How Credit Scores Work
How credit scores work, how a score is calculated
Ever wonder why you can go online and be approved for credit within 60 seconds? Or get pre-qualified for a car without anyone even asking you how much money you make? Or why you get one interest rate on loans, while your neighbor gets another?
The answer is credit scoring.
Your credit score is a number generated by a mathematical algorithm — a formula — based on information in your credit report, compared to information on tens of millions of other people. The resulting number is a highly accurate prediction of how likely you are to pay your bills.
Scoring categories
Lenders can use one of many different credit-scoring models to determine if you are creditworthy. Different models can produce different scores. However, lenders use some scoring models more than others. The FICO score is one such popular scoring method.
Its scale runs from 300 to 850. The vast majority of people will have scores between 600 and 800. A score of 720 or higher will get you the most favorable interest rates on a mortgage, according to data from Fair Isaac Corp., a California-based company that developed the first credit score as well as the FICO score.
What’s the big deal?
No matter which scoring model lenders use, it pays to have a great credit score. Your credit score affects whether you get credit or not, and how high your interest rate will be. A better score can lower your interest rate.
The difference in the interest rates offered to a person with a score of 520 and a person with a 720 score is 4.36 percentage points, according to Fair Isaac’s Web site. On a $100,000, 30-year mortgage, that difference would cost more than $110,325 extra in interest charges, according to Bankrate.com’s mortgage calculator. The difference in the monthly payment alone would be about $307.