Understanding Your Credit Score

Your credit score is one of the most important numbers in your financial life. It influences whether you are approved for credit cards, car loans, and mortgages — and how much interest you pay when you borrow. The good news: a credit score is not a mystery. Once you understand what it is and where it comes from, you can take practical steps to strengthen it over time.

What is a credit score?

A credit score is a three-digit number — typically between 300 and 850 — that summarizes how you have managed borrowed money. It is calculated from the information in your credit report, a record of your credit accounts and payment history maintained by the three major credit bureaus: Equifax, Experian, and TransUnion.

Lenders use your score to estimate the risk of lending to you. A higher score generally reflects a history of on-time payments and responsible credit use. A lower score can make approvals harder and borrowing more expensive.

Score ranges at a glance

Every lender sets its own standards, but these ranges are widely used:

• 800–850: Excellent — the best rates and easiest approvals
• 740–799: Very good — strong offers and favorable terms
• 670–739: Good — solid, though not always the best rates
• 580–669: Fair — approvals are possible, but at higher rates
• 300–579: Poor — approvals are difficult and borrowing costs more

Why your score matters

• Interest rates: On a car loan or a mortgage, the difference between a good and a poor score can add up to thousands of dollars in extra interest over the life of the loan.
• Approvals: Landlords, utility companies, and some employers may review your credit.
• Deposits and premiums: A lower score can mean higher security deposits or insurance costs.

A realistic perspective

Improving a credit score is usually a gradual process measured in months, not days. No legitimate company can guarantee a specific score increase — anyone who promises one should be approached with caution. What you can control are the habits that scores are built on: paying on time, keeping balances low, and applying for credit only when you need it.

Key takeaways

• Your credit score (300–850) summarizes how you have managed borrowed money.
• It is calculated from your credit report — not from your income or bank balance.
• Higher scores generally mean easier approvals and cheaper borrowing.
• Improvement is gradual; consistent habits matter more than quick fixes.

Frequently asked questions

Does checking my own credit score lower it?

No. Checking your own credit is a soft inquiry and never affects your score.

Does my income affect my credit score?

No. Your score is based only on the information in your credit report. Income can matter to a lender's decision, but not to the score itself.

How often does my credit score change?

Scores are updated whenever new information reaches your credit report — sometimes within days of an account being reported.

Keep reading

• Five Factors That Influence Your Credit Score
• How to Read Your Credit Report