Advertiser disclosure: We may earn compensation if you connect with a provider. Read the advertiser disclosure .

Score Revival

Credit scoring explained

How credit scores work

Credit-scoring models calculate a score by applying a formula to credit-report data. The result summarizes predicted credit risk for a particular model; it is not a complete lending decision.

Advertiser disclosure: We may earn compensation if you connect with a provider. Read the advertiser disclosure .

Check my score

Your Score Revival check uses a soft inquiry and will not change the credit score you are reviewing.

Model-data reference: FTC credit-score guidance. The CFPB distinguishes soft checks from hard applications.

By Score Revival Published Last reviewed

From credit-report data to a score

A lender or service requests a score for a particular purpose. The selected model reads eligible information from a credit-bureau file, groups that information into risk characteristics, and returns a number within that model's range. The CFPB explains that scores generally come from report information supplied by lenders to credit-reporting companies.

The calculation is a snapshot. It reflects the report data available, the bureau supplying that data, the chosen model and version, and the moment the score is generated. A different input or formula can produce a different valid result.

  1. 1. Report

    A bureau file contains account and payment information reported about you.

  2. 2. Model

    A particular formula evaluates eligible data using its own design.

  3. 3. Score

    The output estimates risk for the model's intended use and range.

Five familiar credit-scoring factors

Payment history, revolving credit use, account age, new credit, and credit mix are useful categories for understanding scores. They are not a universal formula. The FTC notes that systems may include different factors or weigh them differently, and model developers publish details about their own products.

1. Payment history

Models can evaluate whether reported accounts were paid as agreed, plus the recency, frequency, and severity of late payments or other delinquencies. FICO identifies payment history as the largest category in its general published framework, while VantageScore also describes payment history as highly influential. See the model developers' explanations from FICO and VantageScore.

2. Balances and credit utilization

Revolving utilization compares reported balances with available revolving limits. Higher use can indicate more strain, but there is no single percentage that guarantees a score result. FICO says the effect of any one factor depends on the complete credit profile and that even its published category importance varies by person in its official factor guidance.

3. Length of credit history

A model may consider the age of the oldest and newest accounts, average account age, and how recently particular accounts were used. A longer file can provide more repayment history, but FICO expressly says a long history is not required for a good score in its description of credit-history length.

4. New credit

Recently opened accounts and hard inquiries can signal a search for additional credit. Their significance depends on the model and the rest of the file. The FICO framework explains how recent accounts and applications fit its new-credit category. Applying only when there is a genuine need avoids treating new accounts as a score-building tactic. For a closer look at inquiry types, read what a credit score means.

5. Credit mix

Some models consider experience with revolving accounts and installment loans. That does not mean you should open an account merely to create variety. FICO states that it is not necessary to have one of every account type in its credit-mix guidance.

FICO versus VantageScore

FICO and VantageScore are separate companies that develop credit-scoring models. Their current consumer models commonly use a 300–850 range, but they can classify, weigh, and interpret report information differently. They also offer multiple model versions. An Equifax comparison describes how their categories and treatment of certain data differ.

Published factor percentages belong to a named model family; they should not be copied onto every credit score. FICO says its general category importance can vary with an individual's profile, while VantageScore publishes its own influence order. The safest reading is model-specific, not “all scores are calculated this way.”

Model developer
FICO or VantageScore, among other scoring providers.
Model version
A newer or older formula can treat the same file differently.
Intended use
General, mortgage, auto, or card decisions may use different products.
Bureau file
The source file may be Equifax, Experian, or TransUnion.

Why a credit score moves

Scores are recalculated from the information available when requested. They can move after a furnisher reports a balance or payment, an account opens or closes, an inquiry appears, older information ages, or a report error is corrected. FICO emphasizes that report data and its evaluation evolve, so the exact effect of one change cannot be isolated without the entire file in its consumer model explanation.

Do not assume there is one universal refresh calendar: lenders, bureaus, and score providers handle separate reporting and calculation steps. The CFPB notes that scores can draw on different reporting sources. A movement does not reveal which item changed; compare the accompanying reason codes and current report with the prior version.

Common credit-score myths

“Carrying a balance helps because it shows activity.”

Paying interest is not a scoring factor. Models evaluate reported payment history and balances; neither FICO's published categories nor the FTC's factor summary identifies paying interest as a positive input. The FTC instead advises paying bills on time and paying down outstanding balances. You can use a card and pay the statement balance without intentionally carrying debt.

“Closing a credit card always improves a score.”

Closing can reduce total available revolving credit and make remaining balances a larger share of available limits. The CFPB cautions that closing accounts can hurt when balances become concentrated. Fees, fraud risk, spending control, and account terms may still make closure sensible; score impact is not the only consideration.

“Income is part of every credit score.”

FICO says its scores use credit-report information and do not use salary or employment history, although lenders can consider income separately when deciding an application. See FICO's distinction between scoring data and lender underwriting.

“Everyone has one official credit score.”

Different models, versions, purposes, bureau files, and dates create multiple scores. The question to ask is not “Which one is real?” but “Which score is this, and what is it being used for?”

Practical habits that support a credit file

No action produces a guaranteed number of points or a guaranteed result date. The FTC and CFPB consistently emphasize on-time payments, manageable balances, and restraint with new applications.

  • Pay at least the required amount by each due date; reminders or autopay can reduce mistakes.
  • Pay down revolving balances when your budget allows rather than chasing a “magic” utilization number.
  • Apply for credit because the account is useful, not merely to change the mix.
  • Review reports for inaccurate information and dispute documented errors through the proper channels.
  • Keep the model name and date when tracking a score so comparisons use like-for-like data.

See your score with the right context

Start with a soft inquiry, identify the model and bureau shown, and focus on the report factors you can verify.

Advertiser disclosure: We may earn compensation if you connect with a provider. Read the advertiser disclosure .

Check my score

Free soft inquiry; checking will not affect your credit score. Results and provider availability vary.

Inquiry-effect source: CFPB consumer guidance.

Choose the guide that matches your question

If you need the basic definition, range, and inquiry types, begin with what a credit score is. If the data behind a score appears inaccurate, move to how credit repair and report disputes work rather than trying to dispute a score calculation.

Frequently asked questions

What affects a credit score the most?

There is no universal answer for every model and credit file. FICO publishes payment history as its largest general category, and VantageScore also describes payment history as highly influential, but the effect on one person depends on the full report.

Sources: FICO: What's in my FICO Scores? VantageScore: Factors that affect your credit score

How often can a credit score change?

A score can change when a model calculates it with different or newly updated report information. There is no single update schedule shared by every lender, bureau, furnisher, and scoring service.

Source: CFPB: Understand your credit score

Does carrying a balance help a credit score?

Carrying an interest-bearing balance is not a credit-building requirement. Models can consider payment history and reported balances, but paying interest is not itself a positive scoring factor.

Sources: FICO: What's in my FICO Scores? FTC: Credit Scores

Will closing a credit card hurt my score?

It can affect a score, but the outcome is not automatic. Closing a card can reduce available revolving credit and change utilization, while the result also depends on the rest of the report and the model.

Source: FICO: What's in my FICO Scores?

Why is my lender's score different from the one I see?

The lender may use a different model, model version, bureau file, calculation date, or product-specific score. Compare the labels on both scores before assuming your credit information changed.

Sources: CFPB: Understand your credit score Equifax: FICO and VantageScore differences

Sources