2026-08-02 10 min

Lease Calculator

Calculate the monthly payment or effective interest rate on any lease — car, equipment, or commercial asset. Supports fixed-rate and fixed-payment modes with residual value, lease term, and a full monthly schedule with CSV export.

Calculator

If the interest rate is known, use the Fixed Rate tab. If the monthly payment is known, use the Fixed Payment tab to find the effective interest rate.

Asset Value Help

Price or value of the leased asset

Residual Value Help

Expected asset value at the end of the lease

Lease Term (years)

Additional Months(mo) Help

Extra months beyond the years (0–11)

Interest Rate(%) Help

Annual rate for the finance charge

Results update live as you type

Full monthly lease schedule with depreciation and finance breakdown.

Results

Normal

Monthly Payment

$580.56

Depreciation plus finance charge per month

Total of 36 Payments

$20900.00

Sum of all monthly payments over the term

Total Interest (Finance Charge)

$6900.00

Total finance charge paid over the term

Interest Rate

5.00%

Annual rate used to compute the finance charge

Total Depreciation

$14000.00

Asset value minus residual value

Monthly Depreciation

$388.89

Depreciation spread evenly across the term

Monthly Finance Charge

$191.67

(Asset + residual) × monthly rate

Residual % of Asset

53.33%

Residual value as a percentage of the asset value

Money Factor (APR equiv.)

5.00%

Monthly rate × 12 × 100 gives the annual rate

Estimates assume straight-line depreciation and a fixed rate over the term. Actual lease contracts may include fees, taxes, and terms that change the payment.

Visualizations

Depreciation vs. Finance Charge

Depreciation67%

Finance Charge33%

Remaining Depreciation Over Term

Effective Interest Rate

020

Residual vs. Asset Value

Residual16,000$

Formula

The monthly lease payment has two components: the depreciation fee (asset value minus residual value divided by the term) and the finance charge (asset value plus residual value times the monthly interest rate).

M = (A − R) ÷ n + (A + R) × (r ÷ 12)

Alternative Form

r = [M − (A − R) ÷ n] × 12 ÷ (A + R) (fixed-payment mode)

Variables

Symbol	Name	Unit	Description
M	Monthly Payment	$	Depreciation fee + finance charge
A	Asset Value	$	Price or value of the leased asset
R	Residual Value	$	Projected asset value at lease end
n	Lease Term	months	Length of the lease in months
r	Annual Interest Rate	%	Annual rate; divided by 12 for the monthly rate

Explanation

Leasing pays for the depreciation you consume plus a finance charge on the average capital outstanding. The average of the asset value and the residual approximates the average balance during the term, so the finance charge uses (A + R) × monthly rate.

Derivation

Monthly depreciation = (A − R)/n. Monthly finance charge = (A + R) × r/12. M is their sum. In fixed-payment mode the monthly rate is solved as r = 12 × [M − (A − R)/n] / (A + R). The money factor is the monthly rate; multiplying by 1,200 yields the APR.

Step-by-Step Calculation

Follow each step to understand how the result is calculated from your inputs.

Step 1

Convert the lease term to months.

n = years × 12 + months

Years:3

Months:0

Intermediate: n = 3 × 12 + 0

Result: Term = 36 months

Step 2

Compute the total depreciation over the lease term.

Depreciation = Asset − Residual

Asset:$30000.00

Residual:$16000.00

Intermediate: Depreciation = $30000.00 − $16000.00

Result: Total Depreciation = $14000.00

Step 3

Spread the depreciation evenly across the term.

Monthly Depreciation = Depreciation ÷ n

Depreciation:$14000.00

n:36 months

Intermediate: Monthly Depreciation = $14000.00 / 36

Result: Monthly Depreciation = $388.89

Step 4

Compute the monthly finance charge using the average balance approximation.

Finance = (Asset + Residual) × (r ÷ 12)

Asset + Residual:$46000.00

Rate:5.00%

Intermediate: Finance = $46000.00 × 0.004167

Result: Monthly Finance Charge = $191.67

Step 5

Add the depreciation fee and finance charge to get the monthly payment.

