Payday Loan APR Calculator
Payday Loan APR Calculator
What This Calculator Does and Why It Matters
Payday lenders typically advertise their fees as a flat dollar amount — for example, “$15 per $100 borrowed” — which sounds much more manageable than it really is. What they rarely tell you upfront is the actual Annual Percentage Rate (APR), which is the standardized measure of what a loan costs on a yearly basis.
This free payday loan APR calculator converts the flat fee and loan term into a true APR so you can see the real cost of borrowing. It also shows you how much the cost climbs if you roll the loan over instead of repaying it on time — a trap that catches millions of borrowers every year.
The Consumer Financial Protection Bureau has published extensive research on how payday loan rollovers work and why the APR disclosure matters. You can read their findings at CFPB.gov’s payday loan resource center. If you are dealing with broader debt, our Debt Consolidation Loan Savings Calculator may help you explore lower-cost alternatives.
How to Use This Calculator
Step-by-Step Instructions
- Enter the loan amount — the amount you plan to borrow or already owe.
- Enter the finance charge or fee — this is the total dollar fee charged by the lender, not a percentage.
- Enter the loan term in days — most payday loans are 14 days (two weeks).
- Enter the number of rollovers if you expect or have already extended the loan.
- Click Calculate APR to see the annualized rate, daily rate, monthly rate, and total cost including any rollovers.
The Formula Explained
Breaking Down the Formula
Federal law under the Truth in Lending Act (TILA) requires all lenders — including payday lenders — to disclose the APR. The formula used to calculate payday loan APR is straightforward:
APR = (Finance Charge ÷ Loan Amount) × (365 ÷ Loan Term in Days) × 100
This converts the fee-to-loan ratio into an annualized rate by scaling it over 365 days. The result is the number that allows you to fairly compare a payday loan against a credit card, personal loan, or any other credit product.
Example Calculation with Real Numbers
You borrow $300 for 14 days. The lender charges a fee of $45. Finance charge rate = $45 ÷ $300 = 15%. APR = 15% × (365 ÷ 14) = 15% × 26.07 = 391% APR. Total repayment = $345 after 14 days.
If you roll over the loan once (extend it another 14 days by paying another $45 fee), your total fees become $90 and your total repayment rises to $390 — and your effective annualized cost remains above 390% for the extended period.
When Would You Use This
Real Life Use Cases
This calculator is most useful before taking out a payday loan, so you understand what you are agreeing to. It is also valuable after the fact if you want to compare what you paid against other forms of credit. Many people are surprised to discover that even a high-interest credit card with a 24% APR is dramatically cheaper than a typical payday loan.
If you are already in a payday loan cycle and looking for a way out, also consider tools like our Installment Loan Calculator with Early Payoff, which can help you model a fixed payment plan to pay off debt more affordably.
Specific Example Scenario
A person needs $500 to cover a car repair until payday in two weeks. The payday lender charges $75 for the loan. Using this calculator, they see the APR is 391%. They compare this against a personal loan from a credit union at 18% APR, which for the same $500 would cost far less in interest. The calculator makes the comparison immediate and clear.
Tips for Getting Accurate Results
Find the Exact Fee, Not an Estimate
The finance charge field should reflect exactly what the lender charges — not a rounded number. Payday lenders are required by law to disclose the finance charge in writing before you sign. Look at the loan agreement document itself for the precise fee amount to get the most accurate APR calculation.
Account for All Possible Rollovers
Research from the Pew Research Center found that most payday loan borrowers end up rolling over or reborrowing the loan multiple times before paying it off. Running the calculator with one or two rollovers factored in gives you a more realistic picture of what the loan will actually cost you.
Compare Against Alternatives
Use the APR figure to compare against other borrowing options. A credit card cash advance at 29% APR, a personal loan at 15% APR, or even a paycheck advance from your employer will almost always be cheaper than a payday loan once the APR is calculated. The number the calculator gives you makes that comparison easy and objective.
Frequently Asked Questions
What is APR on a payday loan?
APR stands for Annual Percentage Rate. It is the cost of borrowing expressed as a yearly percentage. For payday loans, the APR is very high because the loan term is extremely short — usually 14 days — and the fee is relatively large compared to the amount borrowed.
Why are payday loan APRs so high?
Because the loan term is so short, even a small flat fee translates into a very high annualized rate. A $15 fee on a $100, 14-day loan is only 15% of the loan amount, but because there are roughly 26 two-week periods in a year, the APR becomes 390%. The math works against the borrower on short-term loans.
Are payday lenders required to disclose APR?
Yes. Under the federal Truth in Lending Act (TILA), all lenders including payday lenders are legally required to disclose the APR and finance charge before you sign any loan agreement. If a lender does not show you the APR upfront, that is a red flag.
What happens if I roll over a payday loan?
Rolling over a payday loan means you pay an additional fee to extend the loan another pay period instead of repaying the principal. Each rollover adds another fee on top of what you already owe. Many borrowers end up paying more in fees than the original loan amount if they roll over multiple times.
Is there a legal cap on payday loan APRs?
It depends on the state. Some states cap payday loan rates or ban them outright. Others allow APRs well above 300%. Rates and regulations vary significantly by state. Check your state’s consumer protection or financial regulation website for local rules.
How is a payday loan different from a personal loan?
A personal loan typically has a term of 1 to 5 years, a fixed monthly payment, and an APR between 6% and 36% depending on your credit. A payday loan is due in full in 2 to 4 weeks and typically carries an APR of 200% to 600%. Personal loans are almost always a cheaper option when available.
Can a payday loan affect my credit score?
Most payday lenders do not report to the major credit bureaus, so taking out and repaying a payday loan usually does not help or hurt your credit score directly. However, if the loan goes to collections because it is unpaid, it can appear on your credit report and lower your score significantly.
What is the average APR for payday loans in the US?
The average APR for payday loans in the United States is typically between 300% and 400%, though it can go higher depending on the state, the lender, and the loan term. Some short-term, small-amount loans with high fees can exceed 600% APR.
Conclusion
Understanding the true APR of a payday loan is the most important step you can take before agreeing to borrow. A flat fee that sounds small can translate into a shockingly high annual rate. This free payday loan APR calculator makes that conversion instant and clear.
If the APR concerns you, use the result as motivation to explore alternatives. Credit unions, employer advances, payment plans with creditors, and personal loans are almost always cheaper paths to short-term cash.