How to Build a Credit Score from Scratch at 18

1/18/2026
How to Build a Credit Score from Scratch at 18

Your Financial Journey Starts Now

Welcome to adulthood! At 18, you can vote, sign contracts, and, crucially, start building your own financial identity. One of the most important pillars of that identity is your credit score. A good credit score will make it easier and cheaper to get a car loan, rent an apartment, and eventually even buy a house. A bad score—or no score at all—can make those things much more difficult.

But how do you get a credit score when you have no credit history? This guide will show you exactly how to build a credit score from scratch, starting today.

What is a Credit Score?

A credit score is a number between 300 and 850 that represents your creditworthiness. Lenders use it to decide how likely you are to pay back a loan. The two most important factors that make up your score are:

  1. On-Time Payment History (35%): Do you pay your bills on time? This is the single most important factor.
  2. Credit Utilization (30%): How much of your available credit are you using?

Your goal as a beginner is to show lenders that you are a responsible borrower. Here's how to do it.

Method 1: Become an Authorized User

This is often the easiest first step.

Method 2: Get Your First Credit Card

Even as an authorized user, it's wise to have your own account. This shows you can manage your own debt. Since you have no credit history, you have two main options for a first credit card.

Option A: The Secured Credit Card

Option B: The Student Credit Card

The Golden Rules of Building Credit

Once you have your card, follow these two rules religiously:

  1. Use it Sparingly: Make one or two small, planned purchases each month (like a tank of gas or a Netflix subscription). You do not need to carry a balance to build credit.
  2. Pay the Bill in Full and On Time, Every Time: This is the most important rule. Set up automatic payments for the full statement balance from your checking account. A single late payment can seriously damage your new credit score.

By starting at 18, you are giving yourself the incredible gift of time. A long, positive credit history is a powerful financial tool. By following these simple steps, you'll be well on your way to building credit for beginners and achieving an excellent credit score by the time you need it most.