Lease Calculator

Estimate lease payments, total leasing costs, residual value, and financing expenses for equipment, vehicles, and commercial assets.

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Asset Value

negotiated cap cost

Residual Value

value at lease end

Lease Term

Interest Rate (APR)

money factor × 2400

A lease, in the way it's actually priced

A lease isn't a loan, even though the two share a payment book. When you lease, you're paying only for the slice of an asset's life you actually use — plus a finance charge on the capital the lessor has tied up in it for that period. Get the three pieces (asset value, residual, finance rate) lined up, and you can compare any lease to any other in under a minute.

The four pieces of any lease

Whether it's a truck, a forklift, a 3D printer, or a fleet of laptops — every lease boils down to these four numbers. Lock them in and you can read any lessor's quote in the same language.

Capitalized Cost

The asset value the lease is built around — equivalent to the negotiated sale price, minus any down payment, plus capitalized fees. Lower cap cost means lower depreciation and a lower monthly payment. Negotiate the cap cost first, before any payment conversation.

Residual Value

The lessor's estimate of what the asset is worth at lease end, locked at signing. Stated in dollars or as a percent of original price. A higher residual cuts depreciation and the monthly — but you don't share in any appreciation if the asset turns out to be worth more.

Term

How long you have the asset. Auto leases run 24–48 months; equipment leases stretch 24–84 months. Longer terms drop the monthly payment but raise the lifetime finance charge and exposure to maintenance after warranty.

Money Factor / APR

The lease's interest rate, often quoted as a money factor — a small decimal like 0.0027. Multiply by 2,400 to convert to APR. The money factor is applied to (cap cost + residual), not just principal, which is why a small change in MF moves the monthly meaningfully.

Lease vs loan, side by side

The headline difference: a loan transfers ownership, a lease rents the asset's useful life. That single distinction drives every other contrast.

Lease

• Pay only for value consumed (asset − residual)
• Lower monthly than financing the same asset
• Asset returns to lessor at end of term
• Typically deductible business expense in full
• Mileage / wear caps and lease-end fees apply

Loan

• Pay full asset value plus interest
• Higher monthly but you own the asset
• Equity builds; resale or trade-in is yours
• Depreciation rules (Section 179, MACRS) drive deductibility
• No mileage caps, no return condition charges

Rule of thumb: lease when the asset will obsolesce or wear before you'd want to sell it (laptops, vehicles in a fleet, electronics); buy when the asset holds value and you'll use it past its standard depreciation curve (real estate, tools, industrial equipment with long useful lives).

Residual value, the lever you can't control but should understand

Of the four lease inputs, the residual is the only one you generally can't negotiate — it's set by the lessor based on historical resale data, asset class, and term. But it's also the variable that moves the monthly payment more than any other.

Strong (55–65%)

Premium nameplates and assets with deep secondary markets — Toyota and Honda vehicles on 36-month leases, John Deere equipment, Caterpillar machinery. Strong residuals translate into competitive monthlies even at full rate.

Mid (40–55%)

Most domestic vehicles, mid-tier commercial equipment, and most fleet leases land here. Payment math is balanced — depreciation and finance charge are similar contributors.

Low (under 40%)

Tech equipment, niche commercial vehicles, depreciation-heavy assets. Depreciation dominates the monthly. Often offset by manufacturer rebates that effectively raise the residual.

How a monthly lease payment is built

The standard auto-lease formula is the cleanest version of the math. Equipment and commercial leases use minor variants but the structure is the same.

Depreciation fee = (Adjusted cap cost − Residual) ÷ Number of months

Finance fee = (Adjusted cap cost + Residual) × Money factor

Pre-tax monthly = Depreciation + Finance

Monthly payment = Pre-tax + Sales tax + Maintenance

Example: $35,000 cap cost, $18,000 residual, 36 months, money factor 0.0027 (6.5% APR). Depreciation = (35,000 − 18,000) ÷ 36 = $472. Finance = (35,000 + 18,000) × 0.0027 = $143. Pre-tax monthly = $615. Add 7% sales tax → $658 monthly.

Common lease types

The math in this calculator applies across the board. What changes is which fees are common, who underwrites the lease, and how the residual is set.

Vehicle Lease

The most common lease structure. Manufacturer captives (Ford Credit, Toyota Financial) set residual percentages quarterly. Standard fees: acquisition (~$595), disposition (~$395). Mileage caps and excess-wear charges apply at turn-in.