M = Monthly Depreciation + Monthly Finance

Depreciation:$388.89

Finance:$191.67

Intermediate: M = $388.89 + $191.67

Result: Monthly Payment = $580.56

Step 6

Multiply the payment by the term and subtract depreciation to find total interest.

Total = M × n, Interest = Total − Depreciation

M:$580.56

n:36

Intermediate: Total = $580.56 × 36

Result: Total = $20900.00, Interest = $6900.00

Final Answer

$580.56

Worked Examples

See how the calculator works with different scenarios.

Scenario

You lease a $30,000 car with a $16,000 residual value for 3 years at 5% interest.

Inputs

Asset Value:$30,000

Residual:$16,000

Term:3 years (36 months)

Rate:5%

Calculation

n = 36 months Depreciation = 30,000 − 16,000 = $14,000 Monthly depreciation = 14,000 ÷ 36 = $388.89 Monthly finance = (30,000 + 16,000) × 0.004167 = $191.67 M = 388.89 + 191.67 = $580.56

Result

Monthly payment = $580.56. Total payments = $20,900. Total interest = $6,900.

Interpretation

The depreciation portion ($388.89) covers the $14,000 of value you use; the finance charge compensates the lessor for the average ~$23,000 balance outstanding. This is the standard structure for consumer car leases.

Understanding Your Result

Your Result: Monthly Payment: $580.56

Typical range: In 2026, consumer car lease rates (money factors) range from about 1%–8% APR depending on credit; commercial equipment leases commonly run 6%–12%. Residuals for cars run 45%–60% of MSRP over 36 months; equipment residuals vary widely by asset class.

What This Means

The monthly payment is the amount you pay each month to use the asset, and it consists of the depreciation you consume plus a finance charge. The effective interest rate shows the true financing cost of the lease.

Why It Matters

Leases hide financing costs in the payment structure. The same asset at the same payment can imply very different rates depending on the residual value and term. Computing the effective rate lets you compare leases against loans, which is essential for both consumer cars and commercial equipment.

Professional Interpretation

Analysts compare leases by the effective APR computed from the payment, not the payment itself. Under ASC 842, lessees record right-of-use assets and lease liabilities for terms over 12 months. A lease is favorable when the effective rate is below your cost of capital and the residual is realistic.

Fixed-rate vs. fixed-payment

Fixed-rate mode computes the payment from a known rate. Fixed-payment mode solves the implied rate from a quoted payment — essential for comparing dealer quotes that only advertise the monthly figure.

Money factor

The money factor is the monthly rate expressed as a decimal (e.g., 0.004167 = 5% APR). Multiply by 1,200 to convert to APR; divide APR by 1,200 for the money factor.

Recommendations

•Compare the effective APR against financing options before signing
•Verify the residual value is realistic — inflated residuals hide interest
•Keep lease terms aligned with the asset's useful life
•For business leases, model the ASC 842 balance-sheet impact
•Negotiate the purchase price (cap cost) before discussing lease terms
•Check for purchase options, escalation clauses, and buyout fees

Educational Content

Introduction

A lease is a contract where a lessor (owner) grants a lessee (user) the right to use an asset for a fixed term in exchange for periodic payments. The lessee uses the asset without taking ownership risk, and the lessor retains the residual value.

Concept Explanation

The payment covers the value consumed (depreciation) plus a financing cost on the average balance. Depreciation is the asset value minus the residual, divided by the term. The finance charge uses the average of the asset and residual values multiplied by the monthly rate. In reverse mode, the rate is solved from the payment.

