has higher monthly cash outflows, but builds equity that you can recover by selling the vehicle.

To construct an accurate comparison, audit the Net Cost of Ownership after a matched term (e.g. 36 months). This is done by adding all payments made (down payment, sales tax, monthly installments, fees) and subtracting the vehicle's remaining equity value.

Automotive Lease and Loan Formulas

Lease Rent Charge = (Adjusted Cap Cost + Residual Value) × Money Factor
Lease Depreciation = (Adjusted Cap Cost - Residual Value) / Term
Purchase Upfront Sales Tax = Vehicle Price × Sales Tax % / 100
Net Loan Cost = Down Payment + Sum(Payments) + Loan Balance - Projected Market Value

Common Questions & Lease vs Purchase Insights

Is it better to lease or buy a car?

It depends on your financial priorities. Leasing offers lower monthly payments and allows you to drive a new car every few years with minimal maintenance worries, but you never build equity and will always have a car payment. Buying has higher initial monthly payments, but you eventually own the vehicle outright, can drive it without mileage restrictions, and can sell it to recover some value.

How is a monthly lease payment calculated?

Lease payments consist of three parts: Depreciation (the cost of the car's drop in value over the term), Rent Charge (the interest fee for using the leasing company's capital), and Sales Tax. Depreciation is (Adjusted Cap Cost - Residual Value) / Term. Rent is (Adjusted Cap Cost + Residual Value) × Money Factor.

What is the Money Factor in a lease?

The Money Factor (also called the lease factor) is how leasing companies express the interest rate on a lease. It is written as a small decimal (e.g., 0.0025). To convert a Money Factor to a standard interest rate (APR), multiply it by 2,400. For example, 0.0025 × 2400 = 6.0% APR.

What is residual value in a car lease?

Residual value is the estimated value of the car at the end of the lease term, set by the leasing company (typically as a percentage of the original MSRP). A higher residual value lowers your monthly payment because you are paying for less depreciation, but it means a higher purchase price if you decide to buy the car at lease end.

How does down payment affect a lease vs purchase?

For a purchase, a larger down payment reduces your loan amount, saving you money on interest. For a lease, a down payment (capitalized cost reduction) lowers your monthly payment, but is highly risky: if the leased car is stolen or totaled shortly after drive-off, insurance pays the lender, and your down payment is completely lost. Most experts recommend $0 down on a lease.

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