What Is FICO Score 8?
8 Min Read | Last updated: June 16, 2025
Learn what FICO Score 8 is, how it works, and who uses your FICO Score to make lending decisions. Get tips for positively impacting your credit score today.
At-A-Glance
- The first FICO scoring model was introduced more than 30 years ago and has been continually refined ever since.
- FICO Score versions all differ in small ways.
- Paying your bills on time and using a small portion of your available credit limit can be the key to building a solid credit score across FICO scoring models.
Much like a smartphone or computer software upgrade is designed to improve performance, the system used to calculate your FICO credit score is periodically tweaked. The first FICO credit score rolled out in 1989, and over the years, FICO has released new versions that slightly change the formula used to compute your three-digit credit score.
What Is a FICO Score?
Businesses rely on FICO credit scores most often when they want to understand whether someone is a good “risk” to pay back borrowed money. That makes getting up to speed on the most widely used version of its scoring system worthwhile. The more you know about the FICO 8 scoring model, the more control you can have in building or maintaining an excellent credit score.
What Is FICO Score 8?
FICO Score 8 is the most popular among lenders.1 When lenders check your FICO credit score, whether based on credit report data from Equifax®, Experian®, or TransUnion®, they’re likely using the FICO 8 scoring model range between 300-850.2 A FICO score of at least 700 is considered a good score.3
Businesses also use industry-specific versions of credit scores. For example, the FICO Bankcard Score 8 is used when you apply for a new Credit Card or a credit limit increase. It’s very similar to the base FICO 8 score but provides added precision when opening a credit card account.4
What Factors Go Into Your FICO 8 Score?
With FICO Score 8, the factors that can impact your score include payment history, credit usage, length of credit history, types of accounts, and recent activity.5 Here are four important ways that FICO Score 8 differs from previous versions:
- It takes a more nuanced approach to late payments.
A major factor in calculating your FICO score is your track record for making on-time payments. The FICO 8 scoring model introduced changes to how it treats late payments on a single account. While chronically late payments often negatively impact your score, this model treats one-time slipups more leniently than previous versions. - Nearing a credit limit on a single card became more important.
One of the most important factors affecting your credit score is your credit utilization ratio. This measures how much of your total available credit you’re actually using, so keeping this low can positively impact your credit score. - Small collections squabbles no longer count.
With the introduction of FICO 8, the scoring system stopped paying attention to any accounts sent to a collection agency with balances below $100.6 - Gaming the “authorized user” strategy was effectively stopped.
Authorized users might learn how to build credit more quickly and responsibly when the main account holder has a strong FICO score. Family members might add a child or relative to a card account, while some repair businesses may promote a tactic called piggybacking, where you authorize strangers on your account to help people rebuild credit with credit cards.7 With FICO 8, the data scientists learned how to spot and exclude this type of usage during score calculation.8
Applying for a Mortgage? FICO 8 Is Not the Score
Mortgage lenders may not use FICO 8 credit scores when you go to apply for a home loan. They’re typically more cautious in assessing a mortgage application for a large sum of money.9 They like to stick with earlier versions of FICO scoring algorithms, which take a more conservative approach to assessing risk.
- When a mortgage lender pulls your Experian FICO score, it is typically based on FICO Score 2.10
- Your Equifax FICO credit score for a mortgage will be based on the FICO Score 5 model.11
- TransUnion uses FICO Score 4.12
FICO Scoring Changes May Be Small Tweaks
FICO scoring models may contain more tweaks than major shifts, with new versions refining the weight of a few factors so businesses receive accurate estimations of your ability to pay back debts and keep up with credit card bills. Sometimes, changes are made because the business world gets better at understanding key differences between different types of debt. For example, medical debt has become an increasing reality for many families, given rising out-of-pocket medical expenses.
Before FICO Score 9, unpaid medical debt sent to collections may have had the same negative impact as a debt collection for nonessential spending. But spending on medical care is different from overspending on travel and entertainment. That’s why, following the introduction of the FICO Score 9, FICO credit scores started overlooking smaller amounts of unpaid medical debt sent to collection agencies.13
Frequently Asked Questions
Credit rating may often refer to the process of evaluating and issuing businesses a credit score or a snapshot of their financial health.14 A FICO Score is a numerical representation of that snapshot for both companies and individuals.
Most car lenders and dealerships are likely to look at FICO Scores before approving an auto loan, but it may not be FICO Score 8 specifically. However, you may need a FICO score of 600 or above to get a competitive rate on an auto loan.15
Lenders widely use FICO 8 and FICO 9 to make loan decisions.16 However, certain industries and financial institutions aren’t obligated to do so, so some lender scoring models may differ. Following responsible borrowing habits may benefit your credit score across models.
The Takeaway
The computer model used to calculate your FICO credit score is periodically revised. Businesses that check credit scores can use whichever model they prefer, but they don’t have to opt for the latest versions. FICO Score 8 is FICO’s most popular score, so understanding how it works may help you take steps to build strong credit.
1,2,9,10,11,12 “FICO® Scores Versions,” myFICO
13 “FICO 8 Credit Score Available at All Three National Credit Reporting Agencies,” FICO®
3 “700 Credit Score: Is it Good or Bad?,” Experian
4 “What Is a FICO Bankcard Score 8?,” Experian
5 “What Is a Good Credit Score?,” Experian
6 “How Do Collections Affect Your Credit?,” myFICO
7,8 “How Credit Card Piggybacking Works,” Forbes
14 “What is a business credit score and how does it work?,” Bankrate
15 “What’s the minimum credit score to buy a car?,” Bankrate
16 “Which Credit Score Do Mortgage Lenders Use?,” U.S. News - Money
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Carla Fried is a freelance journalist who has spent her entire career specializing in personal finance. Her work has appeared in The New York Times, Money, CNBC.com, and Consumer Reports, among many other media outlets.
All Credit Intel content is written by freelance authors and commissioned and paid for by American Express.
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