A credit score scale ranges from 300 to 850, according to NerdWallet. This range is according to an algorithm computed by Fair Isaac Corp., the most commonly used credit rating scale used by lenders in the United States.
The higher the score on this scale, the better the credit of an applicant, reports NerdWallet. Although every lender follows its own standards as to what constitutes a score that qualifies an applicant for a loan, there are some general guidelines. A score under 630 signals bad credit, between 630 and 690 fair credit, between 690 and 720 good credit, and above that excellent credit.