Interest rate versus APR

The principle

An interest rate describes the charge for borrowing principal under a specified calculation method. An annual percentage rate is an annualized cost measure that may include defined finance charges. What must be disclosed and which charges count can depend on the product and jurisdiction, so do not assume every commercial quote uses the same methodology.

Put it into practice

Ask the provider for the payment schedule, net advance, included fees, and calculation assumptions. A rate on a declining balance differs from a flat charge applied to the original amount throughout the term. The term length and payment frequency also affect how quickly the business returns principal.

What people often miss

A simple financing fee divided by the advance is not automatically an APR. Variable payments, early payoff, and withheld fees can complicate comparisons. Use consistent assumptions and keep the cash amounts alongside any percentage. Where a quote uses an unfamiliar label, request its definition in writing instead of translating it by guesswork.

Start with money received and money returned

Consider two fictional one-year offers with one payment at the end. Offer A advances $50,000 and requires $55,000 at maturity. Offer B has the same stated principal and maturity payment, but withholds a $1,000 origination fee. A supplies $50,000 of usable cash; B supplies $49,000. B therefore takes $6,000 more than the cash actually received, compared with $5,000 for A. The original principal alone hides that difference.

For this deliberately simple example, the one-year cash-flow return is 10% for A and approximately 12.24% for B: $6,000 divided by $49,000. That is a mathematical comparison, not a determination of a legally compliant disclosed APR. Real contracts can include instalments, fees treated differently under a disclosure rule, compounding, or an uncertain term. Those features require the actual methodology and dates.

Source: New York DFS: commercial financing disclosure regulation

Do not annualize by changing the label

If a business receives $50,000 and pays $5,000 of financing charges over six months, 10% describes the charge relative to the advance. Calling it a 10% annual rate loses the six-month timeline. Doubling it also fails to capture early instalments, fees withheld at funding, or changing principal. Ask for a schedule you can enter into a dated cash-flow calculation instead of comparing two labels that may mean different things.

New York has specific disclosure rules for covered commercial financing, including annual percentage rates and assumptions for certain products. Coverage and exemptions matter. This does not mean every U.S. or Canadian business offer carries the same statutory disclosure. Keep the provider's required disclosure, its assumptions and the dollar repayment schedule together. When comparing quotations, identify which number is contractual and which depends on estimated sales or future benchmark rates.

• Is the rate applied to the outstanding balance or the original advance?
• Which fees are deducted before cash reaches the business?
• What dates and payment assumptions support the annualized number?
• Does earlier repayment change total charges or only their timing?

Source: Federal Reserve: online business financing disclosures

Your next-step checklist

• Rate basis and calculation method
• Fees included in the stated percentage
• Actual net proceeds and payment dates
• Consistent annualization assumptions for comparison