Your credit score and your FICO score are not the same thing

A credit score is any number that measures how likely you are to repay borrowed money based on your credit history. A FICO score is one specific type of credit score, made by the Fair Isaac Corporation. Think of it this way: all FICO scores are credit scores, but not all credit scores are FICO scores. When a lender says "we pulled your credit score," they might mean a FICO score, or they might mean a different scoring model entirely—and you won't always know which one they used.

The confusion happens because FICO scores are the most common type lenders use, so people often say "credit score" when they mean "FICO score." But banks, credit card companies, and mortgage lenders also use other scoring models made by companies like Vantage Score, Experian, Equifax, and TransUnion. Each model weighs your payment history, debt levels, and credit age differently, so your FICO score might be 680 while your Vantage Score is 720—both are real numbers, both are credit scores, and both are calculated from the same underlying data.

Key Takeaways

  • FICO is a brand name for one specific credit scoring model; credit score is the general term for any number that rates your creditworthiness.
  • FICO scores range from 300 to 850 and are used by most mortgage lenders, auto lenders, and credit card companies.
  • Other credit scores like Vantage Score use different formulas and may give you a different number than your FICO score, even though they use the same payment history data.
  • You can see your FICO score through myfico.com or sometimes through your bank or credit card issuer; other credit scores are often free through credit monitoring websites.

How FICO scores are calculated

FICO scores break down your credit history into five categories, each weighted differently. Payment history (35 percent) is the largest piece—missed or late payments hurt you most. Amounts owed (30 percent) looks at how much of your available credit you are using; using less than 30 percent of your limit is better. Length of credit history (15 percent) rewards you for keeping accounts open longer. Credit mix (10 percent) means having different types of credit (credit cards, car loans, mortgages) is slightly better than having only one type. New credit inquiries (10 percent) means explore for multiple new accounts in a short time lowers your score a little.

FICO also produces different versions of its score for different industries. A mortgage lender might use FICO Score 5, while an auto lender uses FICO Auto Score 8, and a credit card company uses FICO Bankcard Score 8. These versions weight the same five categories differently depending on what matters most to that industry. Your mortgage FICO might be slightly different from your auto FICO, even though both are FICO products.

How other credit scores differ from FICO

Vantage Score, the second-most-common model, uses the same five categories but weights them differently: payment history (35 percent), credit utilization (30 percent), length of history (15 percent), credit mix (10 percent), and new inquiries (10 percent). The percentages look identical, but Vantage Score calculates each one using a different method. For example, Vantage Score may penalize a missed payment less severely if you have a long history of on-time payments, while FICO does not adjust for that context.

Vantage Score ranges from 300 to 850, the same as FICO, but some older versions ranged from 501 to 990. Experian, Equifax, and TransUnion each also produce their own proprietary scores using their own formulas. Because these companies own the raw credit data and calculate scores differently, you may see three different numbers when you check your score through three different sources—all of them correct, all of them based on your real payment history, but none of them identical.

Which score do lenders actually use

Most mortgage lenders use FICO scores, specifically FICO Score 5, 2, or 4 depending on which credit bureau they pull from. Auto lenders often use FICO Auto Scores. Credit card companies use various FICO Bankcard Scores. If you are shopping for a mortgage or car loan, the lender will tell you which score they use, and you can see that specific score through myfico.com for a fee (usually $20 to $30 for a single score).

Credit card companies and some banks offer free FICO scores to their customers. Chase, Capital One, Discover, and American Express all show your FICO score in your online account. If your bank or card issuer does not offer it, you can see a free credit score through Credit Karma, NerdWallet, or AnnualCreditReport.com—but those free scores are usually Vantage Scores or other non-FICO models, not the FICO score a mortgage lender would actually use.

Why you might see different numbers from different sources

Even if two sources both claim to show your FICO score, you might see slightly different numbers. This happens because the three credit bureaus (Equifax, Experian, and TransUnion) do not always have identical information about you. One bureau might have a paid-off account that another bureau has not yet updated, or one might have a late payment that the others do not. Lenders report to all three bureaus, but they do not always report at the same time or in the same way.

Additionally, FICO updates its scoring formula periodically. FICO Score 9 (released in 2014) treats paid collections differently than FICO Score 8 (released in 2009). A lender using the newer version might give you a slightly higher score for the same history. Since different lenders use different versions, you might see variation depending on who is pulling your score.

How to monitor your actual FICO score

If you need to know the FICO score a lender will see, myfico.com is the official source. You can purchase individual FICO scores or a subscription that includes all three bureau scores and monitoring. The cost is typically $20 to $30 per score, or around $30 per month for a subscription. This is the only way to see the exact FICO version a specific lender uses.

For free monitoring, check whether your bank or credit card issuer offers FICO scores in your account dashboard. If not, free credit score services like Credit Karma and NerdWallet show you a credit score (usually Vantage Score), which moves in the same direction as your FICO score but may not match the exact number. These free scores are useful for tracking trends and spotting errors, but they are not the FICO score a mortgage lender will pull.

What to do if your scores do not match

If you see a big gap between your FICO score and another credit score, the most common reason is that they use different formulas, not that one is wrong. A 50-point difference between FICO and Vantage Score is normal. A 100-point difference suggests either a formula difference or a data difference—meaning one of the three bureaus has information the others do not.

If you see a score that seems too low, pull your credit report from AnnualCreditReport.com (the official free source) and check for errors. Look for accounts you do not recognize, late payments you do not remember, or duplicate entries. If you find an error, contact the bureau in writing and ask them to investigate. Correcting errors on your report will raise all your scores—FICO and otherwise—because they are all based on the same underlying data.

Frequently Asked Questions

Is my FICO score the only score that matters?

For mortgages and auto loans, yes—most lenders use FICO. For credit cards and personal loans, lenders use various models. Your FICO score is the most important to know if you are planning to borrow money, but other scores matter too depending on the lender.

Can I improve my FICO score faster than other credit scores?

No. All credit scores are based on the same underlying data: your payment history, debt levels, and account age. If you pay a bill on time, all your scores go up. If you miss a payment, all your scores go down. The timing and severity might differ slightly by model, but the direction is always the same.

Why does my credit card company show me a different score than myfico.com?

Your credit card company may show you a FICO score from one bureau (say, Equifax), while myfico.com shows you a FICO score from a different bureau (say, Experian). The three bureaus have slightly different information about you, so the scores differ. Both are real FICO scores; they are just based on different data.

Do I need to pay for my FICO score, or can I get it free?

You can get a free FICO score through some banks and credit card issuers. If your bank does not offer it, you can buy it from myfico.com. Free credit score services show you a credit score, but usually not a FICO score—useful for monitoring, but not the exact number a mortgage lender will see.

What is a good FICO score?

FICO scores range from 300 to 850. Scores above 670 are generally considered good; above 740 is very good; above 800 is excellent. Most mortgage lenders require at least 620, though better rates go to borrowers with scores above 740. The exact requirement varies by lender and loan type.