Money guide · Credit scores and debt payoff
Credit utilization ratio: calculation and reporting
Calculate credit utilization, distinguish total and individual-card ratios, and understand why reporting dates matter.
How it works
You can calculate utilization for one card or across multiple revolving accounts. Models can consider different aspects of the information. Lower balances relative to limits generally support credit health, but there is no universal percentage that guarantees a particular score. Installment debt is not calculated the same way as revolving card utilization.
A worked example
Card A has a $900 balance and $3,000 limit; Card B has a $100 balance and $2,000 limit. Total utilization is $1,000 / $5,000 = 20%. Card A alone is at 30%, while Card B is at 5%. If Card B closes, the same $1,000 balance against $3,000 available credit gives about 33.3% total utilization.
What to compare
Use the balances actually reported when interpreting a score, not just the current amount in your banking app. Statements and reports can update on different dates. Paying by the due date matters for payment obligations; a lender may report the balance at another point in the cycle. Track both if you are preparing for a loan application.
A common mistake to avoid
Do not confuse a scoring guideline with a spending target. Keeping a balance at a certain percentage does not require paying interest, and borrowing more to use a new limit defeats the purpose of reducing debt. A lower ratio is useful only alongside payment reliability and a budget that can sustain the accounts.
Can utilization be high even if I pay in full?
Yes. A reported balance can be high before your payment is reflected. Reporting dates and the calculation date can affect what a score sees.
Sources and further reading
Connect this to inflation
Inflation changes the spending power of money over time. Read the related inflation explainer, or measure changes in buying power using your own assumptions.