A credit score is a three digit number, typically between 300 and 850, that sums up how likely you are to repay borrowed money. Lenders use it to decide whether to approve a loan or credit card and what interest rate to charge, so a stronger score usually means cheaper borrowing.
At a Glance
- Scores generally range from 300 to 850, with 740 and above considered very good to excellent.
- Payment history and amounts owed make up 65% of a typical score calculation.
- Equifax, Experian and TransUnion are the three major credit bureaus in the United States.
- FICO remains the score most lenders check, though VantageScore offers an alternative built by the bureaus themselves.
- You can pull a free credit report annually from each bureau through AnnualCreditReport.com.
What a Credit Score Actually Measures
Think of a credit score as a report card for how you've handled debt. It draws on your credit history: which accounts you hold, how much you owe, and whether you've paid on time. FICO, the company formerly known as Fair Isaac Corp, built the model that's still the industry standard today.
Lenders lean on that number heavily. Apply for a mortgage, auto loan or credit card, and the issuer will check your score before deciding whether to say yes and what rate to offer. A higher score tends to open doors and lower borrowing costs; a lower one can mean rejection or a steeper interest rate. Landlords, utility companies and even some employers also glance at credit scores when deciding on deposits or job offers.
Where You Fall on the Scale
Every lender sets its own thresholds, but most follow a similar breakdown for scores on the common 300 to 850 scale.
| Category | Score Range |
|---|---|
| Excellent | 800 to 850 |
| Very Good | 740 to 799 |
| Good | 670 to 739 |
| Fair | 580 to 669 |
| Poor | 300 to 579 |
Cross the 700 line and most lenders view you favorably, often with access to better rates. Above 800, you're in territory that lenders consider about as low risk as it gets.
The Math Behind the Number
Three burearos, Equifax, Experian and TransUnion, gather and store the credit data that feeds into your score. They don't always hold identical information, but the formula weighing that data breaks down roughly the same way across the board.
- Payment history: 35%
- Amounts owed: 30%
- Length of credit history: 15%
- Types of credit: 10%
- New credit: 10%
Payment history tracks whether bills got paid on time and how late any missed payments were. Amounts owed looks at credit utilization, meaning how much of your available credit you're actually using. A longer credit history reads as lower risk simply because there's more data to judge you by. Having a mix of credit, such as an installment loan like a mortgage alongside revolving credit like a card, signals you can juggle different obligations. And racking up several new credit applications in a short span can make lenders nervous that you're overextended.
FICO Versus VantageScore
FICO doesn't produce one universal score. It calculates a separate score for each of the three bureaus using only that bureau's data, so technically you have three FICO scores that can differ slightly depending on calculation quirks. VantageScore, built jointly by Equifax, Experian and TransUnion, takes a different approach: it's a single score pulling from all three bureaus at once, applied consistently across them. Even so, FICO remains dominant, used by around 90% of lenders.
Steps to Push Your Score Higher
Your score shifts whenever new information lands on your credit report, so there's always room to move it in a better direction.
- Pay bills on time. It typically takes about six months of consistent, on time payments before you notice a meaningful bump.
- Ask for a higher credit limit on cards in good standing, but resist the urge to spend it, since keeping utilization low is the point. Paying down existing balances helps too.
- Avoid closing unused credit cards. Simply not using a card is usually better for your score than shutting the account down, particularly if it's an older account with a solid limit.
- Consider a credit repair company if you don't have the bandwidth to manage this yourself. These firms negotiate with creditors and bureaus on your behalf for a monthly fee.
- Check your credit report for errors. You're entitled to a free report annually from each bureau via AnnualCreditReport.com, and a monitoring service can help flag suspicious activity.

One financial planner, Kathryn Hauer, a certified financial planner and enrolled agent at Wilson David Investment Advisors in Aiken, South Carolina, cautions against simply closing unused cards, since that can drag your score down. Her suggestion: keep unused cards active but tucked away safely, confirm there's no balance and that contact details are current, turn off autopay, and set alerts so you'll know if anything unusual happens. Checking those dormant accounts every six months or so for fraud is a reasonable habit.
Answering the Common Questions
What counts as a good score depends on who's asking, since every lender sets its own bar. As a general guide, 580 to 669 is fair, 670 to 739 is good, 740 to 799 is very good, and 800 or above is excellent.
Credit scores come from three bureaus, Equifax, Experian and TransUnion, each of which calculates FICO scores somewhat differently even though they're working from similar underlying data. Their job is collecting, analyzing and distributing consumer credit information to lenders.
If you want to raise your score faster than the usual timeline allows, look into services like Experian Boost, which factor in payments you already make reliably, such as rent and utilities, that don't normally show up on a credit report.
Why This Number Still Shapes Your Financial Options
A credit score isn't just a gatekeeper for loans anymore; it touches apartment leases, phone contracts and sometimes job applications. Understanding what feeds into the calculation, and which habits actually move it, gives you a practical lever to pull rather than a mystery number to worry about.