Buy vs. Lease Equipment Calculator

Enter your purchase price, lease terms, interest rate, and tax rate to compare the total after-tax cost of buying versus leasing equipment — with NPV analysis and a clear recommendation.

Created by Luis GonzalezLast updated: June 16, 2026

How to Use This Calculator

1
Enter Equipment and Financing Details
Input the purchase price, down payment, interest rate, and salvage value for the buy option. Then enter the monthly lease payment and lease term to define the leasing alternative.
2
Review the Cost Comparison
The calculator displays your recommended option, total after-tax buy cost, total after-tax lease cost, and detailed insights covering NPV analysis, monthly cash flow impact, and residual value assessment.

Example Calculation

A manufacturing company is deciding whether to buy or lease a $50,000 machine for a 3-year production cycle in 2026.

Purchase Price ($)

$50,000

Down Payment ($)

$5,000

Interest Rate (%)

Salvage Value ($)

$5,000

Monthly Lease Payment ($)

$1,200

Lease Term (months)

Tax Rate (%)

25%

Inflation Rate (%)

Results

Recommended Option

Lease

Total Buy Cost (After Tax)

$46,850

Total Lease Cost (After Tax)

$32,400

Insights card shows leasing saves $14,450 over 36 months with present value and residual value analysis.

Tips

Factor In Equipment Lifecycle

If the equipment depreciates rapidly or becomes obsolete within 3-5 years, leasing avoids the risk of owning a declining asset. For durable machinery with 10+ year lifespans and strong resale values, buying builds equity and typically costs less long-term.

Maximize Your Tax Shield

In 2026, Section 179 allows businesses to deduct up to $1,220,000 of qualifying equipment in the first year. This can dramatically shift the buy vs. lease equation -- a $50,000 purchase at a 25% tax rate generates $12,500 in immediate tax savings versus spreading the lease deduction over the full term.

Preserve Cash Flow for Growth

A $5,000 down payment plus $1,301 in effective monthly buy costs ties up more capital than $1,200 monthly lease payments. If your business needs working capital for expansion, leasing keeps $5,000 in reserve and reduces monthly outflow by roughly $100.

Compare the True Cost With NPV

Nominal costs can be misleading. At 3% inflation, $1,200 paid 3 years from now is worth only about $1,098 in today's dollars. The calculator's present-value analysis shows leasing costs $30,948 in real terms versus $46,163 for buying -- a $15,215 NPV advantage for leasing in this example.

How the Buy vs. Lease Equipment Calculator Works

This calculator compares the true after-tax cost of purchasing versus leasing business equipment by accounting for loan interest, depreciation tax shields, lease payment deductions, and the time value of money.

Whether you are acquiring machinery, vehicles, or IT infrastructure in 2026, the tool gives you a clear recommendation backed by NPV analysis and detailed financial insights.

The Formulas Behind the Cost Comparison

The calculator evaluates total after-tax costs for both options using straightforward formulas, then adjusts for the time value of money to provide a present-value comparison.

Total Buy Cost (After Tax) = Down Payment + Total Interest + Depreciation - Tax Shield
Total Lease Cost (After Tax) = Total Lease Payments - Tax Shield

Where:

Component	Formula
Loan Amount	Purchase Price - Down Payment
Total Interest	Loan Amount x Annual Rate x Years
Depreciation	Purchase Price - Salvage Value
Tax Shield (Buy)	Depreciation x Tax Rate
Tax Shield (Lease)	Total Lease Payments x Tax Rate
PV of Lease	PMT x [1 - (1 + r)^-n] / r

💡 For a $50,000 machine with a $5,000 down payment at 6% interest over 3 years, the total buy cost after tax is $46,850 -- broken down as $5,000 down + $8,100 interest + $45,000 depreciation - $11,250 tax shield.

Worked Example: $50,000 Machine in 2026

Consider a manufacturing firm evaluating a $50,000 machine with a 25% corporate tax rate and 3% inflation.

