Finance Charge

A finance charge is the cost of consumer credit expressed as a dollar amount: the interest and other charges a borrower pays because they borrowed rather than paid cash. On a credit card it is the interest that appears on the monthly statement when a balance is carried; on a loan it is the total interest and fees paid over the life of the debt. Lenders must disclose it so that borrowers can see what credit really costs.

The term has a precise legal meaning in the United States, where the Truth in Lending Act of 1968 and its implementing rule, Regulation Z (12 CFR Part 1026), require creditors to disclose the finance charge alongside the annual percentage rate. The two are paired: the APR states the yearly cost as a rate, while the finance charge states it in money. Other jurisdictions use similar ideas under different names, such as the "total charge for credit" in UK consumer credit law.

Borrowing is a bit like renting money. The finance charge is the rent. If you buy a $1,000 television with cash, it costs $1,000. If you put it on a card and pay it off slowly, it costs $1,000 plus the rent you paid for using the bank's money in the meantime.

Some fees count too, because you only pay them when you borrow. Others, like a late fee, do not count, because they are a penalty for breaking the deal rather than the price of the deal itself.

Regulation Z defines the finance charge as any charge payable directly or indirectly by the consumer and imposed by the creditor as an incident to, or a condition of, the extension of credit, excluding charges that would also be paid in a comparable cash transaction (12 CFR 1026.4). In practice:

• Included: interest, time-price differentials, service, transaction and carrying charges (for example a cash-advance fee), loan fees and points, and credit-report or investigation fees.
• Excluded: application fees charged to every applicant whether or not credit is granted, charges for actual late payment or for exceeding a credit limit, and fees for participating in a credit plan, such as an annual card fee.
• Real-estate loans have their own carve-outs, such as bona fide appraisal and title fees.

The line matters because the finance charge feeds the APR. A fee classified as a finance charge raises the disclosed APR; an excluded fee does not, although it must still be disclosed elsewhere.

Most US card issuers use the average daily balance method. The issuer adds up the balance at the end of each day in the billing cycle and divides by the number of days, then applies a daily periodic rate. A simplified version, ignoring daily compounding, is:

• $\text{FC}$ is the finance charge for the cycle.
• $\text{ADB}$ is the average daily balance, the sum of each day's balance divided by the days in the cycle.
• $\text{APR}$ is the annual percentage rate as a decimal; $\text{APR} \div 365$ is the daily periodic rate.
• $d$ is the number of days in the billing cycle.

Worked example: in a 30-day cycle a cardholder owes $600 for the first 10 days, then makes a $600 purchase and owes $1,200 for the remaining 20 days. The average daily balance is:

At an APR of 18%, the finance charge is $1{,}000 \times 0.18 \div 365 \times 30 \approx 14.79$, or about $14.79 for the month. If the cardholder had paid the previous statement in full, the grace period would normally have applied to new purchases and the finance charge on them would be zero. Since the Credit CARD Act of 2009, issuers may not charge interest on balances from earlier cycles when a grace period is lost (the old "double-cycle billing") (12 CFR 1026.54).

On revolving credit, the finance charge appears on each credit card statement, broken down by balance type: purchases, cash advances and balance transfers often carry different rates. On closed-end credit such as an installment plan, car loan or mortgage, it appears in the federal Truth in Lending disclosure box, next to the amount financed, the total of payments and the APR. Statements must also show a minimum payment warning that estimates the total cost of paying only the minimum.

Disclosure rules do not cap the charge itself. Rate limits come from state usury laws, which national banks can often avoid by exporting the rate of their home state, and from specific federal rules such as the cap of 36% on credit to active-duty service members under the Military Lending Act. Where rules are weak, high finance charges are a hallmark of predatory lending, payday loans and some merchant cash advances.

In the UK, the Consumer Credit Act framework requires lenders to show the total charge for credit and a representative APR, and the Financial Conduct Authority caps the cost of high-cost short-term credit. In the EU, the Consumer Credit Directive requires similar disclosure.

The finance charge shows what credit costs in money but not how that cost compares across products of different sizes and terms; that is the job of the APR. It also leaves out penalty fees, so a borrower who pays late can face costs well above the disclosed figure. Because it depends on the balance each day, two cardholders with the same APR can pay very different amounts. Paying in full by the due date remains the only reliable way to avoid it on cards, and tracking it is a basic part of debt management.

• 12 CFR 1026.4 — Finance charge (Regulation Z)
• Consumer Financial Protection Bureau — Regulation Z (Truth in Lending)