Understanding Your FICO Score: The 5 Factors That Matter

Your credit score is your “Adult Report Card.” It determines if you can buy a house, what rate you pay for a car, and sometimes even if you get a job.

But the number (300 to 850) often feels random. Why does it drop 20 points when you pay off a loan? Why does it go up when you get a new card?

It’s not magic; it’s an algorithm. Specifically, the FICO algorithm. Here is the exact breakdown of the 5 factors that calculate your score.

1. Payment History (35%) – The Big One

Did you pay on time?

This is the most critical factor. A single payment that is 30 days late can tank your score by 50-100 points.

• Tip: Set up “Auto-Pay” for the minimum amount on every card to ensure you never accidentally miss a due date.

2. Amounts Owed / Utilization (30%) – The Heavy Lifter

How much of your limit are you using?

Maxing out your cards makes you look risky.

• The Rule: Keep your utilization below 30%. If you have a $1,000 limit, never have a balance higher than $300 when the statement closes.

3. Length of Credit History (15%) – The “Old Friend”

How long have you been borrowing?

Lenders like stability. They average the age of all your accounts.

• The Trap: Don’t close your oldest credit card! Even if you don’t use it, keep it open (buy a pack of gum once a year). Closing it shortens your history and hurts your score.

4. Credit Mix (10%) – The Variety Pack

What kind of debt do you have?

Lenders like to see you can handle different types of debt (Revolving credit like cards vs. Installment loans like mortgages/cars).

• Note: Don’t take out a loan just to help this factor. It’s a minor impact.

5. New Credit (10%) – The “Thirsty” Factor

Did you apply for a lot of stuff recently?

Every time you apply for credit, it counts as a “Hard Inquiry.” Too many in a short time makes you look desperate for cash.

• Tip: Inquiries stay on your report for 2 years but only hurt your score for 12 months.

Conclusion

You don’t need to pay a “credit repair guru” to fix your score. Just focus on the Big Two: Pay on time (35%) and keep balances low (30%). Do those two things, and the other 35% takes care of itself.

Disclaimer: This content is for informational purposes only. Credit scores vary by bureau (Experian, TransUnion, Equifax).