The Short Answer
A FICO score is a three-digit number, ranging from 300 to 850, that represents your creditworthiness — how likely you are to repay borrowed money on time. It’s created by a company called the Fair Isaac Corporation (FICO), and it’s the credit score most lenders use when deciding whether to approve you for a loan or credit card and what interest rate to offer.
The higher your FICO score, the lower the risk you represent to lenders — and the better the terms you’ll typically qualify for.
Why FICO Scores Matter
FICO scores are used in a huge share of lending decisions in the United States. When you apply for a mortgage, auto loan, credit card, or personal loan, the lender almost always pulls a FICO score to evaluate your application.
Your score affects more than just approval. It directly influences the interest rate you’re offered. A borrower with an excellent FICO score might qualify for a mortgage rate a full percentage point or more below someone with a fair score — which can translate to tens of thousands of dollars over the life of the loan.
How a FICO Score Is Calculated
Your FICO score is built from the information in your credit reports, weighted across five categories:
- Payment history (35%) — whether you pay your bills on time. This is the single biggest factor. Late payments, collections, and bankruptcies hurt the most.
- Amounts owed (30%) — how much you owe relative to your available credit, known as credit utilization. Keeping balances low relative to limits helps your score.
- Length of credit history (15%) — how long your accounts have been open. A longer track record generally helps.
- Credit mix (10%) — the variety of credit you use, such as credit cards, auto loans, and mortgages. A healthy mix can slightly boost your score.
- New credit (10%) — how many new accounts and hard inquiries you’ve recently added. Opening several accounts in a short time can lower your score.
FICO Score Ranges
FICO scores fall into commonly recognized bands:
- 800–850: Exceptional — well above average; you’ll qualify for the best rates
- 740–799: Very Good — above average; favorable terms
- 670–739: Good — near or slightly above average; most lenders approve you
- 580–669: Fair — below average; you may be approved but at higher rates
- 300–579: Poor — well below average; approval is difficult and terms are costly
The national average FICO score has generally hovered in the low-to-mid 700s in recent years, placing the typical American in the “Good” to “Very Good” range.
FICO vs. VantageScore
FICO isn’t the only credit score. A competing model called VantageScore — created jointly by the three major credit bureaus (Equifax, Experian, and TransUnion) — also uses the 300–850 range. Many free credit-score apps and websites show you a VantageScore.
Both models look at similar information, but they weight factors differently, so your FICO and VantageScore may not be identical. Since most lenders use FICO, that’s typically the score that matters most for major borrowing decisions.
Why You Have More Than One FICO Score
You don’t have a single FICO score — you have several. There are different FICO versions, and FICO calculates a separate score from each of your three credit reports (one per bureau). On top of that, there are industry-specific versions, like a FICO Auto Score used by car lenders and a FICO Bankcard Score used by credit card issuers.
This is why the score you see on a free app might differ slightly from the one a lender uses. They’re all measuring the same general creditworthiness, just through slightly different lenses.
The Bottom Line
A FICO score is the most widely used measure of your credit risk, ranging from 300 to 850 and built primarily on your payment history and how much you owe. Because it drives both loan approval and the interest rate you pay, keeping your FICO score healthy — by paying on time and keeping balances low — is one of the most valuable financial habits you can build.
Frequently Asked Questions
What is a good FICO score?
A FICO score of 670 or above is generally considered good. Scores of 740 and above are very good, and 800+ is exceptional. The higher your score, the better the loan terms and interest rates you’ll typically be offered.
How can I check my FICO score for free?
Many banks and credit card issuers now provide your FICO score for free on your monthly statement or in their app. You can also get free credit reports from all three bureaus at AnnualCreditReport.com, though that shows your report rather than your FICO score itself.
How fast can I raise my FICO score?
Some changes show up quickly — paying down a high credit card balance can improve your score within a billing cycle or two. Others take time, like building a longer payment history or letting a late payment age. Consistent on-time payments and low balances are the most reliable path.
Does checking my own FICO score hurt it?
No. Checking your own score is a “soft inquiry” and has no effect on your score. Only “hard inquiries” — when a lender checks your credit because you applied for new credit — can have a small, temporary impact.
Why is my FICO score different on different sites?
You have multiple FICO scores — one per credit bureau, plus different versions and industry-specific models. Some sites also show a VantageScore instead of a FICO score. Small differences are normal and expected.
Do I need credit to have a FICO score?
Yes. To generate a FICO score, you generally need at least one account that’s been open for about six months and reported to a credit bureau. If you have no credit history, you may be “credit invisible” with no score at all — which a secured card or credit-builder loan can help fix.