Lease Payment Calculator

Enter the lease amount, interest rate, and term to calculate your monthly payment, total cost, and total interest paid over the life of the lease.

Created by Luis GonzalezLast updated: July 16, 2026

How to Use This Calculator

1
Enter the lease amount
Input the initial value of the asset or the total capitalized cost of the lease.
2
Enter the annual interest rate
Input the annual interest rate (or money factor equivalent) applied to the lease as a percentage.
3
Specify the lease term in years
Enter the total duration of the lease in years (e.g., 3 for a 36-month lease).
4
Review your results
The calculator displays Monthly Lease Payment, Total Lease Cost, and Total Interest Paid. The Insights panel shows interest impact analysis and daily cost breakdown.

Example Calculation

A small business needs to calculate the monthly payment for a $20,000 equipment lease over 3 years at 5% interest.

Lease Amount

$20,000

Interest Rate (Annual)

Lease Term

3 years

Results

Monthly Lease Payment

$599.42

Total Lease Cost

$21,579.05

Total Interest Paid

$1,579.05

Insights card shows 7.

Tips

Negotiate the Capitalized Cost

The lease amount is often negotiable. Reducing a $20,000 lease by 5% ($1,000) lowers your monthly payment by about $30 and saves roughly $80 in total interest over 3 years.

Watch the Interest Impact

In the example, the 5% rate adds $1,579.05 in interest (7.9% of the lease amount). A 1% lower rate would save approximately $300 in total interest — always shop for the best rate.

Consider Shorter vs. Longer Terms

Longer terms lower monthly payments but increase total interest. A 4-year term on this $20,000 lease would reduce the payment but add several hundred dollars more in total interest paid.

Estimating Your Monthly Lease Payment

The Lease Payment Calculator determines your monthly lease payment based on the lease amount, interest rate, and term.

For a $20,000 equipment lease at 5% over 3 years, the monthly payment is $599.42, with $1,579.05 in total interest paid over the life of the lease.

The Amortization Formula Behind Lease Payments

The calculator uses the standard amortization formula to calculate monthly payments.

r = Annual Interest Rate / 12 (Monthly Interest Rate)
n = Lease Term (Years) x 12 (Total Number of Payments)
Monthly Lease Payment = (Lease Amount x r x (1 + r)^n) / ((1 + r)^n - 1)
Total Lease Cost = Monthly Lease Payment x n
Total Interest Paid = Total Lease Cost - Lease Amount

Where:

Lease Amount is the initial value or capitalized cost of the asset.
r is the monthly interest rate.
n is the total number of payments.

💡 For businesses evaluating financing options, our Business Loan Calculator can help compare the costs of borrowing versus leasing.

Calculating a Monthly Lease Payment: A Business Example

A business is leasing equipment with:

Lease Amount: $20,000
Lease Term: 3 years
Annual Interest Rate: 5%

Step-by-step calculation:

Monthly Interest Rate (r): r = 5% / 12 = 0.004167
Total Number of Payments (n): n = 3 x 12 = 36 months
Monthly Lease Payment: ($20,000 x 0.004167 x (1.004167)^36) / ((1.004167)^36 - 1) = ($83.33 x 1.16147) / (0.16147) = $96.79 / 0.16147 = $599.42
Total Lease Cost: $599.42 x 36 = $21,579.05
Total Interest Paid: $21,579.05 - $20,000 = $1,579.05 (7.9% of lease amount)

The monthly payment is $599.42, with $1,579.05 in total interest over the 36-month term.

💡 To determine if a lease payment fits your budget, our Loan Affordability Calculator can help you assess your capacity for new financial obligations.

Factors That Influence Your Lease Payment

Several key factors determine your monthly lease cost.

Credit scores play a significant role — a FICO score of 720+ typically qualifies for rates 1-3% lower than average credit scores.

Down payments of 5-10% of the capitalized cost reduce the principal being financed, directly lowering monthly payments.

For example, a 5% down payment on a $30,000 lease reduces the amount financed by $1,500, lowering both payments and total interest.

The lease term also matters: longer terms lower monthly payments but increase total interest paid over the life of the lease.

Comparing Lease Rates Across Offers

When evaluating multiple lease offers, compare both the monthly payment and total cost.

Two leases with the same monthly payment can have very different total costs if terms differ.

Always ask for the money factor (multiply by 2,400 to convert to APR) and compare against current auto loan rates for your credit tier.

In 2026, prime auto loan rates hover around 6-8% — if your lease APR is significantly higher, consider buying with a loan instead.

Frequently Asked Questions

How is the monthly lease payment calculated?

The calculator uses the standard amortization formula: Monthly Payment = (Lease Amount x r x (1+r)^n) / ((1+r)^n - 1), where r is the monthly interest rate (annual rate / 12) and n is the total number of payments. For a $20,000 lease at 5% over 36 months: r = 0.004167, and the monthly payment is $599.42.

How does the interest rate affect my lease payment?

The interest rate directly determines the finance charge portion of your payment. In the example, a 5% rate on a $20,000 lease adds $1,579.05 in total interest over 36 months. A 1% lower rate (4%) would save approximately $300 in total interest and reduce the monthly payment by about $8.

What is the 'lease amount' in this calculator?

The lease amount is the capitalized cost — the negotiated value of the asset at the start of the lease. This is the principal amount being financed. It's not the total you'll pay over the lease term (which includes interest), but rather the starting value used to calculate depreciation and finance charges.

Can this calculator be used for both auto and equipment leases?

Yes. The amortization formula works the same way for vehicles, equipment, and other assets. The $599.42 monthly payment on a $20,000 lease at 5% over 3 years applies regardless of whether the asset is a car, truck, or piece of machinery. The only difference is that some leases incorporate a residual value, which this calculator does not include.