Refinance Business Loan Rates and Payment Calculator

Business loan refinance rates are the annual interest rates on a replacement loan used to pay off existing business debt; your actual rate comes from a lender’s offer, not a universal market figure. Use this calculator to estimate a new loan’s monthly payment and total interest by entering its amount, APR, and term; the example rate is only an editable assumption, not a quote.

Formula

The calculator estimates a level monthly payment on a fixed-rate loan with monthly payments. It uses:

• Monthly payment: M = P × r ÷ [1 − (1 + r)⁻ⁿ]
• Total interest: I = M × n − P

P is the refinanced principal in dollars, APR is the annual percentage rate entered as a percent, r is the monthly rate (APR ÷ 1,200), n is the number of monthly payments (years × 12), M is the estimated monthly payment in dollars, and I is the estimated interest in dollars over the full term. The output payment is calculated to the nearest cent. Total interest uses that rounded payment, so small differences from a lender’s schedule can occur.

Worked Example

Using the calculator’s default inputs—$20,000 principal, 8% APR, and five years:

1. Convert the APR to a monthly rate: 8 ÷ 1,200 = 0.0066667.
2. Convert the term to payments: 5 × 12 = 60 months.
3. Apply the payment formula: $20,000 × 0.0066667 ÷ [1 − (1.0066667)⁻⁶⁰] = $405.53 per month, rounded to cents.
4. Calculate total interest using the rounded payment: $405.53 × 60 − $20,000 = $4,331.80.

These are formula estimates for the entered assumptions. The actual payment schedule may differ if the offer includes fees in the amount financed, uses a different payment schedule, or has other charges.

Assumptions

• The interest rate is fixed for the full term.
• Payments are equal, made monthly, and begin one month after borrowing.
• Interest compounds monthly at APR divided by 12.
• The calculation excludes lender fees, taxes, insurance, collateral costs, and other charges; none is included as a calculator input.

What Determines a Business Refinance Rate?

There is no single refinance rate that applies to every business. A lender determines the terms of a particular offer using its underwriting process and information about the borrower, the business, the requested loan, and any security offered. Rates and approval criteria can vary between lenders and over time, so a number found in an old article or an online example is not a current quote.

When reviewing an offer, request its written APR, payment amount, term, amount financed, fees, and total repayment. APR is useful for expressing borrowing cost as an annual rate, but it may not capture every practical difference between offers. Check how any charges are treated and whether the amount paid to clear existing debt differs from the new loan proceeds available to the business.

How Business Loan Refinancing Works

Refinancing replaces one or more existing business debts with a new borrowing arrangement. The new lender may send payoff funds directly to existing creditors, or the borrower may receive funds and handle payoff, depending on the offer. The new balance can differ from the old loan’s original amount because the payoff figure may include remaining principal and other amounts specified by the current agreement.

Before comparing payments, establish the exact payoff amount and the new loan’s complete terms. A longer term can reduce the monthly payment while increasing the number of months interest accrues. A lower payment by itself does not show whether the new arrangement costs less overall.

• Ask existing creditors for payoff figures and the date through which they apply.
• Get the prospective lender’s APR, term, payment schedule, fees, and amount financed in writing.
• Compare total expected payments and charges, not just the monthly payment.
• Check whether the new loan changes collateral, guarantees, payment timing, or other obligations in the contract.

Compare Payments, Total Cost, and Fees

For an apples-to-apples estimate, compare the same refinanced principal and term where possible, and use the APR and fees shown in the actual offer. This calculator models a single fixed-rate balance and does not estimate the exact payoff cost of an existing loan. To assess the full difference, compare the remaining payments and charges on current debt with all payments and charges under the proposed replacement.

For example, suppose a business refinances $20,000 at the calculator’s illustrative 8% APR for five years. The estimated payment is $405.53 and the estimated interest is $4,331.80 before excluded charges. A different term or fee structure changes the comparison; the example is not evidence that any lender offers those terms or that refinancing will save money.

Some agreements may include charges for paying a current loan early, while a new loan may carry origination or other fees. The calculator has no inputs for those amounts. Ask each lender and current creditor for the applicable figures rather than assuming they are zero, and check whether fees are paid upfront or added to the amount borrowed.

Common Limitations and Mistakes

• Confusing APR with a guaranteed offer: The entered rate is an assumption. Replace it with the actual rate disclosed for the proposed loan.
• Comparing only monthly payments: A longer repayment period can lower the payment but raise total interest or total paid.
• Using the original balance: The amount required to pay off existing debt may not equal its starting principal. Use the lender’s current payoff figure when assessing an offer.
• Leaving out charges: Fees, early-payoff amounts, and other contract costs are not included in these results.
• Assuming every business loan amortizes monthly: The formula does not model variable rates, interest-only periods, balloon payments, irregular payments, or daily interest calculations.

Rounding also matters: this calculator rounds the monthly payment to cents and multiplies that rounded figure by the number of payments. A lender may calculate interest and final-payment adjustments differently. Use the lender’s amortization schedule and disclosures for exact contract figures.

Frequently Asked Questions

What is a business loan refinance rate?
It is the interest rate on a new loan used to repay existing business debt. The actual rate is set in a particular lender’s offer; this calculator’s default is only an example.

How do I estimate a business refinance payment?
Enter the new principal, APR, and term in years. The calculator converts APR to a monthly rate and estimates equal monthly payments, then estimates total interest using the rounded payment.

Does a lower monthly payment mean refinancing costs less?
No. A longer term or added fees may reduce the monthly payment while increasing total repayment. Compare the full payment schedule and charges with the remaining cost of current debt.

Does this calculator include refinancing fees?
No. It excludes lender charges, early-payoff amounts, and other fees. Obtain those figures from the relevant lender or creditor and account for them separately.

Can I use this for a variable-rate or interest-only loan?
Not accurately. The formula assumes a fixed rate and equal monthly payments that repay principal and interest over the entered term. It does not model variable rates, interest-only periods, or balloon payments.

This result is an estimate, and 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 | $ | p * (apr / 1200) / (1 - (1 + apr / 1200) ^ -(yrs * 12)) | 2
out int | Total interest | $ | pmt * yrs * 12 - p | 2