What Is Credit Utilization?
Credit utilization is the percentage of your total available revolving credit that you are currently using. It is one of the most influential factors in credit scoring models like FICO and VantageScore, typically accounting for around 30% of your score. A lower utilization ratio signals to lenders that you manage credit responsibly.
How to Use This Calculator
Enter your current outstanding balance and your total credit limit for a card (or the combined totals across all cards). The calculator instantly returns your utilization percentage, your available credit, and a summary table. Use it before applying for a loan or a new card to understand how you appear to lenders.
The Formula Explained
The calculation is simple: divide your balance by your credit limit, then multiply by 100 to express it as a percentage.
$$\text{Utilization} = \frac{\text{Balance}}{\text{Credit Limit}} \times 100\%$$For example, a $300 balance on a $1,000 limit gives \((300 / 1000) \times 100 = 30\%\). Many experts recommend keeping utilization below 30%, and below 10% is even better for maximizing your score.
Worked Example
Suppose you owe $450 on a card with a $1,500 limit.
$$\text{Utilization} = (450 / 1500) \times 100 = 30\%$$Your available credit is \(1{,}500 - 450 = \$1{,}050\). If you paid the balance down to $150, your utilization would drop to 10%, which could noticeably improve your credit score.
FAQ
What is a good credit utilization ratio? Below 30% is generally considered good; under 10% is excellent.
Should I include all my cards? Scoring models look at both per-card and overall utilization, so it helps to check each card and the combined total.
Does paying off my balance early help? Yes. Paying before the statement closing date can lower the balance reported to the bureaus, reducing your utilization.
