To calculate your credit utilization rate, divide your credit card balance by your credit limit and multiply by 100. A $1,000 balance on a card with a $5,000 limit works out to 20% utilization. The same formula handles a single card or your whole wallet. Because this ratio drives roughly 30% of a FICO score, the math is worth getting right.1MyCreditUnion.gov. Credit Scores
The Formula and Which Numbers to Use
Balance ÷ limit × 100. That is the whole calculation.
The balance that counts is the one on your most recent billing statement, not whatever you happen to owe on a given afternoon. That statement balance is typically what your card issuer sends to the credit bureaus.2Equifax. How Often Do Credit Card Companies Report to the Credit Reporting Agencies? Your credit limit sits in the account summary of that same statement, or inside your issuer’s app or online portal.
Totaling Utilization Across All Your Cards
For your overall rate, add up the statement balances on every credit card, add up every credit limit, then divide the first number by the second.
A worked example with three cards:
- Card A: $500 balance, $2,000 limit
- Card B: $1,000 balance, $3,000 limit
- Card C: $1,500 balance, $5,000 limit
Total balance $3,000, total limit $10,000. $3,000 ÷ $10,000 = 0.30, or 30% utilization.
Cards with a zero balance still belong in the calculation. Their limits add to your total available credit and pull the ratio down. Leaving them out would overstate your utilization.
Checking Each Card on Its Own
Scoring models look at both your combined utilization and the utilization on each individual card.3Experian. Does Credit Utilization Include All Credit Cards One maxed-out card can hurt your score even when your overall ratio looks fine. If three cards share a 15% combined utilization but one of them sits at 95%, the model flags that account.
To find a single card’s rate, divide its balance by its limit. An $800 balance on a $1,000 limit is 80%, which is a problem even if your other cards are at zero. Running the math card by card shows you which account to attack first.
What Percentage to Aim For
There is no official line between “good” and “bad” utilization, but 30% is roughly where the number starts to noticeably weigh on your score. Keeping it under 10% tends to produce stronger results. People with FICO scores in the 800–850 range carry an average utilization of about 7%.4Experian. What Is a Credit Utilization Rate?
One quirk: 0% can score slightly worse than 1% or 2%. Scoring models want to see that you’re actually using credit and paying it back, and a flat zero across every card gives them nothing to read.4Experian. What Is a Credit Utilization Rate? A small recurring charge on one card, paid off each month, keeps you in the sweet spot.
Timing: Which Balance Actually Gets Reported
Most issuers report to the three national credit bureaus once a month, on or shortly after your statement closing date.2Equifax. How Often Do Credit Card Companies Report to the Credit Reporting Agencies? The closing date is when your billing cycle ends and your statement is generated. It is not the same as your payment due date, which typically falls at least 21 days later.
This matters because paying by the due date is not the same as reporting a low balance. If you wait until the due date, your full statement balance is already what the bureaus saw, even though you owe no interest. Paying down the balance a few days before the closing date is what changes the number that gets reported.
Say you normally run $3,000 a month through a card with a $5,000 limit. Reported utilization on that card would be 60%. Make a $2,500 payment before the closing date and the reported balance drops to $500, bringing utilization on that card to 10%.
Issuers are not legally required to report at all, though nearly all major ones do, and they generally refresh bureau data as soon as it’s available.2Equifax. How Often Do Credit Card Companies Report to the Credit Reporting Agencies? Closing dates vary between cards, so each account can update on a different day of the month.
Which Accounts Belong in the Calculation
Utilization applies only to revolving credit, meaning accounts where you can borrow, repay, and borrow again up to a set limit:
- Credit cards (Visa, Mastercard, and similar general-purpose cards)
- Store cards from specific retailers
- Personal lines of credit, which work like a credit card without the plastic
Installment loans do not count. Mortgages, auto loans, student loans, and personal loans with fixed payment schedules affect your credit in other ways, but you cannot re-borrow what you repay, so they sit outside the utilization formula.
HELOCs
A home equity line of credit is revolving, so you might expect it to show up in the ratio. FICO’s models are built to leave HELOCs out. VantageScore models may fold the HELOC balance and limit into utilization, so the impact depends on which scoring model a lender pulls.5Experian. How Does a HELOC Affect Your Credit Score
Charge Cards
Charge cards, which require full payment every month and carry no preset spending limit, generally stay out of utilization. Issuers typically report them as open accounts rather than revolving, and only revolving accounts feed the formula.6Experian. How Do Charge Cards Affect Your Credit Score Balances on charge cards can still affect other scoring factors, but not this one.
Authorized User and Business Cards
If someone adds you as an authorized user, that card usually shows up on your credit report, balance and limit included. Both positive and negative activity can hit your FICO score.7myFICO. How Do Authorized User Accounts Impact the FICO Score? A primary cardholder with a high balance will push your utilization up alongside theirs. Ask about the typical balance and limit before accepting.
Business cards vary by issuer. Some report to the consumer bureaus, in which case the balance and limit appear on your personal credit and affect your personal utilization. Others report only to commercial bureaus, or send only negative information like late payments to consumer bureaus.8Experian. Will Your Business Credit Card Show Up on Your Personal Credit Report If you personally guaranteed the card and the business cannot pay, missed payments reach your personal report regardless of the issuer’s usual practice.
How to Bring Your Rate Down
Utilization is a ratio, so you can move it by changing either the balance or the limit.
- Pay before the closing date. This drops the balance that gets reported, with no change to your spending habits.
- Spread spending across cards. Running everything through one card spikes that card’s individual rate even if your others are empty.
- Attack the highest-percentage card first. Taking one card from 90% to 40% does more for your score than taking another from 25% to 15%, even if the dollar amounts are similar.
- Ask for a credit limit increase. A larger limit against the same balance produces a smaller ratio. Some issuers run a hard inquiry when you ask, which can shave a few points off your score temporarily.
- Keep old cards open. An unused card still contributes its limit to your total. Close it and that limit disappears from the denominator.
When Your Rate Moves Without You
Two things can change your utilization even if you haven’t swiped a card.
Closing a card wipes its limit out of the total. Picture two cards: Card A has a $4,000 limit with an $1,800 balance, and Card B has a $6,000 limit with a $1,200 balance. Combined utilization is $3,000 ÷ $10,000, or 30%. Pay off Card B and close it, and the $1,800 on Card A now sits against just $4,000 of available credit, for 45% utilization.9TransUnion. How Closing Accounts Can Affect Credit Scores Keeping Card B open at a zero balance would have left you at 18%. Run the numbers before closing a card you no longer use.
Issuers can also lower your limit on their own, citing inactivity, changes in your credit profile, or wider economic conditions. For standard credit cards, the issuer is not required to warn you before cutting the limit itself, though federal rules require at least 45 days’ notice before charging an over-the-limit fee or applying a penalty rate tied to the lower limit.10eCFR. 12 CFR 226.9 – Subsequent Disclosure Requirements A sudden cut can spike your utilization overnight. A $2,000 balance against a $10,000 limit is 20%; if the limit drops to $4,000, the same balance is now 50%. Checking your issuer’s app and your credit report every so often catches these changes before they catch you.