Learn How Credit Utilization Works

Credit utilization is the ratio between the revolving balances reported on your credit report and the total credit limits on those revolving accounts.

If you have a single credit card with a $5,000 limit and the issuer reports a $1,000 balance, your utilization on that card is 20%. Aggregate utilization combines all revolving accounts.

Most credit card issuers report your balance to the bureaus shortly after your statement closes. That's the number scoring models see — not the balance you carry in real time.

This is why someone who pays in full every month can still show high utilization: if a large balance is sitting on the card when the statement closes, that's what gets reported.

High reported utilization can signal additional risk to scoring models, particularly when it appears on multiple accounts or at the aggregate level.

Utilization is also one of the few credit factors that can change month to month — it isn't anchored to historical events like payment history or account age.

Your credit limit is the denominator in the utilization ratio. A limit increase, without changing your balance, may lower utilization. A closed account can remove a limit from the calculation and shift the ratio.

Because reporting cycles differ by issuer, two cards with the same balance can show very different utilization depending on when each one reports.

• Assuming "paying in full" is enough — without timing the payment relative to the statement, the reported balance can still be high.
• Closing old cards and unintentionally reducing total available credit.
• Maxing out a card before a planned application for new credit.
• Ignoring per-card utilization in favor of only the aggregate number.

Utilization is one of the levers covered inside The 700 Score System™: when to request limit increases, how to time payments relative to statement dates, and how to plan utilization before applying for new credit.

You can also walk through the math with the Credit Utilization Calculator.