Equipment Lease

Forklifts, machine tools, agricultural equipment. Often structured as a $1-buyout (capital lease) or FMV (operating lease). Section 179 and bonus depreciation interact with the deductibility — talk to your CPA before signing.

Commercial Real Estate Lease

Office, retail, and industrial space. Quoted as $/sq ft per year. Variants: gross (lessor pays everything), net (you pay taxes/insurance/maintenance separately), triple-net (you pay all three on top of base rent).

Tech / SaaS-Style Lease

Laptops, servers, network gear, medical devices. Almost always operating leases with refresh built into the term. Typical: 36 months, full replacement coverage, end-of-term swap into next-generation hardware.

Lease interest rates, decoded

Lessors hide rate the way magicians hide cards. The most common trick: quoting a money factor instead of an APR. They're the same number scaled differently — but most consumers don't do the conversion in their head.

Money factor ↔ APR: Multiply the money factor by 2,400 to get the APR. A 0.00125 money factor equals 3.0% APR. A 0.0025 money factor is 6.0% APR. A 0.00375 money factor is 9.0% APR.

Typical ranges (2026): Promotional lease rates from manufacturer captives sit between 1.5%–4.5% APR (often subsidized). Standard prime-credit leases run 5%–8%. Sub-prime and equipment leases can hit 12%+ APR.

Ask for the MF in writing. A salesperson who refuses to disclose the money factor is hiding margin. The number is on every lease worksheet — it's never a calculation they can't share.

Pros and cons of leasing

Pros

• Lower monthly payments than financing
• Cash stays free for working capital
• Newer asset every 2–5 years
• Maintenance often inside warranty
• Lease payment usually fully deductible (consult CPA)
• No resale headache at end of term

Cons

• No ownership equity at end
• Lifetime cost higher than buying
• Mileage caps and wear charges
• Early termination is expensive
• Down payment is lost if asset totaled
• Customization restrictions on the asset

Equipment and commercial lease financing

Equipment leasing finances roughly $1.16 trillion of capital expenditure in the United States each year (Equipment Leasing & Finance Association data). It's how mid-sized businesses stay current on capex without burning their credit line.

→Operating vs capital lease. Operating leases stay off the balance sheet under older GAAP rules; ASC 842 (effective 2019) brought most operating leases on-balance-sheet. Talk to your accountant about classification.
→$1 buyout. A capital lease structure where you own the asset at end for $1. Used when you intend to keep the asset; lets you depreciate it on the books like ownership.
→FMV lease. Fair market value lease — at end of term, return the asset or buy it at then-current market value. Best for tech and equipment with steep obsolescence curves.
→TRAC lease. Terminal rental adjustment clause — used for commercial vehicles. The lessee bears residual risk; the upside is a lower money factor.

Three traps that catch lessees

Negotiating the monthly instead of the cap cost

Dealers love this — they'll hit any monthly target by adjusting the down payment, the term, or the money factor. Always negotiate the asset price first, then look at the resulting payment. The cap cost is the only number that affects every component of the lease.

Ignoring the mileage cap

Most vehicle leases include 10,000–15,000 miles per year. Excess miles run $0.15–$0.30 each at turn-in. A 5,000-mile annual overrun on a 36-month lease can be a $3,000–$4,500 bill at lease end. Pre-buy miles if you know you'll exceed the cap — they're cheaper upfront than at the back end.

Rolling negative equity into a new lease

If you owe more on your trade-in than it's worth, dealers will roll the difference into the new lease's cap cost. This inflates your monthly and your finance charge for the entire new term. Pay the gap separately or postpone the lease until the trade is at-or-above value.

How to read your calculator results

→Monthly payment is the post-tax monthly outlay. If it doesn't fit cash flow, drop the term, raise the down payment, or push for a lower cap cost.
→Finance charge per month is the lessor's margin on capital. A small finance charge relative to depreciation means the lessor is competitive; a heavy one means the money factor is high.
→Implied APR (Fixed Pay mode) is the comparison number. If the lessor refuses to quote a money factor, compute the implied APR here and use it to shop other quotes.
→Total lease cost includes every monthly payment but excludes the residual. It's what you'll have spent by the time the asset is returned.
→Schedule view — yearly is best for tax planning; monthly helps confirm cash-flow timing.

