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How does credit utilization really work and why does it matter so much?

Financial Toolset Team4 min read

Credit utilization is the ratio of your credit card balances to credit limits, and it's the second-most important factor in your credit score (30% weighting). It's calculated both per-card and over...

How does credit utilization really work and why does it matter so much?

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Understanding Credit Utilization: Why It Matters and How to Manage It

Credit utilization is a crucial concept in personal finance that significantly impacts your credit score. Despite its importance, many people find it confusing or overlook it entirely. This article will demystify credit utilization, explain why it matters, and provide practical tips to help you manage it effectively.

What is Credit Utilization?

Credit utilization is the percentage of your available revolving credit, such as credit cards and lines of credit, that you are currently using. It is calculated by dividing your total credit card balances by your total credit limits and multiplying by 100 to get a percentage. This percentage is a vital component of your credit score, particularly in FICO scoring models, where it accounts for roughly 30% of your score.

Scoring Thresholds and Their Impact

Why Does Credit Utilization Matter?

Lenders use credit utilization as a measure of credit risk. A high utilization ratio suggests that you may be over-reliant on credit, which can signal potential financial stress. Lower utilization indicates that you are managing credit responsibly, making you a more attractive borrower.

Additionally, credit utilization is dynamic, meaning it can change from month to month based on your spending and payment habits. This makes it an area where you can quickly improve your credit score by adjusting how much of your available credit you use.

Real-World Examples

Understanding credit utilization through practical examples can clarify how it works:

  • Example 1: You have two credit cards, each with a $5,000 limit. If you owe $1,000 on one card and $2,000 on the other, your overall utilization is 30% ($3,000 owed / $10,000 total limit). Individually, Card 1 is at 20% utilization, while Card 2 is at 40%.

  • Example 2: Consider a person with a $300 limit credit card who carries a $150 balance. The utilization for this card is 50%, which is quite high. However, if they also have another card with a $5,000 limit and a $0 balance, their overall utilization drops to about 3% ($150 total balance / $5,300 total limit).

Common Mistakes and Considerations

Managing credit utilization effectively requires avoiding some common mistakes:

  • Maxing Out Cards: Even if your overall utilization is low, maxing out a single card can hurt your score. Aim to distribute balances evenly across cards.
  • Closing Accounts: Closing a credit card reduces your total available credit, potentially increasing your utilization ratio. Avoid closing accounts unless necessary.
  • Ignoring Statement Dates: Utilization is calculated based on balances reported to credit bureaus, often at the statement closing date. Paying down balances before this date can help lower reported utilization.

Pro Tips for Managing Utilization

Bottom Line

Credit utilization is a powerful factor in your credit score and one you can control relatively easily. By keeping your utilization below 30%, and ideally under 10%, you demonstrate responsible credit management to lenders. This can result in a better credit score and more favorable borrowing terms. Remember, managing your credit utilization is a proactive way to improve your overall financial health and can lead to quick improvements in your credit score.

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Credit utilization is the ratio of your credit card balances to credit limits, and it's the second-most important factor in your credit score (30% weighting). It's calculated both per-card and over...
How does credit utilization really work and ... | FinToolset