Applications

▸Consumer vehicle leasing

▸Commercial real estate lease analysis

▸Equipment and machinery leases

▸IT and office equipment leasing

▸Aircraft and fleet leasing

▸Comparing lease vs. buy decisions

▸Dealer quote verification

▸Business lease budgeting under ASC 842

Benefits

•Lower monthly outlay than financing a purchase
•No ownership risk — return the asset at term end
•Flexible terms tailored to the asset life
•Potential tax deductibility for business use
•Access to equipment that would be costly to buy outright

Limitations

•No equity accumulation for the lessee
•Mileage, wear, and usage restrictions
•Early-termination penalties
•The effective rate may exceed loan rates
•Residual risk stays with the lessor, but payment reflects it

Best Practices

•Always compute the effective APR before comparing
•Negotiate the asset price, not just the payment
•Review purchase, extension, and early-exit clauses
•Match the term to the asset's useful life
•For business, confirm accounting treatment and tax deduction

Common Misconceptions

Myth: A lease with a lower payment is always cheaper.

Truth: Lower payments usually mean a longer term, higher residual, or hidden rate. Compare effective APR and total cost.

Myth: Leasing is the same as renting.

Truth: Renting is typically short-term and cancellable; leases are long-term contracts with structured payments, residuals, and purchase options.

Myth: The money factor is set by the dealer.

Truth: The lender sets the buy rate; dealers may mark it up for profit, just like loan interest. Ask for the buy rate.

Myth: 0% interest leases are free.

Truth: The cost is embedded in the price or residual. Use the fixed-payment mode to find the true rate.

Practical Tips

•Use the Fixed Payment tab to reverse-engineer any dealer quote into an APR
•Compare the effective rate against your credit union's car loan rate before leasing
•Residuals above 60% of asset value usually signal an inflated (payment-friendly) residual — check market values
•For equipment, include installation, freight, and maintenance in the asset value for accurate payments
•Ask whether the quote includes acquisition, disposition, and documentation fees
•Keep the term at or under the asset's warranty or useful life
•For commercial leases, model the difference between operating and finance lease accounting

Common Mistakes

Comparing payments without computing the rate

Convert every quote to an effective APR with the Fixed Payment tab. Payments without rates are uncomparable.

Ignoring residual value assumptions

An inflated residual hides finance cost. Verify the residual against depreciation tables and market data.

Quoting only the monthly figure

Insist on the total cost, the rate, and all fees in writing before signing any lease.

Leasing beyond the asset's useful life

Match the term to the asset's life — leasing equipment past its useful life means paying for value that no longer exists.

Forgetting end-of-lease obligations

Account for disposition fees, excess wear, and mileage penalties when comparing total lease cost.

Assumptions

This calculator makes the following assumptions to provide estimates:

Linear depreciation: Depreciation is spread evenly over the term. Actual market values follow a curved decline, but leases use straight-line math.

Average balance approximation: The finance charge uses (asset + residual)/2 as the average outstanding balance, which is exact for linear repayment.

Fixed rate: The rate is assumed constant for the term, which is standard for consumer and most commercial leases.

No fees included: Acquisition, disposition, and documentation fees are excluded from the generic payment calculation.

Limitations

Be aware of these limitations when using this calculator:

Generic structure: This calculator models the standard two-component lease. Specialty leases (step-up, NNN, TRAC) add rents, CAM, or balloon structures not captured here.

No taxes or insurance: Sales tax, property tax, and insurance are excluded; add them separately for your jurisdiction.

Residual is an input: The residual drives the payment. Wrong residual assumptions produce misleading results — verify against contract documents.

Rate solving assumes valid inputs: The fixed-payment mode returns the rate consistent with the inputs; unrealistic payments may imply extreme rates.

Frequently Asked Questions

Answers to common questions about this calculator.

What is a lease?

A lease is a contract between a lessor (owner) and a lessee (user) granting the right to use an asset for a fixed term in exchange for payments. The lessee uses the asset without owning it, and the lessor keeps the residual value.

What is the difference between renting and leasing?

Renting is usually short-term and cancellable with little commitment; leasing is a longer-term contractual commitment with structured payments, a defined residual, and often a purchase option. Leases are also common for business assets.

What is residual value in a lease?

Residual value is the estimated worth of the asset at the end of the lease term. It determines the depreciation you pay for: a higher residual means lower payments because you consume less of the asset's value.

