APR vs Interest Rate on Personal Loans: How Fees Change Your Cost
That's because personal installment loans often carry fees in addition to interest, and checking the loan disclosure is the way to identify them.
That's because personal installment loans often carry fees in addition to interest, and checking the loan disclosure is the way to identify them. Below, we walk through the federal Truth in Lending disclosure box the way you'd see it on a real loan, then run the finance-charge numbers ourselves so you can see exactly how a fee widens the gap between rate and APR.
Why APR runs higher than the interest rate
The APR calculation instead compares your interest and fees against the amount you actually borrowed and the length of the loan, then converts that into an annualized figure. That's why a fee that seems small in isolation can push the APR noticeably above the stated interest rate — the shorter the loan term, the more that fee gets amplified once it's annualized. Fees are often added to the total cost of a personal installment loan, and the way to find them is to check the lender's loan disclosure rather than assume the interest rate is the whole story.
Anatomy of the disclosure box
- **Finance Charge** — the total dollar cost of credit over the life of the loan, calculated as total of payments minus amount financed.
- **Total of Payments** — every scheduled payment added together; for equal payments, this is the monthly payment multiplied by the number of payments, though a loan with an unequal final payment (as in Loan B below) is added up payment by payment instead.
Worked example: a $2,500 loan without a fee
Start with a $2,500 amount financed repaid over 25 monthly payments of $115.87 each, the inputs used to calculate the base scenario's total of payments. Multiplying $115.87 by 25 payments gives a total of payments of $2,896.75. Subtracting the $2,500 amount financed from that total leaves a finance charge of $396.75.
- monthly payment: 115.87
- number of payments: 25
- Formula: monthly payment*number of payments
- Result: 2896.75
Base scenario: $2,500 amount financed, no added fee, 25 monthly payments of $115.87.
Now add a $50 fee
Keep the same $2,500 amount financed and 25-payment term, but now the lender adds a $50 fee, which raises the monthly payment to $117.87. Multiplying $117.87 by 25 payments gives a total of payments of $2,946.75. Subtracting the same $2,500 amount financed leaves a finance charge of $446.75 — exactly $50 more than the no-fee scenario, which is exactly what you'd expect since the fee is now folded into the finance charge.
- monthly payment: 117.87
- number of payments: 25
- Formula: monthly payment*number of payments
- Result: 2946.75
Same finance charge, different amount financed
Both loans carry the same $978.52 finance charge, but Loan A finances $5,000 while Loan B finances only $4,500.
| Loan | Amount financed | Payment schedule | Total of payments | Finance charge |
|---|---|---|---|---|
| Loan A | $5,000 | 36 payments of $166.07 | $5,978.52 | $978.52 |
| Loan B | $4,500 | 35 payments of $152.18 plus a final payment of $152.22 | $5,478.52 | $978.52 |
To see how dramatically annualizing can move a number, look outside personal loans for a moment. If a payday lender were to charge $15 per $100 borrowed once per year, that would work out to a simple interest rate of 15 percent — but if the loan had to be repaid in just two weeks, that same 15-percent finance charge equates to an APR of almost 400 percent, because the short-term cost gets projected out over a full year.
Key takeaways
- In the worked base example, finance charge equals total of payments minus amount financed.
- Adding a $50 fee to an otherwise identical $2,500 loan raised the finance charge from $396.75 to $446.75 — a direct dollar-for-dollar increase.
- Personal installment loans often carry fees beyond interest, so check the lender's loan disclosure to find them before comparing rates.
Does a lower interest rate always mean a cheaper loan?
Not necessarily. Personal installment loans often carry fees in addition to interest, so it's worth checking your loan disclosure to see the full picture rather than comparing interest rates alone.
How is the finance charge calculated?
Finance charge equals the total of payments over the life of the loan minus the amount financed.
Sources
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