Flat fee vs APR on a small loan: reading the real cost
Guide · Cost · Updated November 2026
A short-term loan offer usually shows two cost figures: a flat fee in dollars and an annual percentage rate. They describe the same loan from two angles. The fee tells you what leaves your account; the APR tells you how expensive that is for the time you had the money. You need both to compare one offer with another.
What the flat fee is
Many small loans are priced as a fixed charge per hundred dollars borrowed for the length of the term. Borrow a few hundred dollars for two weeks and the offer states one fee, due with the principal on the due date. The fee does not grow if you repay a day early, and on most single-payment loans it does not shrink either. It is simple, which is why lenders lead with it, and it is also why the real cost can be hard to feel.
On the due date the total repayment is principal plus fee. That total is the number to write down. It is what has to be in the account when the lender draws it, and it is what competes with rent and the card minimum in the same week.
What the APR is
The annual percentage rate takes the same fee and asks: if this cost repeated for a whole year, what yearly rate would it be? The Truth in Lending Act requires lenders to disclose it so that a two-week loan and a three-year loan can be put on one scale. For a loan that lasts fourteen days, the fee is multiplied by about twenty-six to reach a year, which is why short-term APRs run into the hundreds of percent even when the dollar fee looks modest.
The APR is not a prediction that you will pay that much. It is a speed limit sign: it tells you how fast the cost accumulates per unit of time. Two offers with the same fee but different terms will show different APRs, and the one with the lower APR is giving you the money for longer at the same price.
Read the two numbers together
| Question | Which number answers it |
|---|---|
| What leaves my account on the due date? | Principal plus the flat fee (the total repayment figure) |
| Which of two offers is cheaper for the time I have the money? | The APR, assuming the amounts are similar |
| What happens if I extend or roll the loan over? | The fee repeats, so the APR is roughly what you pay over a year of extensions |
| Can I afford this? | Neither alone: compare the total repayment with the paycheck it is due on |
A common mistake is to compare only fees. An offer with a slightly higher fee and a thirty-day term can be cheaper per week than an offer with a lower fee and a seven-day term. Another is to compare only APRs across very different amounts; a larger loan with a lower APR can still take more out of the next paycheck than a smaller one with a higher APR. Hold both numbers next to the paycheck the loan comes out of.
Other lines on the offer that change the cost
- Late fee and returned-payment fee. These are not in the APR. Ask what they are and when they trigger.
- Extension or rollover fee. Some states cap or ban it; some lenders charge the original fee again. Our rollover guide covers this.
- Prepayment. Some instalment offers charge interest daily, so paying early saves money. Single-payment loans usually do not reduce the fee for early repayment. The offer says which.
- Payment method. An automatic bank draft on the due date is usual. Check the date against your pay date, not the calendar month.
HolidayCashLoan is a connection service, not a lender. The fee, APR, dates and any other charges come from the lender's offer. If a figure you expect is missing from an offer, you can decline it and owe nothing.
Short answers
Why is the APR on a two-week loan so high when the fee is small?
Because the APR stretches a two-week cost across fifty-two weeks. The fee is paid once; the APR shows what that pace would cost over a year. Both are true at the same time.
Is a lower APR always the better offer?
For similar amounts and terms, yes. For different amounts, check the total repayment against the paycheck first. A loan you cannot repay on the due date is expensive at any APR.
Where do I find these numbers?
In the offer and the loan agreement, before you sign. Federal disclosure rules require the APR and the finance charge to be shown clearly. If they are not, do not accept the offer.