How is the monthly lease payment calculated?

Monthly payment = (asset − residual) ÷ term + (asset + residual) × monthly rate. The first part is the depreciation fee; the second is the finance charge on the average balance.

What is money factor and how do I convert it to APR?

Money factor is the monthly rate written as a decimal. Multiply by 1,200 to get APR, or divide APR by 1,200 for the money factor. Example: 0.004167 × 1200 = 5% APR.

How do I find the interest rate when I only know the payment?

Use the Fixed Payment tab: enter the asset value, residual, term, and payment. The calculator solves the monthly finance charge as payment minus depreciation, then derives the annual rate.

What types of assets can be leased?

Almost anything with a resale value: cars, trucks, aircraft, manufacturing equipment, IT hardware, medical devices, office furniture, and real estate. Each asset class has its own residual and term conventions.

What is the difference between a capital lease and an operating lease?

A capital (finance) lease transfers most ownership risks and appears on the balance sheet as an asset with depreciation. An operating lease is treated as a rental expense. Under ASC 842, both appear as right-of-use assets and liabilities for terms over 12 months.

What happens at the end of a lease term?

You can return the asset, buy it at the residual value (if a purchase option exists), extend the lease, or in some cases transfer it to another party. Watch for disposition fees and excess wear charges.

Is it better to lease or buy?

Leasing offers lower payments and no ownership risk but builds no equity. Buying costs more per month but leaves you with an asset. Compare the effective lease APR against a loan rate and consider how long you will keep the asset.

Are lease payments tax deductible?

For businesses, operating lease payments are generally deductible as ordinary business expenses. For individuals, car lease payments may be partially deductible with business use. Consult a tax professional for your situation.

What is a lease buyout?

A buyout lets you purchase the asset at the residual value during or at the end of the term. It is advantageous when the asset's market value exceeds the residual — you can buy it or resell it for a profit.

How does credit score affect lease terms?

Credit determines the money factor or rate. Excellent credit (720+) gets the lowest factors; fair or poor credit raises the rate or requires a larger down payment. This directly increases the finance charge component.

Can I negotiate a lease?

Yes — negotiate the asset price (capitalized cost), the money factor, acquisition fees, and trade-in value. Negotiating the price first is the single most effective lever on the monthly payment.

What is a security deposit in a lease?

A refundable amount held by the lessor, often equal to one payment, returned at term end if the asset is in good condition with no overage. It does not reduce the finance charge unless the lessor discounts the money factor for it.

What are excess mileage charges?

Fees for miles driven above the contract allowance, typically $0.10–$0.25 per mile. Estimate your real mileage before signing, or buy additional miles upfront at a discount.

What is a lease swap or transfer?

Transferring your lease to another qualified person who takes over the remaining payments. Transfer fees run $300–$500. This is a common exit strategy when you need to end a lease early.

What is a lease extension?

Extending the lease past the original term, often month-to-month, at the same or a lower payment. Useful when a replacement asset is delayed. Some contracts require the asset to be re-inspected.

What is an early termination fee?

A charge for ending the lease before the term completes, typically the remaining depreciation plus a penalty. Early exit can cost thousands — explore transfers or buyouts first.

How does maintenance work on a leased asset?

The lessee is responsible for routine maintenance; major repairs may fall under warranty for new assets. At return, excess wear beyond normal use is billed to the lessee.

What is a TRAC lease?

A Terminal Rental Adjustment Clause lease, used for commercial vehicles and fleets: at term end the actual resale value is compared to the residual, and the difference is settled between lessor and lessee. Payments are structured as rentals for tax purposes.

What is a $1 buyout lease?

A lease with a nominal $1 purchase option at the end, effectively a financed purchase. Payments are typically higher than an FMV lease because almost the full asset value is covered.

What is an FMV lease?

A fair-market-value lease where you return the asset or buy it at the then-current market value. Lower payments than $1 buyout leases, but the end cost is uncertain.