Buying Option: $5,000 down payment, $45,000 financed at 6% for 36 months, $5,000 salvage value.

Item	Amount
Down Payment	$5,000
Total Interest ($45,000 x 6% x 3 yr)	$8,100
Depreciation ($50,000 - $5,000)	$45,000
Tax Shield ($45,000 x 25%)	-$11,250
Total Buy Cost (After Tax)	$46,850

Leasing Option: $1,200 per month for 36 months.

Item	Amount
Total Lease Payments ($1,200 x 36)	$43,200
Tax Shield ($43,200 x 25%)	-$10,800
Total Lease Cost (After Tax)	$32,400

Leasing saves $14,450 (44.6% less) in this scenario.

In present-value terms, the advantage grows to approximately $15,215 when discounting at 3% inflation.

💡 If you are evaluating broader capital allocation strategies, our Corporate Finance Calculator can help model the impact of various investment decisions on your company's financials.

Strategic Factors Beyond the Numbers

The raw cost comparison is just the starting point.

In 2026, several strategic factors should influence your decision:

Cash flow preservation: Leasing keeps your down payment capital available for revenue-generating activities. A $5,000 down payment earning 5% in a money market account generates $250 annually that the buy option forfeits.
Technology obsolescence: For equipment with rapid innovation cycles (3D printers, diagnostic tools, servers), leasing lets you upgrade at term end without disposal hassles.
Balance sheet impact: Operating leases under ASC 842 appear on the balance sheet, but purchased equipment with debt may carry a higher debt-to-equity ratio that affects borrowing capacity.
Maintenance costs: Equipment owners typically spend 2-5% of the purchase price annually on maintenance. For a $50,000 machine, that is $1,000-$2,500 per year -- costs that lease agreements often include.

💡 To understand the potential revenue implications of delaying equipment acquisition, our Cost of Delay Calculator can quantify missed opportunities.

Frequently Asked Questions

What is the primary difference between buying and leasing equipment?

When you buy equipment, your business gains ownership, can depreciate the asset for tax purposes, and retains any residual value. Leasing is essentially a long-term rental where you make regular tax-deductible payments without owning the asset. The key financial trade-off is upfront capital and equity building (buying) versus lower initial costs and flexibility (leasing).

How does the tax rate affect the buy vs. lease decision?

A higher tax rate amplifies both tax shields. For buying, the depreciation deduction grows -- at 25% tax rate, $45,000 of depreciation saves $11,250 in taxes. For leasing, the full payment is deductible -- $43,200 in total payments saves $10,800. The relative advantage depends on which shield is larger relative to the total cost of each option.

What is a typical equipment financing rate in 2026?

Equipment loan interest rates in 2026 generally range from 5% to 12% depending on creditworthiness, equipment type, and loan term. Well-established businesses with strong credit typically secure 5-7%, while newer businesses or higher-risk profiles may see 8-12%. SBA 504 loans for qualifying equipment can offer rates as low as 4.5%.

When does leasing make more financial sense than buying?

Leasing tends to win when you need to conserve capital, the equipment depreciates quickly or becomes obsolete fast (e.g., IT hardware, medical imaging), or you only need the asset for a specific project. In the default example, leasing saves $14,450 after tax over 36 months because the total lease cost ($32,400) is significantly less than the buy cost ($46,850).

How does inflation affect the buy vs. lease comparison?

Inflation reduces the real value of future payments, which benefits leasing since payments are spread over time. At 3% annual inflation, the present value of 36 monthly lease payments of $1,200 drops from $43,200 nominal to about $41,264 in today's dollars. For buying, the upfront down payment and early interest payments are less affected by discounting.

What salvage value should I estimate for my equipment?

Research resale markets for similar used equipment at the age matching your lease term. Heavy machinery typically retains 20-40% of value after 5 years, vehicles retain 30-50% after 3 years, and IT equipment often retains only 10-20% after 3 years. A higher salvage value reduces the net depreciation cost and favors buying.