Credit Utilization

Reviewed 11 August 2026 · Sourced from FICO, the CFPB, VantageScore and the FTC

What credit utilization actually measures

One card. A $1,000 limit. A $300 balance. Utilization on that card is 30% — 300 divided by 1,000, and that is the whole calculation. FICO calls it an account's outstanding balance divided by its credit limit; the CFPB, the credit you are using divided by the credit you have available.

What matters is where it sits. Utilization is the dominant input to amounts owed, approximately 30% of a FICO Score, and the only large scoring input you can change inside one billing cycle. Payment history is 35% and made out of your past. A balance is a number you can move on a Tuesday.

Revolving credit only. Cards and lines of credit count. Installment debt — a car loan, a student loan, a mortgage — does not. A $220 balance on a $500 card moves your ratio; a $22,000 car loan does not.

And it is measured twice, once per card and once across every revolving account combined. Both are scored. Spread $4,500 over three cards with $5,000 limits each and you sit at 30%. Pile it all onto one card and the total is still 30% — but that card is at 90%, and a maxed card is its own negative signal.

How much of your score it moves

FICO publishes the shape of its model. Scores most often fall within a 300–850 range and, FICO states, are used in 90% of U.S. lending decisions — which is why its weights are worth quoting.

Utilization gets no slice of its own. It sits inside amounts owed, alongside how much you owe overall and how many accounts carry a balance. FICO does not publish how that 30% divides — only that the ratio matters and lower is better.

VantageScore, often the model behind a free score in a bank app, says the ratio “can account for up to 30% of your credit score.” Two models, similar answer. When a free score and a lender's disagree, this is one reason.

The 30% figure, and why it is not a cliff

Stage 1 of the Financial Literacy course puts it as: below 30%, and below 10% is ideal. Both hold up, and they come from two different kinds of place.

The CFPB writes that “experts advise keeping your use of credit at no more than 30 percent of your total credit limit.” Experts advise: a convention, not a line inside a scoring model. myFICO says so directly: “the data doesn't support the implication that your credit score will dip once your utilization ratio crosses the 30% threshold.” There is no trapdoor at 30%: the relationship is a slope, and every point down is worth something.

The 10% half is FICO's own: “Generally, keeping it below 10% (and consistently paying bills on time) can help you build and maintain a good FICO Score.”

The balance that gets reported is not the one you think

You pay in full every month. You have never carried a dollar. Your report says 78%.

Nothing is broken. Issuers typically report the balance from your statement closing date, not the balance left after your due-date payment. Everything you charged during the cycle is on the card on closing day, and that is the figure that reaches the bureaus.

Between those two dates is a legally guaranteed gap. Regulation Z, 12 CFR 1026.5(b)(2)(ii) requires the statement to be delivered “at least 21 days prior to the payment due date.” Those three weeks are a federal minimum, not an issuer courtesy.

Not every issuer reports on the closing date, so check when the balance on your own report last changed. And paying early is a timing change, not a payment plan.

What a lower number does to an older one

People say utilization has no memory — that last month's 90% is gone the moment a lower figure is reported. No score model publisher states that. It is common phrasing on credit forums, not a FICO or VantageScore claim, and should not be repeated as though a source stood behind it.

What FICO does publish is that a score is a snapshot of your credit report, changing only when the information on that report changes. A report that now says 8% is what gets scored. Whether anything from an older balance carries forward is not documented either way.

The CFPB is plain on the neighboring question: “You don't need to carry a balance on credit cards to get a good score.” Its stated position is that paying your cards in full every month is the best way to improve one.

The other half of the fraction

Every conversation about utilization is about the balance. The limit is the other half, and it moves too.

Closing a card raises the ratio. The CFPB: “Closing an existing card can increase your credit utilization ratio and lower your score.” Three cards at $5,000 each with $1,500 owed is 10%. Close the two you never use and the same $1,500 becomes 30%. You spent nothing. Old accounts also feed length of credit history, another 15% of the score.

A higher limit lowers it, because raising the denominator shrinks the fraction. The advice usually arrives with an add-on: that many issuers grant an increase on a soft pull. No regulator and no score model publisher documents that — it varies by issuer, so ask yours what kind of inquiry a request triggers.

A wrong limit is worth fixing. A reported limit lower than your real one overstates your utilization. Reports are free weekly from all three nationwide bureaus at AnnualCreditReport.com — permanently, per the FTC. In its 2013 study, about 1 in 5 consumers had an error on at least one report; about 1 in 20 had one serious enough to cost them terms on a loan or insurance. Dispute one and the bureau has 30 days, extendable to 45 if you send more mid-investigation.

What the balance costs while it sits there

High utilization is a scoring problem. The balance under it is a cash problem, usually the bigger one.

The Federal Reserve's G.19 puts the rate on commercial bank card accounts assessed interest at 22.15% as of May 2026. A $4,500 balance carried at that rate runs roughly $997 a year. The CFPB measures something different and gets more — general-purpose card APRs averaging 25.2% and private label 31.3% in 2024, the highest since at least 2015. The two are not interchangeable, and neither is a quote for your card — yours is on your statement.

What trips people up

• Counting installment debt. The car loan and the student loan are not in the ratio.
• Closing old cards to tidy up. It removes that limit from your available credit and pulls an old account out of your history.
• Reading 30% as a line you must not cross. FICO says its data shows no dip there. Lower is better at every level.
• Believing 0% scores worse than 1–9%. Widely repeated, but neither FICO nor VantageScore publishes it, and the CFPB's position is that paying in full every month is best. Folklore, not a tactic.
• Paying on the due date and waiting for the score to move. The reported figure came off the statement closing balance weeks earlier.
• Paying a company to fix it. Under the Credit Repair Organizations Act, no credit repair organization may charge or receive money for a service before that service is fully performed. An advance fee is illegal on its face — and a correctly reported balance comes down by being paid, by you.

The figures on this page are checked against the source that publishes them, and dated. Published rates move after the release named above — the linked source always carries the current number. This page explains a term; it does not recommend a product.