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How does a credit score work?

A credit score works as a number that predicts how likely you are to repay borrowed money. Lenders calculate it from your history of paying bills, debts, and loans — and use it to decide whether to lend to you and at what interest rate.

See it in motion.
Watch a 2-minute animated lesson that shows exactly how a credit score works.
▶ Watch the visual lesson

Step by step

  • 1It summarizes your borrowing history into a single number.
  • 2On-time payments raise it; missed payments and heavy debt lower it.
  • 3Lenders use it to judge risk and set interest rates.
  • 4A higher score means cheaper, easier access to credit.
  • 5It's built over time and can be improved with good habits.

Frequently asked questions

What affects your credit score?
Mainly your payment history, how much debt you carry, the length of your credit history, and recent applications for new credit.
Why does a credit score matter?
It decides whether lenders approve you and what interest rate you pay, affecting the cost of loans, cards, and sometimes housing or jobs.
How can you improve a credit score?
Pay bills on time, keep debt low relative to your limits, avoid opening many accounts at once, and let your history age.

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