If you use credit cards, there's a number working quietly in the background of your credit profile: your credit utilization ratio. It measures how much of your available revolving credit you're using, and it's one of the most influential factors in many credit scoring models. The good news is that it's also one of the easiest to improve.
Utilization is calculated by dividing your total credit card balances by your total credit limits. If you have $1,500 in balances across cards with $6,000 in combined limits, your overall utilization is 25 percent. Scoring models often look at both your overall ratio and the ratio on each individual card.
What counts as a healthy ratio?
A common guideline is to keep utilization below 30 percent of your available credit, and lower is generally better. People with the strongest credit profiles often use only a small share of their limits. High utilization can signal to lenders that you may be relying heavily on credit, even if you pay on time.
Timing matters too. Card issuers usually report your balance to the credit bureaus once a month, often on your statement closing date. That means even if you pay in full every month, a large balance on the statement date can make your utilization look higher than you expect.
There are several practical ways to lower your ratio. You can pay balances down, make more than one payment each month, spread purchases across cards, or ask for a credit limit increase. Each approach either reduces the balance side of the equation or increases the limit side.
Be thoughtful about closing old cards. Closing an account removes its limit from your total available credit, which can push your utilization up overnight. If an older card has no annual fee, keeping it open and using it lightly may help your ratio.
A habit worth building
Unlike some credit factors that take years to change, utilization reflects your current balances. Lowering it can have a relatively quick effect, which makes it one of the most practical habits for anyone working to strengthen their credit.
Try the credit utilization calculator on our home page to see where you stand, then book a free credit review with a Finance Credit Center specialist.