Credit score a 300–850 number summarizing how reliably you repay debt, used to decide approval and pricing. Where it's taught Credit Scores: What Actually Moves the Number Try it with a calculator Credit Score Calculator Appears in 2 other lessons Co-Signing a Loan: Vouching for Someone Else's DebtHow Much House Can You Actually Afford? The 28/36 Rule Related terms Credit mixCredit utilizationHard inquiryPayment history