Factor Rate to APR Converter

This calculator converts factor rates and any fees you've been quoted into an annual percentage rate (APR). It's important to know the actual costs, so you can weigh up the opportunity cost vs the cost of the loan.

This calculator will turn the factor rate and any fees you have been quoted in to the annual percentage rate (APR).

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IMPORTANT: These calculations are estimates only and do not represent an offer or financial advice. These calculations may make assumptions that do not apply to your business. All applications are subject to approval and the terms and conditions of the finance provider.

The different types of interest explained

We're often used to intertest rates being presented as an annual percentage rate (APR). However, some finance options like merchant cash advances or short-term loans use 'factor rates' which are expressed as a decimal figure like (e.g. 1.3 or 1.5). 

See the range of business loan interest rates.


Factor Rate

Factor rates are expressed as a decimal figure rather than a percentage. The full amount of the interest is charged to the principal when the loan or advance is originated. Note: Additional fees are not included in the factor rate calculation but are included in the APR.


Annual Percentage Rate (APR)

An annual percentage rate (APR) is the annual rate charged for borrowing. It is expressed as a percentage that represents the actual yearly cost of funds over the term of a loan and includes frequency of compounding and ALL fees and charges.


Interest Rate

Interest rate is the annualised interest rate. This is the annual rate charged, expressed as a percentage of principal, by a lender to a borrower. This rate does not include the frequency of compounding of any fees or charges. (APR does).

Before you sign the dotted line for finance for your small business, consider comparing the difference between finance products and lenders. Lenders that provide you with a SMART Box allow you to easily compare different lenders and/or products in a standardised language.

Learn more about SMART Box comparison

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How the calculator works

First, we calculate the interest payable by multiplying the loan amount by the factor rate and calculating the difference [e.g. 20,000 x 1.3 = 26,000 interest = $6,000].

Then, we divide the interest by the loan amount to get a decimal [e.g. $6,000 ÷ 20,000 = 0.3]. We want to know what the interest rate is when annualised, so we multiply this decimal by 365 [e.g. 0.3 x 365 = 109.5]. We then divide this by the term (in days) [e.g. 109.5 ÷ 180 = 0.6083] which is 60.83% – the annualised interest rate.

To calculate the annual percentage rate (APR), we use the frequency of repayments as how frequently interest on the loan compounds (daily, weekly, fortnightly or monthly) to calculate the number of payments [e.g. 130 daily repayments for a 180-day term, based on ~22 repayments per month], repayment amount [e.g. $199.73 per day] and interest per frequency [e.g. 0.42% per day] to build an amortisation schedule to calculate the effective APR [e.g. 0.42 x 22 x 12 = 110.88%].

Finally, we calculate the fees and charges payable over a year [e.g. $620]. This is then divided by the loan amount [i.e. 620 ÷ 20,000 = 0.031]. And then multiplied by 365 [e.g. 0.031 x 365 = 11.315]. And then divided by the term in days [e.g. 11.315 / 180 = 0.0629] which is 6.29%. This figure is added to the effective APR we calculated earlier [e.g. 110.88 + 6.28 = 117.16%] to give us our final effective APR.

If you’re concerned about a factor rate, there are plenty of other small business loans you can get, including: 

Business line of credit
Unsecured business loans
Invoice finance

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