What is a gross lease vs. a net lease?

In a gross lease the lessor covers most expenses (taxes, insurance, maintenance) within one payment. In a net lease the lessee pays base rent plus some expenses — single net (taxes), double net (taxes + insurance), or triple net (taxes + insurance + maintenance).

What is a step-up lease?

A lease with predetermined payment increases at set intervals, common in commercial real estate and long equipment leases. Payments grow over time to match inflation or the lessee's ramp-up.

What are CAM charges?

Common Area Maintenance charges in commercial leases — the tenant's share of maintaining shared spaces like parking, landscaping, and building common areas, prorated by leased square footage.

What is a rent escalation clause?

A clause allowing periodic rent increases, tied to CPI, a fixed percentage, or market rates. It protects the lessor from inflation and is standard in long commercial leases.

Can I sublease a leased asset?

Subleasing usually requires the lessor's written consent, and you remain liable if the sublessee defaults. Many contracts prohibit or restrict subleases — read the agreement carefully.

How does inflation affect lease payments?

Inflation raises replacement costs and rates. Real estate leases often index rents to CPI; equipment lease rates rise with the cost of capital. Longer terms typically include escalation or higher initial rates.

What is a bargain purchase option?

An option to buy the asset at the end for a price well below expected fair value. Its existence usually classifies the lease as a finance/capital lease because the lessee is effectively acquiring the asset.

How does ASC 842 change lease accounting?

ASC 842 requires lessees to record right-of-use assets and lease liabilities on the balance sheet for leases longer than 12 months — both operating and finance leases — increasing transparency about lease obligations.

What is the difference between a lease and a loan?

A loan finances the full asset value and you own it after repayment. A lease pays only for the depreciation during the term plus financing on the average balance, and the lessor retains ownership. Leases have lower payments but no equity.

Related Calculators

Explore more calculators related to this topic.

Related Guides

Deepen your understanding with these educational resources.

Budgeting Basics

Plan lease payments within a complete monthly budget

Investing 101

Weigh leasing against purchasing and investing the difference

Tax Strategy

Understand deductibility of business lease payments

Insurance Guide

Coverage requirements for leased vehicles and equipment

Glossary

Technical terms used in mortgage calculations explained in plain language.

Lessor: The owner of the asset who grants usage rights under the lease in exchange for payments.
Lessee: The party that obtains the right to use the asset and makes the lease payments.
Residual Value: The estimated asset value at lease end; a higher residual lowers the depreciation portion of the payment.
Money Factor: The monthly rate written as a decimal. Multiply by 1,200 to get the APR.
Depreciation Fee: (Asset value − residual) ÷ term — the portion of the payment covering the value consumed.
Finance Charge: (Asset + residual) × monthly rate — the lessor's compensation for financing the average balance.
Operating Lease: A lease treated as a rental expense; under ASC 842 it is still recorded as a right-of-use asset and liability.
Finance (Capital) Lease: A lease that transfers most ownership risks and benefits; treated like an asset purchase with depreciation.
Buyout Option: The right to purchase the asset at lease end, usually at the residual value.
Security Deposit: Refundable amount held by the lessor to cover damages or overage at return.
TRAC Lease: Terminal Rental Adjustment Clause lease: resale value is settled against the residual at term end; common for commercial fleets.
FMV Lease: Fair-market-value lease where the end purchase price is the asset's market value, not a fixed residual.

Authoritative References

Trusted sources and standards referenced by this calculator.

CFPB — Auto Leasing Federal Reserve — Consumer Information FTC — Auto Leasing and Financing IRS — Business Use of Vehicles Kelley Blue Book — Leasing Guide Edmunds — Lease Guide NADA — Vehicle Valuation FASB — ASC 842 Leases

Applicable Standards

Consumer Leasing Act (CLA)Regulation MASC 842 (FASB)UCC Article 2A (Leases)

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Last Updated:

2026-08-02

Version:

2.0.0

References:

License:

Free to use for educational and professional purposes.