Related financial planning tools

Looking at a lease for a vehicle? Pair this with our Auto Loan Calculator to see what the same asset would cost financed. For commercial financing, the Business Loan Calculator covers term loans and APR with fees. To estimate residual depreciation for an asset you might buy instead, use the Depreciation Calculator. For mortgage versus lease on real estate, see the Mortgage Calculator. The Interest Calculator (via our compound and simple interest tools — see Compound Interest and Simple Interest) lets you compare the time-value math of leasing vs investing the cash. And for general installment financing, the Loan Calculator handles any amortized loan.

Frequently Asked Questions

Lease math, residual value, fees, and the lease vs buy decision

What is a lease calculator?+

A lease calculator is a financial tool that turns a leasing offer into the three numbers you actually need to decide: the monthly payment, the total cost over the lease term, and the implied financing rate. Plug in the asset value, residual, term, and interest rate (or the quoted monthly payment) and the calculator separates depreciation from finance charges so you can compare any lessor to any other on equal footing.

How are lease payments calculated?+

A monthly lease payment has two pieces. The depreciation fee is the asset value minus the residual, divided by the number of months — it covers the value the asset loses while you have it. The finance fee is (asset value + residual) multiplied by the money factor, which equals the APR divided by 2,400. Add the two together (plus sales tax in most states) and that's your monthly payment.

What is residual value in leasing?+

Residual value is the lessor's estimate of what the asset will be worth at the end of the lease term, expressed in dollars or as a percentage of the original price. It's locked in at signing and drives the math: a higher residual means less value lost during the lease, which lowers depreciation and lowers your monthly payment. For a 36-month vehicle lease, residuals typically run 45%–60% of MSRP.

Is leasing cheaper than buying?+

Month-to-month, leasing is almost always cheaper than financing the same asset — you're only paying for the depreciation across the lease term, not the whole asset. Lifetime, buying tends to win because you own the asset and any residual equity. The right answer depends on your cash-flow profile, how long you keep assets, and whether you can write off lease payments as a business expense.

What affects lease payments?+

Five variables move the payment: the asset value (lower is better — negotiate it), the residual (higher is better — pick models with strong resale), the term (longer drops the monthly but raises lifetime cost), the money factor / APR (lower is always better), and the fee bundle (acquisition fee, sales tax, disposition fee). The mileage allowance also matters indirectly — exceeding it hits you at lease end with per-mile overage charges.

What is a fixed-rate lease?+

In a fixed-rate lease, the lessor quotes a money factor or APR and the monthly payment is derived from it. This is the standard structure for most auto, equipment, and commercial leases. Once signed, the rate doesn't change for the life of the lease, so the payment is predictable. Use the Fixed Rate tab when the lessor has given you an interest rate and you want to compute what the monthly payment will be.

What is a fixed-payment lease?+

In a fixed-pay quote the lessor just hands you a monthly payment number without breaking out the rate. To compare it to other offers, you need to back-solve the implied interest rate from the payment, asset value, residual, and term. The Fixed Pay tab does this in one step — type in the quoted payment and the calculator returns the implied APR so you can see whether the deal is competitive.

Can I pay off a lease early?+

Most leases let you terminate early, but the payoff isn't simply the remaining payments. The early-termination amount usually equals the remaining payments plus any early-termination fee minus the lessor's actual sale of the asset. In practice, breaking a lease in the first half is expensive; the last six months may be cheaper to buy out. Always ask for the specific early-buyout figure in writing before deciding.

What fees are included in a lease?+

Beyond the monthly payment, expect an acquisition fee ($400–$1,000) at signing, a refundable security deposit on some leases, sales tax on each monthly payment (or paid upfront in some states), a disposition / lease-end fee ($300–$500) when the asset goes back, and per-mile overage charges if you exceed the mileage cap. Maintenance and excess-wear charges can also apply at lease end on vehicle leases.

How do businesses benefit from leasing?+

Three big reasons businesses lease instead of buy: lease payments are usually fully deductible as a business expense (depreciation rules on owned assets are more limited), capital stays free for working capital instead of being tied up in equipment, and the business automatically rolls into newer equipment every 3–5 years. The trade-off is no ownership equity and a lifetime cost that's a bit higher than buying.

Related Calculators

Pair the lease calculator with these companion finance tools to compare against ownership, model the time value of the cash you keep liquid, and run depreciation scenarios on assets you might buy instead.