Business Term Loan Payment Calculator

This business term loan calculator estimates the monthly payment and total interest for a fixed-rate loan with level monthly payments. Enter the amount borrowed, annual percentage rate (APR), and repayment term to see the estimated costs; it does not assess eligibility or lender offers.

Formula

The calculator uses the standard fixed-payment loan formula. It converts the annual APR to a monthly rate, calculates the payment needed to repay the balance over the selected number of months, rounds that payment to cents, and then subtracts the original principal from all scheduled payments to estimate interest.

• p = amount borrowed, in dollars ($).
• apr = annual percentage rate, entered as a percentage per year.
• r = monthly interest rate, calculated as apr / 1200.
• n = number of monthly payments, calculated as years × 12.
• pmt = monthly payment, in dollars ($), rounded to two decimal places.
• int = estimated total interest over the full term, in dollars ($).

In symbols, the monthly payment is pmt = round[p × r / (1 − (1 + r)⁻ⁿ), 2]. Total interest is int = pmt × n − p. Because the total uses the rounded monthly payment, it reflects the scheduled payment amount rather than an unrounded theoretical figure. A real lender may adjust the final payment to clear a small remaining balance caused by rounding.

Worked Example

Using the calculator’s default inputs: principal p = $20,000, APR 8%, and term 5 years.

1. Convert the term to payments: n = 5 × 12 = 60 months.
2. Convert APR to a monthly rate: r = 8 / 1200 = 0.0066667, or about 0.6667% per month.
3. Apply the payment formula: $20,000 × 0.0066667 / [1 − (1.0066667)⁻⁶⁰] ≈ $405.53 per month after rounding to cents.
4. Calculate scheduled payments: $405.53 × 60 = $24,331.80.
5. Subtract the principal: $24,331.80 − $20,000 = $4,331.80 estimated total interest.

These figures are a mathematical illustration using the exact defaults shown above, not a quote or an estimate of what a particular business will be offered.

Assumptions

• The interest rate remains fixed for the full term.
• Payments are equal monthly amounts, made at the end of each monthly period.
• Interest compounds monthly using the APR divided by 12.
• The calculation excludes origination charges, other fees, taxes, insurance, collateral costs, and any extra or missed payments.

What a Business Term Loan Is

A business term loan is financing advanced as a lump sum and repaid over a defined period, usually through scheduled installments. The contract sets the principal, interest calculation, payment frequency, term, and other conditions. The money may be used for a planned business expense such as equipment, renovations, or working capital, subject to the specific agreement.

“Term loan” describes a repayment structure, not one universal product. A loan may have a fixed or variable rate, monthly or other payment intervals, and different treatment of fees or early repayment. Some agreements may require collateral or a personal guarantee; those terms vary and are not represented in this calculator. Read the lender’s documents to understand the actual obligations.

How Repayment and Interest Work

With a level-payment loan, each scheduled payment generally covers interest accrued for that period and reduces principal. Early in repayment, the balance is larger, so more of a payment goes toward interest. As principal falls, the interest portion usually declines and the principal portion rises. The total payment remains level in this model because the APR and payment schedule are assumed not to change.

The APR entered here is treated as a nominal annual rate divided into 12 equal monthly periods. That convention may not match every contract’s day-count method or fee treatment. If a lender quotes a payment that differs, possible reasons include fees included in the amount financed, a different payment date or frequency, a variable rate, or a final-payment adjustment.

How to Use the Estimate

Enter the principal you expect to borrow, the APR stated in the lender’s disclosure, and the repayment term in years. The displayed payment is the modeled monthly amount; total interest estimates the financing cost over all scheduled payments under the assumptions above. Check that the APR and term use the same units and that the principal does not omit amounts financed separately.

For example, if a business borrows $20,000 at the example APR and term, the calculator shows the arithmetic for that combination. It does not decide whether the business has sufficient cash flow, whether the quoted terms are appropriate, or whether a lender will approve an application. Compare the estimate with the written repayment schedule and ask the lender to explain any differences.

Costs, Limitations, and Common Misunderstandings

Total interest is not necessarily the same as the total cost of borrowing. Origination charges and other contract costs may increase the amount paid, while fees rolled into the principal can also affect the payment. A quoted APR may reflect some costs depending on how it is calculated, but this calculator cannot determine that treatment from the APR alone. Use the lender’s disclosure for its definitions and itemized figures.

• APR is not the monthly rate. The formula converts an annual percentage to a monthly rate by dividing by 12, or 1200 when APR is entered as a whole percentage.
• A longer term changes more than the payment. For the same principal and APR, spreading repayment across more months generally lowers the scheduled payment but increases the number of periods on which interest can accrue.
• Extra payments are not included. Additional principal payments can alter the payoff path, and a contract may specify how they are handled.
• This is not a borrowing or approval decision. The calculation does not evaluate business finances, underwriting, collateral, or contract conditions.

When comparing figures, use the same loan amount, APR basis, term, payment frequency, and fee assumptions. A payment-only comparison can conceal differences in total payments or other contractual costs. The formula is most useful as a transparent estimate of fixed-rate, level-payment arithmetic—not as a complete comparison of loan offers.

Frequently Asked Questions

What is a business term loan?
A business term loan provides a lump sum that is repaid over an agreed period through scheduled payments. The contract specifies the rate, repayment schedule, fees, and other conditions.

How do I calculate a business loan payment?
Convert the APR to a periodic rate and apply the fixed-payment formula using the principal and number of payments. This calculator assumes monthly payments and APR divided by 12.

Does the monthly payment include fees?
No. The estimate includes principal and modeled interest only. Fees or other charges may be paid separately or affect the financed balance, depending on the contract.

Why is my lender’s payment different?
The lender may use different timing, payment frequency, fee treatment, rate structure, or rounding. Compare the calculator’s assumptions with the lender’s disclosure and request an explanation of the quoted schedule.

Can I use this calculator for a variable-rate loan?
It can illustrate payments as if one entered rate stayed fixed, but it does not model rate changes. A variable rate can change future payments or the amount of interest paid.

Does this calculator show whether I qualify?
No. It calculates repayment figures from the inputs and does not assess an application or predict approval. The lender provides its own terms and eligibility decision.

This result is an estimate; the lender’s disclosure gives the exact figures.

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in p | Loan amount | $ | 20000 | 1 | 100000000
in apr | Interest rate (APR) | % | 8 | 0.01 | 100
in yrs | Loan term | years | 5 | 0.0833 | 50
out pmt | Monthly payment | $ | round(p * (apr / 1200) / (1 - (1 + apr / 1200) ^ -(yrs * 12)), 2) | 2
out int | Total interest | $ | pmt * yrs * 12 - p | 2