Imagine you’ve finally decided to buy your first home or a new car. Your credit score stands between you and that major life milestone.
This three-digit number acts like a financial grade for your life as an adult. It follows you everywhere and impacts how you spend your hard-earned money.
Many people find this financial term confusing or even a little scary. But you can take control of your future by learning exactly how a credit score works.
A strong credit score opens doors to lower interest rates and better housing options. Moreover, it gives you the freedom to choose the life you want to live.
You might still be wondering, what is a credit score, and how is it actually calculated?
Don’t worry! We’ll explain it to you in a while.
Also, we’ll discuss why your credit score matters more than you think, what a good/poor credit score is, and how Credit Sidekick can help you improve your credit score.
What is a Credit Score?
You can think of a credit score as your “financial GPA.” Just like your grades in school tell a teacher how well you know a subject, your credit score tells a bank how well you handle money.
A credit score is a three-digit number that usually ranges from 300 to 850. A higher score shows that you are a responsible borrower who pays bills on time.
Now, let’s understand credit score with a simple example.
There are two friends, Sam and Alex, who both want to buy the same $20,000 car. Sam has a high credit score because he always pays his bills on the day they are due.
The bank trusts Sam, so they give him a low interest rate. He ends up paying a small amount of extra money to borrow the funds for his car.
Alex has a low credit score because he often forgets to pay his bills. The bank sees him as a “risky bet” and charges him a much higher interest rate to protect itself.
By the time they both own their cars, Alex has paid thousands of dollars more than Sam for the exact same car.
This shows that your credit score is not just a number; it is a tool that saves you money.
Now that you understand the basic idea, let’s look at how a credit score is calculated.
How a Credit Score is Calculated?
Payment History (35%)
Lenders view your past behavior as the strongest predictor of your future actions, which is why your track record of on-time payments is the most significant factor.
Your payment history tells whether you’ve paid bills on time for credit cards, mortgages, and auto loans, while also noting the severity of any delinquencies, such as how many days a payment was late.
Credit Utilization (30%)
This factor analyzes your “amounts owed” by comparing your current credit card balances to your total available credit limits across all revolving accounts.
Maintaining a low utilization ratio, ideally under 30%, with 1-10% being optimal, signals to the credit bureaus that you are managing your debt responsibly and are not at risk of overextending your finances.
Length of Credit History (15%)
Your credit score benefits from age and experience, as the credit bureaus calculate the average age of all your credit accounts alongside the specific ages of your oldest and newest tradelines.
A longer credit history provides a larger data set for lenders to review, proving that you have maintained consistent positive financial habits over several years or even decades.
Types of Credit (10%)
Lenders prefer to see that you can successfully juggle various types of loans, such as a credit card loan and “installment” loans like a mortgage or student loan.
While you don’t need one of every loan type, having a diverse portfolio demonstrates a higher level of financial maturity and can help push a “good” credit score into the “excellent” range.
New Credit Inquiries (10%)
When you apply for a new line of credit, a “hard inquiry” is generated, which can temporarily lower your credit score by a few points as it represents a potential increase in your debt.
Opening multiple new credit accounts in a short period can be seen as a sign of financial distress, though modern scoring models do allow for “rate shopping” when you are looking for a single auto or home loan.
How Does Credit Score Matter?
Loan Approvals and Interest Rates
Your credit score is the primary tool lenders use to decide whether to approve your applications for mortgages, auto loans, or personal credit.
A high credit score grants you access to the lowest possible interest rates, which can save you tens of thousands of dollars in interest over the life of a long-term loan like a mortgage.
Housing and Rental Applications
Most landlords in the U.S. perform a credit check to determine if you are a reliable tenant who will pay rent on time and in full.
If your credit score is low, you may be denied an apartment entirely or be required to pay a much higher security deposit to offset the landlord’s risk.
Insurance Premiums
In many states in the US, auto and home insurance companies use a “credit-based insurance score” to help determine the cost of your premiums.
Statistically, individuals with higher credit scores tend to file fewer claims, so having good credit leads to significantly lower monthly insurance bills.
Employment Opportunities
For jobs that involve handling money, sensitive data, or management responsibilities, many employers will request to see a modified version of your credit report during the background check.
While they cannot see your actual three-digit score, they look for signs of financial distress or irresponsibility that might disqualify you from the position.
Utility Deposits and Service
When you set up new services for electricity, water, or a cell phone plan, the providers often check your credit to decide if they need a “good faith” deposit.
A strong credit score helps you avoid these expensive upfront deposits and get your services connected immediately without requiring a “letter of guarantee.”
What is a Good Credit Score?
For the FICO model, which is used by 90% of top U.S. lenders, a credit score between 670 and 739 is officially labeled as “Good.”
Credit scores above 740 are considered “Very Good,” while anything above 800 is “Exceptional” and typically qualifies you for the absolute lowest interest rates available.
The VantageScore model, created by the three major credit bureaus (Experian, TransUnion, and Equifax), defines a “Good” credit score slightly differently as falling between 661 and 780.
While the scale is the same as FICO, the VantageScore model is often used by free credit monitoring apps and can fluctuate more rapidly based on your recent credit behavior.
What is a Poor Credit Score?
Under the FICO model, any credit score below 580 is officially categorized as “Poor.”
Borrowers in this range often have a history of multiple late payments, accounts in collections, or major public records like bankruptcies on their reports.
The VantageScore 4.0 model is slightly more granular, defining credit scores between 500 and 600 as “Poor” and anything below 500 as “Very Poor.”
Even if you fall into the higher end of this bracket, you are still considered a “subprime” borrower by most national banks and lenders.
Frustrated with your low credit score?
Download Credit Sidekick, the AI assistant app that helps you repair your credit while teaching you the lifelong habits needed to keep your credit score strong.
Frequently Asked Questions (FAQs)
What is a normal person’s credit score?
In the United States, the average credit score currently hovers around 715 to 718, according to FICO. While “normal credit score” varies by age and region, most lenders consider a score between 670 and 739 to be “Good.”
Does income affect credit score?
No, your income is not a factor used to calculate your credit score because credit bureaus do not track your salary or hourly wage. However, lenders will still ask for your income during applications to calculate your debt-to-income (DTI) ratio, which determines your overall borrowing power.
What is the biggest killer of my credit score?
The absolute biggest killer of your credit score is your payment history, which accounts for 35% of your FICO score. A single payment that is 30 days late can cause a high credit score to plummet by 100 points or more instantly.
Who can legally check your credit score?
Under the Fair Credit Reporting Act (FCRA), anyone with a “permissible purpose” can check your report. This includes banks, credit card issuers, landlords, insurance companies, and even employers, though employers must get your written permission first.
What increases credit score most?
The most effective way to increase your credit score is a combination of consistent on-time payments and lowering your credit utilization. Specifically, keeping your balances below 30% of your total credit limits shows lenders you are a responsible borrower.
